Class / Patent application number | Description | Number of patent applications / Date published |
188240120 | Including mechanism for opposed gripping of wheel rim or tire | 77 |
20080202866 | Bicycle brake - The invention relates to a bicycle brake, having a first lever that comprises an actuation arm for connecting to an inner cable of a brake cable and a braking arm for supporting a brake pad. The brake also has a second lever that comprises an actuation arm for connecting to a sheath of the brake cable and a braking arm for supporting a brake pad. The actuation arm of the first lever has two side by side branches, a distal one and a proximal one with respect to the brake cable. | 08-28-2008 |
20090078512 | LIGHT WEIGHT BICYCLE BRAKE ASSEMBLY - A light weight brake assembly for bicycles is disclosed. Some embodiments of the invention are designed to enhance assembly adjustability, for example to accommodate geometric variations that occur with various bicycle frame and wheel geometries. Some embodiments of the invention are designed to allow for a brake leverage that can be non-linear and capable of multiplying during brake actuation so that braking force increases more rapidly than brake lever force applied by the user. Some embodiments of the invention are designed to provide a brake sensitivity that is adjustable in use. Some embodiments provide for a quick-release functionality, for example by quickly increasing the gap between the two brake pads so that the wheel can be easily/quickly removed. | 03-26-2009 |
20120125721 | Light weight bicycle brake assembly - A light weight brake assembly for bicycles is disclosed. Some embodiments of the invention are designed to enhance assembly adjustability, for example to accommodate geometric variations that occur with various bicycle frame and wheel geometries. Some embodiments of the invention are designed to allow for a brake leverage that can be non-linear and capable of multiplying during brake actuation so that braking force increases more rapidly than brake lever force applied by the user. Some embodiments of the invention are designed to provide a brake sensitivity that is adjustable in use. Some embodiments provide for a quick-release functionality, for example by quickly increasing the gap between the two brake pads so that the wheel can be easily/quickly removed. | 05-24-2012 |
20120279810 | BRAKE PAD FOR A BICYCLE - A brake pad obtainable by peroxide cross-linking with a mixture comprising: a polymeric base having from 10 to 40 parts by weight of hydrogenated acrylonitrile-butadiene rubber (HNBR); from 90 to 60 parts by weight of a vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene terpolymer; and, fibres from 5 to 15 parts by weight per 100 parts by weight of polymeric base. | 11-08-2012 |
20130025979 | Low-Profile Dual-Pivot Caliper Brake - A low-profile dual-pivot caliper brake includes a first caliper arm, a second caliper arm, and an accelerator linkage. The first and second caliper arms are linked together. The accelerator linkage includes first and second link members that are two separate elements. The first and second link members are joined together and can move with respect to each other. Additionally, the first link member is pivoted mounted about a first pivotal connection. Additionally, the second link member and the second caliper arm are joined together and can move with respect to each other. Furthermore, the second caliper arm is pivotally mounted about a second pivotal connection. | 01-31-2013 |
20160251055 | BICYCLE BRAKE DEVICE AND BICYCLE RIM BRAKE DEVICE | 09-01-2016 |
188240130 | Wheel rim configured to cooperate with components | 1 |
20110233005 | BICYCLE WHEEL - The bicycle wheel of the present invention is made of composite material and has two opposite braking surfaces, each of which is coated with a fluoride polymer layer. Specifically, the braking surfaces are sand blasted to remove a releasing agent layer coated on the wheel. The wheel is, thereafter, placed in a spraying machine at about 100 degree Celsius and then the braking surfaces are spray-coated with a material selected from the group consisting of polytetrafluoro ethylene, fluoride ethylene-propylene copolymer, polyfluoroalkyl, ethylene-tetrafluoro ethylene copolymer and the mixture thereof until a thickness of the material is bigger than 0.4 cm. Thereafter, the wheel is gradually heated to make the material set and form the fluoride polymer layers. | 09-29-2011 |
188240140 | Having means to increase braking force (e.g., self-energizing brake, etc.) | 5 |
20150360745 | BICYCLE TRAILER BRAKE SYSTEM - A bicycle trailer brake includes an actuator forming a lever to actuate a brake. The actuator includes a mounting structure to couple the actuator to a bicycle or bicycle trailer and an input interface to receive an input force from a user. Upon attachment of the mounting structure to a bicycle or bicycle trailer, the input interface is positioned in a position behind and above a bicycle seat of a bicycle. | 12-17-2015 |
20160031522 | BICYCLE RIM BRAKE - A bicycle rim brake basically has a first brake arm, a second brake arm and a link. The first brake arm has a first coupling portion configured to pivot about a first pivot axis and a first mounting portion. The second brake arm has a second coupling portion configured to pivot about the first pivot axis and a second mounting portion. The second mounting portion is configured to mount a second friction member. The link is pivotally coupled to the second brake arm about a second pivot axis that is offset from the first pivot axis. The link has a coupling structure configured to be coupled with a movable member and a contact portion contacting the first brake arm. The coupling structure is spaced from the second pivot axis. The contact portion pivots the first and second brake arms about the first pivot axis as the link pivots about the second pivot axis. | 02-04-2016 |
188240150 | Variable leverage actuator | 1 |
20100236873 | BICYCLE BRAKE ASSEMBLY - Various bicycle brake assemblies are described. In some embodiments, a bicycle brake assembly comprises a multi-lever linkage assembly comprising an input link and an output link coupled with a brake pad, wherein the multi-lever linkage assembly is configured to provide a greater mechanical advantage when the brake assembly is in a second activated position in which the brake pad is contacting a wheel than when the brake assembly is in a first unactivated position. | 09-23-2010 |
188240160 | Plural brakes having common actuator | 2 |
20090014258 | SAFETY BRAKING SYSTEM - A safety braking system mounted to a bike, motorcycle or any other two-wheel linear type of vehicle adapted with a right and a left brake lever to respectively control applying a brake to a front wheel and a rear wheel of the vehicle to control a rear wheel brake to brake a rear wheel first before applying a brake to a front wheel when either brake lever is pulled on any side or simultaneously on both sides of the vehicle to prevent it from easily turning over. | 01-15-2009 |
