| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 280278000 | Extensible and knockdown | 35 |
| 20080224441 | Foldable bicycle - A foldable bicycle that comprises a folding segment provided on the frame thereof, whereupon the bicycle can be folded in the manner that a front wheel is settled at the side of a back wheel of the bicycle. The bicycle further comprise an auxiliary wheel deposited on the frame in front of the folding segment so that when the bicycle is folded, the auxiliary wheel, the front wheel and back wheel of the bicycle can function as three supporting points that are arranged in a triangular form on a plane. | 09-18-2008 |
| 20090115160 | COLLAPSIBLE SCOOTER WITH TRI-FOOTBOARD - The present invention pertains to a collapsible scooter with tri-footboard providing with a supporting stem attached to the frame body and two steering pivots mounted to both sides thereof for respectively sliding toward a single direction. Further, two auxiliary footboard devices attached their front ends to the steering pivots and their rear ends to the rear wheels, so that the auxiliary footboard devices are positioned toward reverse directions through swinging the steering pivots. In this manner, the rider can alternatively ride the scooter by foot-propelling with the frame footboard or by wriggling rider's buttocks while treading on the auxiliary footboard devices so as to achieve dual operations. Also, the present invention is collapsible for easy storing and carrying and increases its convenience. | 05-07-2009 |
| 20090152829 | KNEE SCOOTER - A knee scooter includes a substantially V-shaped chassis formed by a pair of extensions joined together at a vertex. At the vertex, the extensions form an angle of about sixty degrees. Further, the extensions establish a foot-space in the interior of the angle and define a chassis centerline that bisects the angle. An adjustment tube is selectively engageable with the first extension of the chassis to orient the adjustment tube substantially perpendicular to the plane of the chassis. Further, engagement with the first extension off-sets the adjustment tube from the centerline of the chassis. In use, a user rests one knee on the seat while propelling the knee scooter with his/her other leg in the foot-space. | 06-18-2009 |
| 20090289434 | Folding bicycle - A folding bicycle includes an X-shaped frame consisting of a lower front, a lower rear, an upper front, and an upper rear supporting arm; a front and a rear wheel respectively mounted to distal ends of the lower front and lower rear supporting arms; a saddle pivotally connected to a distal end of the upper rear supporting arm; a handlebar rotatably connected to a distal end of the upper front supporting arm; a locking mechanism mounted between the lower front and lower rear supporting arms for holding the frame in an extended position; and a steering mechanism arranged between the handlebar and the front wheel for steering the bicycle. | 11-26-2009 |
| 20100066053 | Foldable frame for a vehicle with two or more wheels - Foldable frame for vehicles with two or more wheels characterized in that it comprises a front fork connected in a usual way to a steering column tube. Said steering column tube is, in turn, connected to a main frame of the vehicle by means of a hinge and by means of a connecting rod which can be operated to make the fork rotate about the hinge to position it adjacent to the frame and thus reduce the overall longitudinal size of the folded vehicle. | 03-18-2010 |
| 20100066054 | COLLAPSIBLE BICYCLE - A collapsible bicycle has a frame assembly, a front wheel, a rear wheel assembly, a seat and a handle bar. The frame assembly has a head tube assembly, a downtube assembly, a seat tube assembly, a cross bar assembly, which are connected pivotally to each other. The front wheel and the handle bar are connected to the head tube assembly. the rear wheel assembly is connected to the downtube assembly. The seat is connected to the seat tube assembly. The downtube assembly has a front downtube and a rear downtube, which are connected pivotally to each other. The cross bar assembly has a front cross bar and a rear cross bar, which are connected detachably to each other. Therefore, the collapsible bicycle is folded and unfolded quickly without using any hand tools. | 03-18-2010 |
| 20100133777 | DETACHABLE BICYCLE FRAME - According to one embodiment, a connector assembly for assembling at least two portions of a bicycle frame has first and second connectors, adapted to be mounted to the frame. The first connector has a body with an inner aperture, a peripheral region, a threaded exterior profile greater than a body outer profile and an axial contact surface. The second connector has a body with an exterior profile, a pilot to be received in the first connector inner aperture and a peripheral region having an exterior profile and an axial contact surface. A sleeve has a first region with an aperture to receive the second connector body exterior profile, a second region with an inner profile to receive the second connector peripheral region exterior profile, and a threaded region engaging the first connector threaded exterior profile for fastening the connector assembly and maintaining engagement of the pilot and axial contact surfaces. | 06-03-2010 |
