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DEVICE OR MEMBER FOR CONTACTING AND GUIDING MOVING CABLE

Subclass of:

254 - Implements or apparatus for applying pushing or pulling force

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
254389000DEVICE OR MEMBER FOR CONTACTING AND GUIDING MOVING CABLE73
20090014699CABLE GUIDE - A guide adapted to retain a flexible member can include a body defining an arcuate intermediate portion extending between a first end and a second end. The arcuate intermediate portion can define a generally unshaped cross-section. The intermediate portion can define a throat adapted to slidably capture the flexible member. A mounting aperture can be defined through the first end. At least one finger can be formed on the body. The finger can extend toward the throat and is adapted to retain the flexible member within the throat.01-15-2009
20090065751SYSTEM TO GUIDE A WIRE, CHAIN, CABLE, ETC, ONBOARD A VESSEL - A system is described for handling a wire, a chain, a cable, etc. (03-12-2009
20090072208Device for Guiding the Bolt Rope of a Sail - The invention relates to a device for guiding the bolt rope of a sail. The inventive device (03-19-2009
20100032631Cable-operated device - A cable-operated device may comprise a moving member, a cable, a supporting member, and a coil spring. One end of the cable may be connected to the moving member. The cable may be arranged so as to advance and retreat with respect to the moving member. The moving member may move as the cable is caused to advance and retreat. The supporting member may support the cable along a pathway on which the cable is arranged. One end of the coil spring may be fixed to the moving member, and the other end thereof may be fixed to the supporting member. The cable may be inserted into the inner hole of the coil spring. At least one of the moving member and the supporting member may comprise a guide surface that makes contact with the coil spring from a lateral direction with respect to the coil spring. At least one portion of the guide surface may comprise an alumite film.02-11-2010
20100133491SYSTEMS AND METHODS FOR CONTROLLING ROPE - A device for controlling movement of a rope comprises a main part and a bar part. The main part defines a central opening, first and second side portions, first and second end portions, at least one projection portion extending from each end portion, and a friction surface formed at junctures of each end portion and the at least one projection portion adjacent thereto. The bar part is movably attached to the first side portion. The bar part is displaced to allow a portion of the rope to be arranged within the central opening and at least partly around the bar part. The bar part is displaced such that the main part and the bar part define first and second opening portions of the central opening and the portion of the rope extends through the first and second opening portions and at least partly around the bar part.06-03-2010
20110272654LOW FRICTION ROPE GUARD AND EDGE PROTECTOR WITH RADIUS PROTECTION AND GUIDE RAILS - An edge protector for placement between an edge and a rope according to embodiments of the present invention includes an inner surface having a rope guide, the rope guide including a first guide rail, a second guide rail, and a rope travel path between the first and second guide rails along which the rope slides in a rope travel direction, and an outer surface comprising one or more edge engagement bands, the one or more edge engagement bands oriented substantially perpendicularly to the rope travel direction and configured to engage the edge to deter slippage of the edge protector with respect to the edge.11-10-2011
20130001490Apparatus for Retracting, Storing and Inserting an Elongated Element - An apparatus retracts, stores, and inserts an elongated element. The apparatus has a retracting unit for retracting a length of a pre-cut module through a window of a retractable cable, a storage unit for storing the retracted pre-cut module, and an inserting unit for inserting the retracted pre-cut module into a branch duct. The retracting unit, the storage unit, and the inserting unit are mounted on an assembly portion installed at a branch location.01-03-2013
20130056696DEVICE FOR GUIDING A ROPE - The guiding device (03-07-2013
20140299828Threadless Fairlead - A threadless fairlead assembly for a sailing vessel is provided, in which the C-shaped fairlead body has a channel which passes from the outside of the body to the aperature and is closed by a latch pin, this configuration allows a line to pass in and out of the assembly while remaining relatively parallel to the centerline of the aperature.10-09-2014
20140339485FAIRLEAD FOR GUIDING AN ANCHORING CHAIN AND INTENDED TO BE PROVIDED TO ANCHORING EQUIPMENT ON THE FLOOR OF A FLOATING PLATFORM - A fairlead for guiding an anchor chain, intended to equip a ground anchor system for a floating platform, includes a bending structure for guiding a direction change of the associated anchor chain, and a locking structure that includes a grip jaw consisting of two jaws associated with operating elements for rotatably moving the jaws in opposite directions. The operating elements include: (a) an inert mass, referred to as “counterweight”, which is movably coupled to the jaws and which is height-adjustable between a low position and a high position corresponding to an active position and an inactive position of the jaws, respectively, so as to operate and tend to maintain the jaws in the active position, and (b) an actuator driven by control elements, for operating the jaws from the active position to the inactive position and for operating the counterweight from the low position to the high position.11-20-2014