20100300817 | BRAKE MECHANISM FOR SIMULTANEOUSLY ACTIVATING FRONT AND REAR BRAKES OF BICYCLE - A brake mechanism for simultaneously activating front and rear brakes of a bicycle includes a retaining base having an installation portion internally and mounted on a proper position of a body of the bicycle for connecting respectively brake cables from brake levers of the bicycle and brake cables from the front brake and the rear brake to insert into the installation portion. A brake unit with at least three disks is coaxially installed in the installation portion of the retaining base. Each of the three disks has a guiding portion for connecting the brake cables from the brake levers and the brake cables connecting to the front wheel and the rear wheel. The front brake and the rear brake may be simultaneously and evenly activated through the rotation of the three disks of the brake unit, thereby being capable of avoiding a fall-down of the bicycle. | 12-02-2010 |
188240180 | With means to lock brake in actuated position | 2 |
20080271962 | Method and apparatus for constraining a bicycle - A device and method adapted to keep a bicycle upright and stable while not in use that engages one or more brake levers and the brakes of the bicycle, while the bicycle is leaned against an object. A device and method which is lightweight, easy to keep with the bicycle, and which is adapted to be used with a large variety of types of bicycles. A device and method adapted to keep a bicycle upright and stable while leaned against an object while on a slope. | 11-06-2008 |
20090229928 | Method and apparatus for constraining a bicycle - A device and method adapted to keep a bicycle upright and stable while not in use that engages one or more brake levers and the brakes of the bicycle, while the bicycle is leaned against an object. A device and method which is lightweight, easy to keep with the bicycle, and which is adapted to be used with a large variety of types of bicycles. A device and method adapted to keep a bicycle upright and stable while leaned against an object while on a slope. | 09-17-2009 |
188240190 | Having means to adjust spacing between brake component and wheel rim or tire | 11 |
20090057071 | Caliper brake attachment tool for rear wheel of bicycle - There is provided a caliper brake attachment tool which comprises: a supporting rod; a fixed part provided to one end side of the supporting rod capable of fixing an existing caliper brake; an applying part provided to the other end side of the supporting rod and applicable to a seat tube of the bicycle; and an engaging recess provided between the fixed part and the applying part in the supporting rod engageable with a bridge to connect a right-and-left pair of seat stays of the bicycle. | 03-05-2009 |
20090178891 | Buffering device for brake mechanism for adjusting pressure on wheels - A brake mechanism for brake system includes a pad connector and a pad support to which the brake pad is connected, two link units are pivotaby connected between the pad connector and the pad support. A buffering device is connected to two respective first ends of the pad connector and the pad support. When the brake pad touches the spinning wheel, the brake pad together with the pad support are movable relative to the pad connector such that the wheel is not sudden stopped completely and the pressure that the brake pad applies to the wheel can also be adjusted. | 07-16-2009 |
20090229929 | CANTILEVER BRAKE DEVICE - A cantilever brake device is disclosed having a pair of opposing brake arm assemblies with cable tension or the traction point at the distal end of the body members at the bottom trunk portions rather than at the upper level by the adjustable arm members. By moving the cable tension and traction point to the bottom level of the body members, the brakes are applied more evenly and uniformly against and onto the rim surface for greater braking power and mechanical advantage. The cantilever brake device is also disclosed having a shoe housing member that is easily adjustable on a y-axis for height adjustment of the brake shoe since the brake shoe is each mounted on the shoe housing member and allows uniform adjustment of both the shoe housing members holding the brakes shoes. The shoe housing member is easily rotatable to modify the pitch angle of the brake shoes on a pivotal, horizontal axis to align the brake pads squarely against the rim surface so that the top and bottom portions of the brake pads touch the rim surface equally and uniformly when brakes are applied. Consequently, all the vertical, horizontal, roll angle, pitch angle, and toe-in adjustments are easily achievable for fine tuning the brakes by using the present cantilever brake device. | 09-17-2009 |
20100270111 | Mechanism for quickly adjusting tightness of brake cable in caliper brake of bicycle - A caliper brake of bicycle includes a yoke at one end of a second arm, the yoke comprising two yoke arms having a hole, and a spring depressible detent at one end; and a mechanism comprising a manipulation member disposed between the yoke arms and comprising a C-shaped element including outer teeth and an inner protrusion, and a handle; a brake cable retaining member; a cylinder secured to the brake cable retaining member and comprising outer recesses and an eccentric tunnel. The protrusion is engaged with one recess. The cylindrical member is fitted in the tunnel. The detent is urged against one tooth. A brake cable is held tight. In response to counterclockwise rotating the handle the tunnel moves upward and both the detent moves to another tooth and the protrusion moves to another recess so as to loosen the brake cable. | 10-28-2010 |
20110011683 | Hydraulic Caliper Brake For A Bicycle - An apparatus for a bicycle brake comprises a housing with a first piston bore and a second piston bore, a first piston disposed in the first piston bore, a first piston rod attached to the first piston and extending from the first piston toward the outside of the housing for coupling to a first brake arm, and a second piston disposed in the second piston bore. The first piston moves along a first piston axis, and the second piston moves along a second piston axis. | 01-20-2011 |
20110127119 | Ratchet mechanism for quickly adjusting tightness of brake cable in a caliper brake of bicycle - A caliper brake of a bicycle includes a first arm; a cable housing disposed at one end of the first arm; a second arm pivotably secured to the first arm and comprising a yoke at one end, the yoke including two opposite yoke arms; a brake cable retaining member for retaining a brake cable passing the cable housing; a pawl pivotably disposed between the yoke arms and secured to the brake cable retaining member, the pawl including a tooth; and a spring depressible ratchet including a hook at one end, the ratchet being pivotably disposed between the yoke arms to have the hook to engage with the tooth so that the ratchet is held against rotation to hold the brake cable tight. Counterclockwise rotating the ratchet to disengage the hook from the tooth and clockwise rotating the pawl will loosen the brake cable. | 06-02-2011 |