| 20100148467 | Collapsible Bicycle - The present invention provides a collapsible bicycle ( | 06-17-2010 |
| 20100230927 | FOLDING BICYCLE - A folding bicycle includes a frame, a steering unit, a shaft tube coupled to a first end of the frame and to the steering unit, a front fork linked with the steering unit through the shaft tube, a front wheel mounted onto the front fork, a rear fork coupled to a second end of the frame, a rear wheel mounted onto the rear fork, and a seat unit installed onto the frame. A folding unit is installed at a central position of the frame, and the first and second ends of the frame include a first pivot and a second pivot respectively, such that if the frame is folded by means of the folding unit, the first and second pivots are stacked with each other to achieve the effect of reducing the folding volume of the bicycle. | 09-16-2010 |
| 20100289245 | Folding Bicycle - A folding bicycle includes a front portion and a rear portion that are pivotally connected and positioned with each other by a buffer hinge assembly, which also helps to improve comfort of riding. The folding bicycle further has a buckle unit allowing a stem of the folding bicycle to be rotated, bent and positioned with respect to the rest of the front portion, and a long-lever brake assembly allowing easy braking operation and protecting brake wires from malicious cut. An adjustable supporter is provided on a frame of the front portion for carrying an external object, such as a secondary seat or a basket, while a housing made of punched metal parts and incorporating a luggage box is provided at the rear portion of the folding bicycle. | 11-18-2010 |
| 20100301582 | PORTABLE JOGGING TRICYCLE - A portable jogging tricycle includes a main frame, a handle base, a rear wheel support frame connected to opposite sides of the handle base, two front wheel support frames and two foldable frames attached between the handle base and the front wheel support frame. The foldable frame includes a plurality of scissor lifts and is used for folding the two front wheel support frames close to the handle base. The main frame includes a plurality of pivoted arms for folding the main frame together to fold in the handle base and the rear wheel support frame. | 12-02-2010 |
| 20110057413 | ELECTRICALLY-EXTENDIBLE BICYCLE - An electrically-extendible bicycle includes two shaft tubes, which are arranged symmetrically on opposite sides of a head tube that is set atop a front fork. The two shaft tubes extend through a guide sleeve. The shaft tubes have bottom surfaces on which racks are respectively formed. A motor is set on a rear fork of the bicycle and is coupled to a transmission gear train, which mates the racks on the bottom surfaces of the shaft tubes. After the operation of the motor is activated, the transmission gear train selectively drives forward and backward movement of the shaft tubes so as to extend and retract the bicycle. | 03-10-2011 |
| 20110109059 | FOLDING BICYCLE - A folding bicycle being foldable between an erect condition for riding and a compact folded condition, including a main frame, a rear frame coupling a rear wheel of the bicycle to the main frame, and a front arm coupling a front wheel of the bicycle to the main frame, wherein in folding the bicycle from the erect condition to the folded condition the rear frame is folded relative to the main frame about a pivot axis substantially transverse to the bicycle to overlap the front and rear wheels. | 05-12-2011 |
| 20110148069 | Foldable bicycle - A foldable land vehicle employs two pivots: a first to rotate the rear-wheel assembly and shorten the distance between the chain-ring axle and the rear-wheel axle; and a second to rotate the chain-ring assembly and the rear-wheel assembly to align them with the main beam. The rear-wheel assembly detaches from the frame to enable rotation about the rear-wheel pivot. The rear-wheel pivot connects the chain-ring assembly to the rear-wheel assembly. The chain-ring pivot is preferably located on the main beam. Each pivot may be tilted from perpendicular to the approximate central vertical plane of the foldable land vehicle in order place the rear wheel and chain ring in a more compact state adjacent to the main beam. | 06-23-2011 |
| 20110169246 | FOLDING APPARATUS FOR A BICYCLE FRAME - A folding apparatus for a bicycle frame includes a bicycle frame and at least one engaging device assembled on the bicycle frame. The bicycle frame includes at least one first tube and at least one second tube. Each of the at least one engaging device includes a stationary sleeve disposed on the second tube and has a series of second tooth formed thereon. A rotary sleeve is fixed to the first tube and rotatably mounted on the second tube. The rotary sleeve has a series of first tooth formed thereon for correspondingly engaging with the stationary sleeve. A locking device is movably mounted on the second tube for securely retaining the rotary sleeve firmly engaging with the stationary sleeve. When the locking device is released, the rotary sleeve and the first tube rotate relative to the second tube, and the bicycle frame is folded. | 07-14-2011 |