20150353331LINE STABILIZER - A stabilizer for a line may include a guide configured for arrangement on the line to resist and/or dampen lateral motions of the line where the guide may include a guide jacket having a static sleeve configured to allow the line to pass through the guide and a fortifying bracket configured to reinforce the guide jacket and configured to interface with a hanging system to support the guide jacket and maintain the guide jacket in position on the line.12-10-2015
20160031684CHAIN HOIST WITH IMPROVED CHAIN ENTRY - A chain hoist (02-04-2016
20160039645Systems and Methods for Controlling Rope - A device for controlling movement of a rope has a main part and a bar. The main part defines a central opening, first and second side portions, first and second end portions, first and second pairs of projection portions extending from the first and second end portions, respectively, a first notch defined by the first pair of projection portions, and at least a first end friction surface formed at a juncture of one projection portion of the first pair of projection portions and the first end portion. The bar defines a bar notch. The first side portion pivotably supports the bar for rotation between a first position in which the bar is not in contact the second side portion and a second position in which the bar notch receives the second side portion.02-11-2016
20160096041BRAKE BAR - A brake bar assembly having a U-shaped frame, a sliding friction bar positioned on the U-shaped frame near a closed end of the frame, a fixed friction bar attached to an open end of the U-shaped frame, and a lockable center bar assembly positioned on the U-shaped frame between the sliding friction bar and the fixed friction bar having a spring operated locking mechanism which allows the center bar to be releasably pivoted on the frame.04-07-2016
20160107728THREADLESS FAIRLEAD - A threadless fairlead assembly for a sailing vessel is provided, in which the C-shaped fairlead, or the double C-shaped body fairlead body has a channel which passes from the outside of the body to the aperture and is closed by a latch pin, this configuration allows a line to pass in and out of the assembly while remaining relatively parallel to the centerline of the aperture.04-21-2016
20160122163LINE STABILIZER - A stabilizer for a line may include a guide configured for arrangement on the line to resist and/or damp lateral motions of the line where the guide may include a guide jacket having a static sleeve configured to allow the line to pass through the guide and a fortifying bracket configured to reinforce the guide jacket and configured to interface with a hanging system to support the guide jacket and maintain the guide jacket in position on the line.05-05-2016
254390000 Including rotatable, cable contacting, pulley wheel element 57
20080197331High Load Connection System - A rigid high load lightweight block (08-21-2008
20090001333ELEVATOR ELEMENT FOR DRIVING OR REVERSING AN ELEVATOR SUSPENSION MEANS IN AN ELEVATOR SYSTEM - In an elevator element for driving or reversing an elevator suspension device in an elevator system, that interacts with an elevator suspension device, the arithmetic mean of the roughness value of the contact surface measured in the circumferential direction of the elevator element, and the mean roughness value of the contact surface measured in the axial direction of the elevator element, are different. The arithmetic mean roughness value of the contact surface measured in the circumferential direction of the elevator element is less than 1 micrometer.01-01-2009
20090057632Mechanical adjustment device of a pressing and guiding sheave assembly of an aerial rope of a mechanical lift installation - A mechanical adjustment device of a sheave assembly of a mechanical lift installation, where the sheave assembly is equipped with rotary sheaves mounted rotating on a support frame comprising a shoe fixed by clamping means to a support of a pylon of the installation, comprises adjustment means of the incline, obtained after clamping, of the support with respect to the shoe in a lateral direction oriented in a direction parallel to the axes of rotation of the sheaves.03-05-2009
20090114893Block with Improved Central Mounting - A block with a rotating sheave mounted between a pair of side plates. Captured between the side plates may be a post about which a mounting loop may be mounted. The post is removable from the between the side plates to permit the loop to be attached or detached from the block.05-07-2009
20090200530High Load Block Construction and Connection - A high load lightweight block assembly (08-13-2009
20110095248Formed Loft Block - The present invention is directed to a mounting member for use in a pulley assembly that is generally U-shaped and includes: (i) a side wall portion; (ii) a base portion; and (iii) a stiffness enhancement portion. The side wall portion is one vertical arm of the U-shape and serves to rotationally mount the pulley. The base portion is the bottom of the U-shape and is generally used to mount the to a structure (for example, a beam in a theatre). The stiffness enhancement portion is the other vertical arm of the U-shape and serves at least to enhance stiffness so that higher capacity pulley assemblies with unitary side plate/base plate members may be achieved.04-28-2011
20110114908WEAR AND CORROSION RESISTANT COATING HAVING A ROUGHENED SURFACE - An exemplary method of making a first component for contacting another component includes applying a wear and corrosion resistant material layer onto a surface of the first component. The wear and corrosion resistant material layer is then roughened subsequent to having been applied to the surface. A component comprises an exemplary elevator sheave that includes a metallic body having a sheave surface that is adapted to contact an elevator tension member. A corrosion resistant material layer on the sheave surface has a thickness that is greater than about 5 microns.05-19-2011