20140190775 | BRAKE HAVING CUSTOM KINEMATICS AND WIDE RANGE ADJUSTABILITY FOR WIDE AND NARROW RIMS - The brake disclosed herein provides a linear brake kinematic over a wide range of wheel rim sizes. The brake provides for the same brake feel and response to the rider throughout actuation of the brake lever. Also, the brake feel and response may be designed to be the same even if a different wheel rim size is mounted to the bicycle. In an aspect of the brake, this is accomplished by forming a curved configuration, namely, a cam profile on upper portions of left and right brake arms. These upper portions of the left and right brake arms extend away from the wheel so that the cam profiles formed in the upper portions of the left and right brake arms may be made as long as necessary to accommodate the wide range of rim sizes. | 07-10-2014 |
20140231186 | Mechanism for adjusting a distance between wheel rim and brake pad - A brake mechanism of a bicycle brake is provided with two brake arms each including a bifurcated main body having two opposite, longitudinal through slot members, an insert having a longitudinal through slot and disposed in the main body, and a fastening member driven through the through slot members and the through slot to adjustably fasten the insert and the main body together; and two brake pads each threadedly secured to the insert. A movement of each fastening member along the through slot members and the through slot transversely moves one brake pad, thereby adjusting a distance between a wheel rim and one adjacent brake pad. | 08-21-2014 |
20160068220 | ADJUSTABLE BRAKE - A brake apparatus including a bicycle structure, a first arm pivotably coupled to the bicycle structure, and a second arm pivotably coupled to the bicycle structure. A first lever can be pivotably coupled to the first arm. A quick release cam link can be pivotably coupled to the second arm. A second lever can be pivotably coupled to the first lever and pivotably coupled to the quick release cam link. | 03-10-2016 |
20160090148 | ADJUSTABLE SHOE MOUNTING STRUCTURE FOR BICYCLE BRAKE DEVICE - An adjustable shoe mounting structure for bicycle brake device is disclosed. Users may use the first adjusting member of the adjusting assembly to be turned relative to the second adjusting member of the adjusting assembly. That is, the first adjusting member may be pulled inwardly to turn an angle. The first adjusting member uses the elasticity of the spring to move axially and the brake shoe may be adjusted the angle by matching convex teeth with different heights of the first adjusting member and the second adjusting member. It may achieve the efficiency of adjusting brake shoe. Also, it has simple structure and is easy to operate while adjusting. | 03-31-2016 |
20160251054 | BICYCLE BRAKE DEVICE | 09-01-2016 |
188240210 | Having center-pull, cable-type actuator for mechanism | 11 |
20090194373 | BRAKE SYSTEMS FOR ROLLATORS AND ROLLATORS COMPRISING THE SAME - A brake system for a rollator may include a brake handle, a braking device operatively coupled to the brake handle, and a gear rim mechanically coupled to at least one wheel of the rollator. The brake handle may be pivotally attached to a frame of the rollator and comprises a service-brake position and a parking-brake position while the braking device may be disposed on the frame of the rollator proximate the at least one wheel. When the brake handle is in a service-brake position, a braking member of the braking device is frictionally engaged with an inner portion of a rim of the at least one wheel thereby braking the wheel. When the handle is in a parking-brake position, the braking member of the braking device is engaged with teeth of the gear rim thereby preventing the wheel from rotating. | 08-06-2009 |
20100200340 | BRAKING DEVICE FOR A RIMMED WHEEL, ESPECIALLY FOR A BIKE WHEEL - A braking device is designed to be mounted on a bicycle frame C with at least one wheel R with a rim ( | 08-12-2010 |
20110139552 | BICYCLE RIM BRAKE ASSEMBLY - A bicycle rim brake assembly includes a support bracket, first and second brake arms, a fixing member and a biasing member. The first brake arm is pivotally supported to the support bracket. The second brake arm is pivotally supported to the support bracket. The fixing member has a support bracket section and a bicycle frame attachment section. The biasing member is disposed on the fixing member. | 06-16-2011 |
20120181120 | Bicycle Brake - A bicycle brake actuated by a control cable has a first main brake arm and a second main brake arm mounted for pivotable movement with respect to the first main brake arm. A first transfer brake arm is pivotally connected to the first main brake arm, and a second transfer brake arm is pivotally connected to the first transfer brake arm and pivotally connected to the second main brake arm. The first main brake arm has a cable guide for receiving the control cable. The first transfer brake arm has a cable anchor for receiving the control cable, the control cable extending between the cable guide and the cable anchor. The first main brake arm and second main brake arm each support a brake shoe and apply braking force to a wheel when actuated. | 07-19-2012 |
20120222919 | CENTER-PULL BICYCLE BRAKE WITH SYNCHRONIZED BRAKE ARMS - A bicycle brake device includes first and second brake arms. The first brake arm includes a first brake arm mounting portion for mounting the first brake arm to a bicycle frame member, a first brake pad mounting portion, and a first control interface portion. Similarly, the second brake arm includes a second brake arm mounting portion for mounting the second brake arm to the bicycle frame member, a second brake pad mounting portion, and a second control interface portion. A biasing member is operatively coupled to the first brake arm so that the first brake pad mounting portion is biased in a selected direction. A bias communicating member is operatively coupled between the first brake arm and the second brake arm to communicate biasing force from the biasing member to the second brake arm. | 09-06-2012 |
20120222920 | CENTER-PULL BICYCLE BRAKE WITHOUT CABLE STRAIN DURING OPERATION - A first brake arm includes a first brake arm mounting portion for pivoting around a first pivot axis, a first brake pad mounting portion, and a first control interface portion with a first control element attachment location. A second brake arm includes a second brake arm mounting portion for pivoting around a second pivot axis, a second brake pad mounting portion, and a second control interface portion with a second control element attachment location. A passage is dimensioned to receive the first brake arm through the second brake arm when the first brake arm and the second brake arm are mounted to a bicycle frame member. The first brake arm intersects the second brake arm so that the first control element attachment location and the second control element attachment location are located on opposite sides of the intersection. | 09-06-2012 |