| 20110193313 | FOLDABLE BICYCLE - Disclosed is a foldable bicycle. The foldable bicycle includes a head frame having a first connection part, a first lower frame integrally formed with the head frame and provided at a terminal end thereof with a second fastening part, a second lower frame provided with a second connection part extending from one side of the perforation hole, a slide member coupled with the second lower frame to slidably move lengthwise along the second lower frame and provided at an upper portion thereof with a third connection part, a saddle frame provided at a lower portion thereof with a third fastening part rotatably coupled with the third connection part, and a horizontal frame provided at one end thereof with a fourth fastening part rotatably coupled with saddle frame, and at the other end thereof with a first fastening part rotatably coupled with a first connection part. | 08-11-2011 |
| 20110198822 | CHILD VEHICLE HAVING A GRAPHICAL INTERFACE - A child vehicle includes a front frame having a handlebar and at least one front wheel, and a rear frame movably coupled thereto and having at least one rear wheel. At least one graphical interface is coupled to the vehicle and includes a placard having a frame secured to the vehicle and a working surface disposed generally within the frame. The working surface is configured to be marked thereon by the child using a marking utensil so as to create an artistic expression for customizing the vehicle. A tool-less coupling between the front and rear frames and an associated method of a tool-less assembly of a child vehicle are also disclosed. | 08-18-2011 |
| 20120056399 | TROLLEY-LIKE FOLDING BICYCLE - A trolley-like folding bicycle that mainly includes a bicycle frame, a folding device, a transmission gear, a draw bar, and a draw wheel set is disclosed. With the operation of the folding device, the present invention has a usage state and a folded state. When the present invention is in the folded state, the user can draw the trolley-like folding bicycle by simply turning the folded bicycle body upright such that the draw wheel set contacts the ground and then pulling the draw bar. At this stage, an axis formed with the draw bar is substantially perpendicular to a draw rotation axis formed with small wheels of the draw wheel set. The user can move the trolley-like folding bicycle by simply pulling the draw bar, as easily as drawing a luggage case. | 03-08-2012 |
| 20120169027 | FOLDABLE BICYCLE HAVING A STABILIZATION SYSTEM - The invention relates to a foldable bicycle including a frame that comprises a rear portion on which a rear wheel is arranged, a front portion, and a folding system configured to fold back said front portion against said rear portion. On either side of the bicycle, the rear portion has a tubular structure comprising at least one tube extending longitudinally and having a rear segment and a front segment, assembly means being arranged between said rear segments and the rear wheel, said front segments having a curved shape configured to come into contact with the ground or floor when the front portion is folded back against the rear portion, so that said two front segments and at least the rear wheel stabilize the rear portion of the bicycle in the folded position. | 07-05-2012 |
| 20130043667 | BICYCLE FRAME AND DRIVE LINK CASE THEREFORE - A bicycle frame includes a front section and a rear section. The front section includes a front frame portion having a front coupling configured to receive a front wheel support member and to allow rotation between the front coupling and the front wheel support member, the front frame portion defining a central vertical plane of the frame. The rear section includes a drive link case having an upper tube, a lower tube, a rear hub housing, and a front housing integrally arranged with each other to form a rigid drive link case having an opening disposed between the upper and lower tubes, the drive case being connected to the front frame portion via the front sprocket housing. The drive link case is disposed eccentric to the central vertical plane and is cantilevered rearward from the front housing. The front frame portion extends forward from the front housing. | 02-21-2013 |
| 20130093159 | VERTICALLY ADJUSTABLE BICYCLE ASSEMBLY - An adjustable assembly for a bicycle includes a first support having an interior surface and a second support slidably positioned within at least a portion of the first support. One of the first support and the second support is adapted to attach to a first bicycle portion, and the other of the first support and the second support is adapted to attach to a second bicycle portion. Further, the second support comprises an expansion portion configured to be moved between an expanded position and a retracted position. The expansion portion is configured to engage the interior surface of the first support when the expansion portion is in an expanded position. In addition, the first support is configured to be selectively moved relative to the second support when the expansion portion is permitted to assume a retracted position. | 04-18-2013 |
| 20130270792 | BICYCLE - Provided is a bicycle including: a front wheel section steering bicycle comprising: a front wheel section comprising a handle section, and front wheel stem connected to a lower end of the handle section and provided with a saddle installed at an upper end and a front wheel installed at a lower end thereof; and a rear wheel section comprising a rear wheel stem provided with an upper end hinged to the lower end of the handle section or the front wheel stem via a steering bearing and a lower end at which a rear wheel is installed, which form an X shape, wherein the front wheel section is laterally steered about a ground contact point of the front wheel as a rotary shaft by the hinge when the steering bearing is rotated by steering manipulation of the handle section. | 10-17-2013 |