20120222921 | BICYCLE BRAKE WITH SYNCHRONIZED BRAKE ARMS - A bicycle brake apparatus includes first and second brake arms. The first brake arm includes a first brake arm mounting portion for mounting the first brake arm to a bicycle frame member, a first brake pad mounting portion, and a first control interface portion. The second brake arm includes a second brake arm mounting portion for mounting the second brake arm to the bicycle frame member and a second brake pad mounting portion. A synchronizing link communicates a synchronizing force that arises from one of the first brake arm or the second brake arm to the other one of the first brake arm or the second brake arm so that the first brake arm and the second brake arm move in synchronization. | 09-06-2012 |
20120241261 | SEMI-HYDRAULIC BAKE FOR BICYCLE - A semi-hydraulic brake has at least one braking cable and one connection rod; at least one pushing rod, at least one piston, at least one elastic element and at least one tube; and a set of main pistons, a set of brake pads and a disc. When the braking handlebar pulls the braking cable, the connection rod is driven to move toward the braking cable; the pushing rod is driven by the connection rod and meanwhile to push the piston and come to compress the elastic element. The braking liquid inside the hydraulic cylinder is pushed toward respective main pistons of the braking unit through the tube so that the respective main pistons move toward the disc. The respective brake pads simultaneously move toward the disc. Thereby, the braking effect over a front wheel and a rear wheel can be achieved by using a single hydraulic cylinder. | 09-27-2012 |
20130199877 | Cantilever brake with quick release mechanism - A cantilever brake of bicycle is provided with a triangular cable stop including first, second and third corner attachments and a wheel between the first and second corner attachments; a first pivot member including a first trough; a first cable passing through the first corner attachment, the wheel, and the second corner attachment to be fastened at the first pivot; a second pivot member including a second trough; a second cable having one end fastened in the third corner attachment and the other end fastened in the second pivot member; a first brake arm releasably pivotably secured to the first trough and including two opposite first projections and a spring actuated first adjustment knob distal the first projections; and a second brake arm releasably pivotably secured to the second trough and including two opposite second projections and a spring actuated second adjustment knob distal the second projections. | 08-08-2013 |
20140262631 | BRAKE ASSEMBLY FOR BICYCLES - A brake assembly includes a base having two first connection parts and each first connection part has a first hole and a second hole. Two second connection parts extend from the underside of the base. Two arms are pivotably connected to the two second connection parts. A driving member has a driving part and a positioning portion. The driving part has two curved driving face formed on two ends thereof. The driving member is connected to the first hole by a rod, and a brake cable is connected to the positioning portion. The action members are respectively located in the two second holes. When the driving member is pivoted by the brake cable, the driving member pushes the action members to pivot the arms to brake the wheel. The driving member allows the force to be sent to the brake pads directly and quickly, and the brake assembly is light and compact. | 09-18-2014 |
20140291078 | BRAKE ASSEMBLY FOR A BICYCLE - A novel brake assembly is provided for a bicycle. The assembly is comprised of an arrangement of a pair of pulleys attached to braking arms with affixed brake pads leveraged against the bicycle rim. The braking power is accentuated by employing the two pulleys on the braking arms. A return spring causes the arms to return to non-braking position in response to the release of the braking cable. | 10-02-2014 |
188240220 | Specific actuator element structure | 41 |
20080257658 | Method and Apparatus for Adjusting a Lever Actuated Hydraulic Disc Brake Master Cylinder - A method of adjusting a lever actuated bicycle hydraulic disc brake master cylinder. The disc brake master cylinder has a housing defining a cylinder having first and second ends and a port communicating with a fluid reservoir between the first and second ends. A piston is received in the cylinder and the piston has a seal having a leading seal edge between the piston and the cylinder. The lever is operatively associated with the piston to move the piston from an unactuated position with the leading seal edge a select distance between the port and the first end of the cylinder to an actuated position between the port and the second end of the cylinder. The method of adjusting the lever actuated bicycle hydraulic disc brake master cylinder comprises varying the select distance between the port and leading edge of the seal with the piston in the unactuated position and providing a stop preventing the leading edge of the seal from moving between the port and the second end of the seal as a result of varying the select distance between the port and the leading edge of the seal with the piston in the unactuated position. | 10-23-2008 |
20090000878 | Method of Varying a Rest Position and a Length of an Actuation Arc of a Lever in a Hydraulic Disc Brake System - A method of varying a rest position and a length of an actuation arc of a lever in a hydraulic disc brake system. The hydraulic disc brake system comprises a master cylinder including a cylinder having a first end and second end and a port communicating with a hydraulic fluid reservoir between the first and the second cylinder ends. A piston is received in the cylinder. The piston has a seal between the cylinder and the piston and the piston is movable within the cylinder by a lever operatively associated therewith to selectively pressurize hydraulic fluid within the cylinder by moving the seal between the port and the second end of the cylinder. The hydraulic disc brake system further comprises a caliper in fluid communication with the master cylinder. The caliper has a pair of brake pads operatively associated with a disc received therebetween. The caliper is actuated by movement of the lever in an actuation arc between a rest position and an engagement point with the pads in engagement with the disc. The length of the actuation arc is variable by movement of the engagement point relative to the rest position along the actuation arc. The method comprises varying a rest position of the lever while simultaneously substantially maintaining the length of the actuation arc as the rest position of the lever is varied and varying the length of the actuation arc while simultaneously substantially maintaining the rest position of the lever and limiting any movement of the piston seal to between the port and the first end of the cylinder as the length of the actuation arc is varied. | 01-01-2009 |
20090038893 | Bicycle brake device - A bicycle brake device includes a holder arm having a pivot shaft for attaching to a rear fork, two brake caliper having middle portions pivotally attached to the end portions of the holder arm, and having brake shoes attached to the lower portions, and a brake cable for selectively forcing the lower portions of the brake calipers and the brake shoes toward each other, the brake calipers may be balanced for effectively forcing the brake shoes to solidly clamp the wheel rim, and a spring biasing device may bias the brake shoes away from each other when the brake cable is released. A coupling device may couple the middle portions of the brake calipers together. | 02-12-2009 |
20090038894 | Cam activated bicycle wheel brake - A wheel brake for a bicycle or other vehicle has a pair of pivoting arms. Each arm is configured to support a brake pad. A first arm pivotally supports a cam. A second arm defines a cam surface and a cable guide. The cam has a first end for mounting of a cable and a second end having a roller which rests on the cam surface. When the cable is actuated, the cable pulls the first end of the cam, causing the cam to pivot and causing the second end of the cam to roll along the cam surface. Force applied by the cam compresses the arms, causing associated brake pads to move inwardly into engagement with the wheel. The brake is compact and efficient in design. | 02-12-2009 |
20090114489 | Coupled Dual Pivot Brake Device - The dual pivot, side-pull type caliper brake described in the current invention comprise of two brake arms. The first brake arm is pivoted to the second arm. The second brake arm pivots on a fixing bolt. The fixing bolt connects the brake caliper to the frame or fork of a bicycle. A Bowden wire actuates the brake arms. A centering spring aligns both brake arms relative to the fixing bolt. The centering spring is preloaded against the fixing bolt, as well as the second brake arm. | 05-07-2009 |
20090194374 | Quick-release device of a bicycle brake cable - A quick-release device of a bicycle brake cable includes a brake arm mounted on a frame of the bicycle, a guider selectively slidably mounted on a free end of the brake arm and a safe lever pivotally mounted in the brake arm. The brake arm includes a groove defined along an axis thereof. The guider is hollow to allow the brake cable extending therethrough. The safe lever includes a pivot point that divides the safe lever into a press portion and a stop portion extending toward the guider to prevent the guider from an accidental operation due to an improper force. | 08-06-2009 |
20090200119 | Quick-release device of a bicycle brake cable - A quick-release device of a bicycle brake cable includes a main frame mounted to a handlebar of the bicycle, a lever pivotally mounted to the main frame and a push device mounted in the main frame to normally push the lever for selective changing the position between the lever and the push device and the tension of the brake cable. | 08-13-2009 |
20090242334 | HYDRAULIC CALIPER BRAKE ASSEMBLY FOR A BICYCLE - A hydraulic caliper brake assembly for a bicycle comprises a caliper body; a first chamber installed in the caliper body; a first piston installed in the first chamber; a second piston installed in the first chamber; an inner chamber formed between the first piston and the second piston for receiving brake oil; an outer chamber installed between the second piston and the caliper body for receiving brake oil; and an outer valve installed in the second piston for switching flowing of the brake oil between the inner chamber and outer chamber. When a small force is applied, the brake oil will flow into the inner chamber; by closing the outer valve, the first piston is pushed to have the effect of speed reduction; when the braking force is increased, by opening the outer valve, the second piston is pushed to have the effect of emergent braking. | 10-01-2009 |
20090250299 | Brake pad holder with arrangement for fine adjustment of a distance between brake pad and wheel rim - A bicycle brake pad holder includes a hollow fastening rod comprising a head, a concave surface on the head, and an annular flange on the concave surface; a brake pad mount including a slotted channel, a convex receptor opposite the channel, a hole through the convex receptor, and a nut disposed in the hole, the nut having a projection projecting out of the hole; a brake pad removably mounted on the channel; and a bolt driven into the fastening rod to secure to the nut with the receptor urged against the concave surface and the flange put on the projection. Loosening the bolt will disengage the receptor from the concave surface to allow the receptor to move vertically and transversely relative to the flange. Hence, a fine adjustment of a distance between the brake pad and a wheel rim is effected. | 10-08-2009 |
20100116598 | BICYCLE BRAKING SYSTEM - A bicycle braking system is basically provided with a bicycle braking device, a supplementary brake operating device and a brake maintaining arrangement. The bicycle braking device is movably between a non-brake applying position and a brake applying position for applying a braking force. The supplementary brake operating device is operatively coupled to operate the bicycle braking device. The supplementary brake operating device includes a rider operating arrangement that is operable by a rider between a non-braking position and at least one predetermined braking position. The brake maintaining arrangement is configured and arranged to hold the bicycle braking device in the brake applying position in response to movement of the rider operating arrangement to the predetermined braking position such that the braking force of the bicycle braking device is continually and consistently applied. | 05-13-2010 |
20100170753 | ELECTRONIC BRAKE ASSEMBLY FOR A BICYCLE - An electronic brake device for use with a wheel of a bicycle provides, among other features, wireless, remote disengagement of a wheel brake. A brake coupled to a housing is movable between an engaged position and a disengaged position. The housing includes a receiver configured to receive a command signal, and a processor operative to identify the received command signal. If the command signal is identified as a first command signal, the processor outputs a first control signal. An electric motor is operatively coupled to the brake to selectively move the brake from the engaged position in which the wheel of the bicycle is being braked to the disengaged position in which the wheel of the bicycle is free of any brake contact in response to the first control signal. Measured movement of the brakes between fully braked or fully disengaged positions are possible in the disclosed arrangement. | 07-08-2010 |