| 20130277941 | CYCLE - A collapsible cycle for use by a rider over a terrain surface comprises a frame having front and rear portions and a seat attached to the frame. A front wheel is rotatably attached to a steering member, the front wheel rotatable in a first plane about a primary axis, and the steering member being pivotally attached to the front frame portion for rotation about a secondary axis orthogonal to the primary axis. A user-operable steering mechanism is coupled to the steering member. A rear wheel is rotatably attached to the rear frame portion and rotatable in a third plane about a tertiary axis. A drive mechanism is operatively coupled to the front and/or rear wheel. The cycle is collapsible from an erect riding configuration to a collapsed configuration by repositioning the front and rear wheels into mutually closer proximity. | 10-24-2013 |
| 20140049022 | ADJUSTABLE AND EXTENSIBLE BICYCLE FRAME - An adjustable bicycle is provided as well as an adjustable frame assembly and an adjustable steering column assembly. The frame assembly includes a seat tube, a head tube and a top tube assembly connecting the seat tube to the head tube. The top tube assembly includes a female tube and a male tube having a front attached to the head tube and the rear telescopically engaging with the female tube. The female tube telescopically slides within the first male tube. A locking mechanism fixes the position of the female tube relative to the male tube. The adjustable steering column assembly includes a steerer tube having a top and a bottom, the bottom being operatively engaged within the head tube. A telescopic tube having a bottom telescopically engages within the steerer tube. A steering column locking mechanism fixes the position of the telescopic tube within the steerer tube. | 02-20-2014 |
| 20140077474 | FOLDING BICYCLE AND METHOD OF USE - A folding bicycle and method for folding the folding bicycle is provided. The folding bicycle comprises a frame having a first end and a second end; a first wheel connected to the second end of the frame, the first wheel and the frame being located in a first plane; a fork having a first end and a second end, the second end of the fork pivotally connected to the first end of the frame thereby allowing the fork to pivot about the first plane; a second wheel connected to the first end of the fork, the second wheel and the fork being located in a second plane; a first pivot member having a first pivot axis to allow the first end of the fork to pivot towards the second end of the fork about the first pivot axis; a second pivot member having a second pivot axis to allow the first end of the frame to pivot towards the second end of the frame about the second pivot axis; and a third pivot member having a third pivot axis to allow the second end of the frame to pivot towards the first end of the frame about the third pivot axis. | 03-20-2014 |
| 20140103616 | FOLDABLE TRICYCLE - A foldable tricycle that transitions between a use orientation, and a transport or storage orientation. The tricycle has a frame including a first end and a second end of the frame, a fork rotatably connected adjacent the first end of the frame, a front wheel rotatably connected to the fork, and a handlebar assembly coupled to the fork to allow for steering of the fork. The tricycle also has first and second rear wheels adjacent the second end of the frame in the use position. The rear wheels are positioned a first distance from a longitudinal axis of the frame in the use position. The first and second wheels can be transitioned to a storage position adjacent the first end of the frame and at a second distance from the longitudinal axis of the frame in the storage position, wherein the first distance from the frame is greater than the second distance from the frame. The tricycle may also have a folding assembly pivotably coupled to the second end of the frame at a first pivot location. As such, the first and second rear wheels may be connected to the folding assembly to simultaneously transition the first and second rear wheels to a storage position with the folding assembly | 04-17-2014 |
| 20140291959 | FOLDABLE BICYCLE - A vehicle is configured for conversion between an expanded arrangement in which forward and rearward portions of a main frame member are coincident and a folded arrangement in which the forward and rearward portions are non-coincident. A hinge coupling enables relative pivoting of forward and rearward portions about a main frame pivot axis extending at acute angles relative to both a rear vertical transverse plane and a horizontal plane. A method of providing the vehicle in a folded arrangement includes configuring an elongate main frame member such that longitudinal axes of forward and rearward portions of the main frame member are non-coincidental, configuring a steering tube such that a longitudinal axis of a proximal portion of the steering tube lies within a plane parallel to and spaced apart from the front longitudinal plane while a distal portion lies within the vertical longitudinal plane. | 10-02-2014 |