20100230215 | Link Unit of Brake Assembly for Bicycles - A brake system for bicycles includes two pivotably connected first and second arms and two brake pads are respectively connected to the first and second arms. A cable unit is connected to the second arm and includes a brake cable. A link unit includes a first link which is connected between the second arm and the brake cable. A second link has a first end connected to the first arm and a second end of the second link is pivotably connected to a mediate portion of the first link. The distance between the two ends of the first link is longer than the distance between the second end of the first link to the second end of the second link. The brake cable is lifted with less force, the first link lifts the second link which moves the first arm to pivot to stop the wheel rim. | 09-16-2010 |
20100236874 | Mechanism for quickly loosening and tightening brake cable in caliper brake of bicycle - A bicycle caliper brake includes a cable housing at an upper end of a first arm; a pivotal second arm comprising a coupling member at one end and a stepped groove on a bottom edge of the coupling member; a brake cable loosening and tightening device comprising a first unit, a second unit for pivotably securing the device to the coupling member, and a hole; a cable fastener secured to the first unit; a brake cable passing the cable housing to be fastened at the cable fastener; and a spring depressible trigger pin comprising a C-ring at one end, the trigger pin being driven through the groove and the hole to releasably secure the C-ring to the hole. Pressing the trigger pin will unfasten the C-ring and pivoting the device about the second unit will loosen the brake cable and increase a distance between brake pads at arms' ends. | 09-23-2010 |
20110000748 | BOLT FOR HYDRAULIC DISC BRAKE CALIPER - A bolt for use with a hydraulic disc brake caliper. The bolt includes a head and a shaft extending outwardly from the head. The shaft includes a threaded portion having a diameter, at least one channel defined at least partially in the outer surface of the threaded portion, and a reduced diameter portion defined at least partially circumferentially around the shaft and located between the head and the threaded portion. When the bolt is threaded into an opening, the at least one channel and the reduced diameter portion are in fluid communication. | 01-06-2011 |
20110011684 | Quick-Release Apparatus For A Bicycle Hydraulic Caliper Brake - An apparatus for a bicycle brake comprises a housing with a first piston bore, a first piston disposed in the first piston bore, and a first piston rod fixedly attached to the first piston and extending from the first piston toward the outside of the housing. The first piston rod includes a first brake arm coupling portion for coupling to a first brake arm, and an adjustment mechanism adjusts a distance of the first brake arm coupling portion relative to the piston. | 01-20-2011 |
20110056775 | BRAKE-ACTION SYNCHRONIZING DEVICE FOR A TWO-WHEELED VEHICLE - A brake-action synchronizing device for a two-wheeled vehicle includes a force imparting unit which is disposed in a housing and which includes a first block secured to and moved with a front brake cable, a stage extending transversely from the first block, and a second block which is disposed in the housing and which is secured to a rear brake cable. When the front brake cable is pulled by virtue of a front braking action, the first block is caused to move toward a ceiling wall of the housing and lift the second block so as to pull the rear brake cable, thereby delivering braking forces to both rear and front wheels of the vehicle. | 03-10-2011 |
20110100764 | Brake device and brake system using the same - A brake device and a brake system using the same are provided. The brake device mainly has a housing having one end oppositely connected to a top lid. A synchronization assembly accommodated with the housing has first and second end surfaces, through which active and passive brake cable sets penetrate. An active limiter is connected to the second end surface of the active brake cable set, and the passive brake cable set is connected to at least one passive limiter, at least one elastic member and at least one brake assembly. A rear wheel is firstly braked and then a front wheel is braked according to a ratio between the corresponding elastic members through the movements of the active and passive brake cable sets, the elastic member and the single synchronization assembly. Meanwhile, the overall size and the manufacturing cost of the brake device can be effectively and saved, respectively. | 05-05-2011 |
20110147137 | Hydraulic Brake Device - A hydraulic brake device includes a carrier body. The carrier body is integrally molded. The carrier body has at least one assembling portion disposed thereon for assembling purpose. The carrier body has at least one connecting portion respectively extending from the at least one assembling portion. At least one hydraulic brake assembly movably is mounted on the at least one connecting portion of the carrier body. The carrier body with the at least one brake assembly are adapted to assemble with a bicycle for providing a stable assembling effect, a high structural strength, and lightweight effect. | 06-23-2011 |
20110290594 | Bicycle brake with a mechanism for quickly loosening brake cable - A brake apparatus for a bicycle includes a finger member; a first am comprising a cable adjuster with a brake cable securely passing through, and a first brake pad; a first pivot for pivotably securing the first arm and one end of the finger member to a frame of the bicycle; a pivot member pivotably secured to the other end of the finger member and comprising a second brake pad and a bifurcation; a second arm having an extension proximate to one end and the other end secured to one end of the brake cable; a second pivot for pivotably securing the bifurcation and one end of the second arm and together; a spring depressible cam lever pivotably mounted in the bifurcation, the cam lever being pressed by the extending end of the second arm and comprising an actuation projection; and a fastener adjacent the cam lever. | 12-01-2011 |
20110290595 | REVERSIBLE HYDRAULIC CALIPER BRAKE FOR A BICYCLE - A bicycle hydraulic caliper brake apparatus includes a first brake arm with a first bearing surface, a second brake arm with a second bearing surface, and a hydraulic control device that includes a housing and a piston unit. The first bearing surface non-lockingly engages the piston unit, and the second bearing surface non-lockingly engages the housing. At least one of the piston unit or the housing engages a corresponding first or second bearing surface so that the piston unit or the housing rotates at least in part around an axis that is substantially parallel to at least one of the rotational axes of the brake arms. The housing is carried by the first brake arm and the second brake arm so that the housing moves together with the first brake arm and the second brake arm relative to a bicycle frame member. | 12-01-2011 |
20120018258 | RIM BRAKE - A rim brake of the side-pull caliper type having two arms pivotally mounted about a common pivoting axis which is laterally offset from the wheel reference plane. | 01-26-2012 |
20120024639 | ELECTRONIC BRAKE ASSEMBLY FOR A BICYCLE - An electronic brake device for use with a wheel of a bicycle provides, among other features, wireless, remote disengagement of a wheel brake. A brake coupled to a housing is movable between an engaged position and a disengaged position. The housing includes a receiver configured to receive a command signal, and a processor operative to identify the received command signal. If the command signal is identified as a first command signal, the processor outputs a first control signal. An electric motor is operatively coupled to the brake to selectively move the brake from the engaged position in which the wheel of the bicycle is being braked to the disengaged position in which the wheel of the bicycle is free of any brake contact in response to the first control signal. Measured movement of the brakes between fully braked or fully disengaged positions are possible in the disclosed arrangement. | 02-02-2012 |
20120067675 | BICYCLE BRAKE SYSTEM USING CAM MECHANISM - A bicycle brake system includes a first arm unit having a first arm and an engaging slot. A second arm unit is located in the engaging slot and has a second arm. The first and second arms each have a brake pad and the two brake pads face the two sides of the wheel rim. A cam unit has a contact piece connected to the second arm unit and a cam member pivotably connected to the first arm unit. The cam member includes a cam portion having a curved surface which is in contact with the contact piece. An operation unit is connected to the second arm unit and includes a cable which is fixed to the guide portion of the cam member. The cam member indirectly contacts the second arm unit so that the second arm unit does not wear out. | 03-22-2012 |
20120222922 | HYDRAULIC RIM BRAKE FOR A BICYCLE - A bicycle brake apparatus comprises a first brake arm, a second brake arm and a piston assembly. A first control interface portion of the first brake arm is coupled to an output shaft of a piston, and a second control interface portion of the second brake arm is coupled to a housing of the piston assembly between first and second axial ends of the housing. An adjusting member may be disposed at the output shaft for adjusting a position of the output shaft relative to at least one of the housing or the first control interface portion of the first brake arm. The housing includes a first wall defining a piston chamber and a second wall defining an accumulator chamber. A radial distance from a movement axis to the second wall is greater than a radial distance from the movement axis to the first wall. | 09-06-2012 |
20120222923 | RETURN SPRING APPARATUS FOR A BICYCLE BRAKE - A bicycle brake apparatus comprises a pair of brake arms and a biasing member having a first portion and a second portion. Each brake arm includes a brake arm mounting portion for mounting the brake arm to a bicycle frame member to pivot around a pivot axis of a corresponding pivot axle, a brake pad mounting portion, and a control interface portion. The first portion of the biasing member is operatively coupled to one of the brake arms so that the brake pad mounting portion of that brake arm is biased in a selected direction, and the second portion of the biasing member is coupled to the pivot axle of the other brake arm. | 09-06-2012 |
20120222924 | INTERFACE MEMBER FOR A BICYCLE BRAKE - An interface member is provided for a bicycle brake having a brake arm and another brake arm, wherein the brake arm pivots around a pivot axis, and wherein the other brake arm pivots around another pivot axis. The interface member comprises a mounting portion, a first operating portion and a second operating portion. The mounting portion is structured to be mounted in close proximity to the pivot axis. The first operating portion extends from the mounting portion for interfacing with the brake arm, and the second operating portion extends from the mounting portion and is structured to extend towards the other brake arm. The second operating portion is axially thick. | 09-06-2012 |
20120234633 | SEQUENTIAL BRAKE CONTROL DEVICE FOR A CYCLE - A sequential brake control device for a cycle has a sliding connector and a front delaying and anti-lock spring set to serve to sequentially actuate brake. A left lever cable and a right lever cable are commonly connected to the sliding connector. A front brake cable passes through the sliding connector and the front delaying and anti-lock spring set and is mounted in a front brake cable block abutting against the front delaying and anti-lock spring set. A rear brake cable may alternatively pass through the sliding connector and a rear suspension spring and is mounted in a rear brake cable block abutting against the rear suspension spring. When one or both brake levers are squeezed, a rear wheel is stopped before the front wheel does. The front and rear wheels are slowed down in speed first when a brake is applied and fully stopped at a lower speed of the cycle. | 09-20-2012 |
20120279811 | BRAKE SYSTEM AND APPARATUS - A braking system includes a brake pad that is coupled to a slider assembly that moves linearly within a guide. The slider assembly and guide are coupled to a first brake. A second brake actuator is coupled to the slider assembly, the guide and a second brake. When the first brake is actuated, the slider assembly is pressed against a rotating braking surface and the friction of the brake pad against the rotating braking surface can cause the slider assembly to move within the guide which actuates the second brake actuator. The second brake actuator then actuates the second brake. When the first brake is released, the slider assembly is removed from the rotating braking surface and the second brake actuator is released which releases the second brake. | 11-08-2012 |
20120312641 | Bicycle brake device - A bicycle brake device is provided with a torsion spring on each of two brake arms, and the torsion spring has one end fixed to the fork tube of the bicycle and another end abutted against the brake arms to restrict a pivoting angle of the brake arm. The bicycle brake device is easy to assembly and capable of adjusting the position of the brake shoes as desired. In the case that the steel cord is broken, the bicycle brake device is further capable of preventing the brake arms from pivoting too far and getting stuck in the wheel, so as to improve riding safety. | 12-13-2012 |
20130020152 | BICYCLE BRAKE ARM - A bicycle brake arm basically has a first branch and a second branch. The first branch includes a cable attachment structure. The second branch extends from the first branch. The second branch includes a brake shoe attachment structure. At least one of the first and second branches includes an interior cavity. The at least one of the first and second branches has a transverse cross-section in which the interior cavity is completely and continuously surrounded by an exterior surface of the bicycle brake arm. | 01-24-2013 |