| 20140327226 | FOLDABLE BICYCLE - A foldable bicycle is provided in its self-propelled use position in its folded-out state, for transporting and for storage in its folded-up state and in both its folded-out and folded up states has fixing components for maintaining the reliability of these states, and in its folded-up state it has significantly lower space demand as compared to its folded-out state. | 11-06-2014 |
| 20140333044 | FOLDING BICYCLE AND METHOD OF USE - A folding bicycle and method for folding the folding bicycle is provided. The folding bicycle comprises a frame having a first end and a second end; a first wheel connected to the second end of the frame, the first wheel and the frame being located in a first plane; a fork having a first end and a second end, the second end of the fork pivotally connected to the first end of the frame thereby allowing the fork to pivot about the first plane; a second wheel connected to the first end of the fork, the second wheel and the fork being located in a second plane; a first pivot member having a first pivot axis to allow the first end of the fork to pivot towards the second end of the fork about the first pivot axis; a second pivot member having a second pivot axis to allow the first end of the frame to pivot towards the second end of the frame about the second pivot axis; and a third pivot member having a third pivot axis to allow the second end of the frame to pivot towards the first end of the frame about the third pivot axis. | 11-13-2014 |
| 20150048585 | TRICYCLE WITH FOLDABLE DOUBLE -WHEEL ASSEMBLY - A tricycle with foldable double wheel assembly comprises: a frame, a single-wheel assembly and a double-wheel assembly respectively disposed at front end and rear end of the frame, and a handlebar assembly matching with the single-wheel assembly to control steering, the double-wheel assembly comprising a supporting beam and two wheels disposed on the supporting beam, wherein the supporting beam comprises two branches of same structures, the two wheels being respectively disposed on the two branches, the supporting beam having a first stable state where the two branches are open, and a second stable state where the two branches are put together side by side. The supporting beam in the double-wheel assembly of the present utility model is foldable so that it is not necessary to occupy a relatively large space to carry/store the tricycle and the usage convenience of the tricycle is thus improved. | 02-19-2015 |
| 20150054254 | QUICK RELEASE - A quick release mechanism for at least partially muscle-powered two-wheeled vehicles such as bicycles having a through axle extending in the axial direction, a clamping device at a first end of the through axle and a fastener at the second end of the through axle and with a clamping mechanism for clamping the clamping device. The clamping device includes an engaging section for applying a clamping force from the clamping mechanism to the clamping device and a clamping section with an annular pressure area for clamping. The clamping device has a tubular mounting section extending from the clamping section in the direction of the second end of the through axle and to which the through axle is attached. | 02-26-2015 |
| 20150321720 | BICYCLE INCLUDING FRAME WITH INFLATABLE SEGMENTS - A bicycle includes a frame, a front steering assembly rotatably coupled to the frame, a front wheel rotatably coupled to the front steering assembly, and a rear wheel rotatably coupled to the frame. The frame includes an inflatable segment and a valve in communication with the inflatable segment for selectively inflating and deflating the inflatable segment. | 11-12-2015 |
| 20160031516 | ELECTRIC BICYCLE - A bicycle includes a frame including first and second segments pivotable relative to each other between a folded position and an unfolded position. A magnet is fixed relative to the first segment. An electromagnet is fixed relative to the second segment and disposed in a magnetic field of the magnet when the frame is in the folded position. A controller is configured to power the electromagnet to repel the magnet to unfold the frame. | 02-04-2016 |
| 20160075395 | STEERING SHAFT MODIFIER - There is provided a steering shaft modifier, capable of fundamentally preventing distortion generated in a new steering shaft, being easing aligned, and being simply assembled, including: a frame having a steering shaft penetrating portion formed in a front surface thereof and having a contact surface covering a portion of the steering head and disposed to be in contact with an upper bearing installation portion of a steering shaft installation portion; a shaft including a head portion caught by a lower bearing installation portion of the steering shaft installation portion of the steering head, a body portion passing through the steering shaft installation portion, and a connection portion connected to the frame; and a frame block including a lower contact surface tightly attached to a lower surface of the steering head in the rear of the lower bearing installation portion and coupled to the frame when installed. | 03-17-2016 |
| 20160251052 | BICYCLE WITH DETACHABLE HEAD-TUBE SUBASSEMBLY | 09-01-2016 |