20130025980 | Exoskeleton Bridge of Dual-Pivot Brake Allowing Braking Forces to Transmit Through Center Plane of Dual-Pivot Brake - A dual-pivot brake includes first and second caliper arms linked together and disposed symmetrically with respect to each other. The dual-pivot brake further includes an exoskeleton bridge including two-piece bridge members consisting of first and second bridge members. The first and second bridge members are interconnected together by first and second axles, respectively. The first and second caliper arms are pivotally mounted on the first and second axles respectively and selectively move towards or away from each other in the operation of the dual-pivot brake. | 01-31-2013 |
20130112510 | Hydraulic Rim Brake - A hydraulically actuated rim brake with a pair of brake arms. Both brake arms may rotate about a common axis, which is the axis of a single bolt that mounts the assembly to the bicycle. The system has one piston slidably disposed in a piston cylinder. The piston's cylinder may be formed in one of the two brake arms. Actuation of the piston in the cylinder causes movement of both brake arms. | 05-09-2013 |
20130146400 | HYDRAULIC BRAKE DEVICE - A hydraulic brake device includes a carrier body. The carrier body is integrally molded. The carrier body has at least one assembling portion disposed thereon for assembling purpose. The carrier body has at least one connecting portion respectively extending from the at least one assembling portion. At least one hydraulic brake assembly movably is mounted on the at least one connecting portion of the carrier body. The carrier body with the at least one brake assembly are adapted to assemble with a bicycle for providing a stable assembling effect, a high structural strength, and lightweight effect. | 06-13-2013 |
20130333985 | BICYCLE BRAKE ASSEMBLY - A bicycle brake assembly includes a brake unit, a fixing structure and an alignment structure. The brake unit includes first and second brake arms. The fixing structure is configured to operatively couple the brake unit to a brake supporting portion of a bicycle frame. The alignment structure is disposed in the vicinity of the fixing structure. The alignment structure is configured to align the brake unit to the brake supporting portion. | 12-19-2013 |
20130341128 | RIM BRAKE - A rim brake with a synchronous link mechanism for synchronizing the movement of a pair of brake arms. The rim brake may be a hydraulic rim brake. The hydraulic rim brake may include a slave cylinder formed in one of the pair of brake arms including a piston, wherein the piston contacts the other of the pair of brake arms to impart movement thereto. | 12-26-2013 |
20130341129 | BICYCLE BRAKE ARM - A bicycle brake arm includes a sleeve, a brake arm body, first and second abutments and a first bearing member. The brake arm body has a mounting portion. The brake arm body is rotatably arranged with respect to the sleeve. The first and second abutments are axially arranged with respect to each other on the sleeve. At least a part of the brake arm body is disposed between the first and second abutments. The first bearing member is disposed axially on a first outside of the mounting portion of the brake arm body about the sleeve. The first bearing member is axially disposed between the first and second abutments. | 12-26-2013 |
20140041969 | Bicycle brake unit - A bicycle brake unit includes a first arm, a second arm and a connector, when the brake cable is pulled, the first and second cable connectors on the two arms are moved toward each other to pivot the first and second arms. The first rail on the first arm and the second rail on the second arm are moved relative to each other via the rotation of the pivot. The pivot is movable in the elongate slot in the connector which is pivotably connected to the first and second arms. The first and second arms are pivoted toward each other to brake the wheel by the brake pads on the two arms. The first and second arms apply even forces to the two brake pads. | 02-13-2014 |
20140166411 | REPAIR KIT FOR BRAKE SYSTEM AND APPARATUS - A braking system includes a brake pad that is coupled to a slider assembly that moves linearly within a guide. The slider assembly and guide are coupled to a first brake. A second brake actuator is coupled to the slider assembly, the guide and a second brake. When the first brake is actuated, the slider assembly is pressed against a rotating braking surface and the friction of the brake pad against the rotating braking surface can cause the slider assembly to move within the guide which actuates the second brake actuator. The second brake actuator then actuates the second brake. When the first brake is released, the slider assembly is removed from the rotating braking surface and the second brake actuator is released which releases the second brake. | 06-19-2014 |
20140231187 | Quick-release device of bicycle brake cable - A quick-release device for a bicycle brake including a first brake arm, a second brake arm, and a brake cable terminated at the second brake arm, the quick-release device is provided with a lever including a long part and a short part pivotably secured to a top of the second brake arm; and an attachment assembly for securing the brake cable to a joining portion of the long part and the short part. A rotation of the lever in a first direction loosens the brake cable and increases a distance between the first brake arm and the second brake arm. A rotation of the lever in a second direction contrary to the first direction tightens the brake cable and decreases the distance between the first brake arm and the second brake arm. | 08-21-2014 |
20140345981 | BICYCLE BRAKE ASSEMBLY - A bicycle brake assembly comprises brake arms, axles, a force application linkage structure, and a movement control linkage member. The brake arms are each pivotably mounted at the central portion thereof on a respective one of the axles. The force application linkage structure has a first force transmitting member connected to the first brake arm and a second force transmitting member thereof connected to the second brake arm. The movement control linkage member is coupled between the first one of the force transmitting members of the force application linkage structure and the second one of the axles for controlling movement the brake arms relative to each other for a given displacement of the force application linkage structure. | 11-27-2014 |
20150291251 | HYDRAULIC ADJUSTMENT DEVICE FOR HYDRAULIC BREAK - A hydraulic adjustment device for a hydraulic break may include a break clamp, a piston, a resilient unit and a knob. The break clamp has a receiving space to receive a break pad and one side of the receiving space has a oil chamber on the break clamp. An arm is formed corresponding to an opening of the oil chamber and a break line passes through a moving end of the arm, and the break line extends to connect the break clamp and a handle of a bicycle. The piston restores to its original position with the resilient force of the resilient unit, and the knob is mounted on the rod of the positioning portion to conduct fine-tuning of the piston through the rod. | 10-15-2015 |