20110272655Hoist Apparatus - A screwable hoisting apparatus to aid in elevating objects is described. The apparatus is embedded into a tree with one hand while the tree climber is free to use his other hand to secure himself to the tree. A method for using the same is disclosed.11-10-2011
20120292583BLOCK - A block including first and second generally identical side plates that engage one another and rotatably capture a sheave between them. The side plates may includes interlocking tabs to secure the engagement between the side plates or a separate clip may be used to engage elements of the side plates to secure the plates to each other.11-22-2012
20120298939Grain Silo Safety Apparatus - An apparatus for rescuing persons and objects from a grain storage bin or similar structures. The apparatus is made up of a bottom frame, a hoisting frame, and at least one rear bracing member. The hoisting frame has a top horizontal member with at least one attachment location supporting a safety mechanism and a plurality of legs attached to the top horizontal member. The plurality of legs are rotatably attached to the bottom frame. The apparatus has at least one rear bracing member rotatably attached to the bottom frame and securably attached to an anchoring feature.11-29-2012
20120305870CABLE PULLEY - The present disclosure relates to a cable pulley with a circumferentially extending groove for guiding a cable, wherein the cable pulley has a modular design and includes a wheel-shaped carrier body and a ring-shaped groove body, wherein the carrier body is at least partly made of a composite material, optionally a fiber-reinforced plastic material, and wherein the groove body circumferentially surrounds the carrier body and includes the groove.12-06-2012
20130001491Device for Gripping and Installing Wire - A wire pulling grip easy and reliably grips wire for pulling the same through a conduit or the like. The grip has cams which maintain contact with the wire even when tension is not applied and regardless of the orientation of the grip, significantly reducing the likelihood that the connection with the wire is lost. The cams are selectively releasable to allow the wire to be easily removed from the grip.01-03-2013
20130048930RIVETED STRUCTURE FOR A PULLEY SEAT - An improved riveted structure for a pulley seat is provided. The riveted structure essentially includes a panel and a base. The bottom surface of the panel is bilaterally provided with hot-forged rivets, and the base is bilaterally provided with through holes corresponding in position to the rivets. The riveted structure is characterized in that the through holes of the base are elliptical to facilitate insertion of the rivets. In addition, a washer is mounted around each rivet before the rivets are stamped. Thus, once the rivets are stamped to connect the panel to the base, the stamped rivets leave no traces on the surface of the panel. Also, production efficiency and the riveting effect can both be increased.02-28-2013
20140264213Telescoping Boom Hoist System - A telescoping boom hoist system is a tree mounted system that provides a hunter with a facilitated means of raising and installing a tree stand. The telescoping boom hoist system is provided with a collapsible design that allows for facilitated transport and handling. The apparatus utilizes a telescopic boom and a frame assembly. The frame assembly provides a stable base for the apparatus. The telescopic boom is coupled to an axle member of the frame assembly, permitting the telescopic boom to pivot. The telescopic boom utilizes a plurality of guide rings that function as pulley or hoist anchor points. The telescoping boom extends the positioning of the guide rings in order to prevent interference while hoisting a tree stand. After installing the tree stand, the telescoping boom hoist system provides a means of safely raising a plurality of hunting equipment to the mounted tree stand.09-18-2014
20150291403FLEET ANGLE TOLERANT SHEAVE - A sheave may include a body portion with a circular circumference and defining a center plane, a bore extending through the body portion and configured for receiving a shaft and allowing the body portion to rotate in the center plane, and a rope groove arranged on the circular circumference including a radiused bottom with a first end and a second end and a pair of opposing sidewalls each extending directly and tangentially from one of the first and second end and having a curved profile.10-15-2015
20150345697FIXING ASSEMBLY OF A WINDOW REGULATOR PULLEY - The assembly allows the fixing of a pulley to a base and comprises a pulley and a support comprising a cylindrical shaft and a connecting element which can be connected to the base. The assembly comprises a support piece with a fixing part with a fixing orifice, and a support part the cylindrical shaft being secured by a second end to the support piece through the fixing orifice, and the support piece being in turn supported by the base through the support part which is designed to rest on the base, so that the cylindrical shaft is supported through its first end joined to the connecting element and its second end through the support piece, and so that the pulley is retained between the base and the support piece.12-03-2015
20160010744SHEAVE WITH STRUCTURED WEB01-14-2016
20160068377IMPROVED PULLEY FOR HIGH-EFFICIENCY WINCH - An improved pulley for a winch is described, in contact with at least one section of rope included between an inlet section connected to a working load and an outlet section connected to a resisting load, comprising a plurality of peripheral supports deformable depending on a length variation of such section of rope.03-10-2016
20160145082IMPROVED PULLEY FOR HIGH-EFFICIENCY WINCH - An improved pulley for winch is described, in contact with at least one section of rope included between an inlet section, connected to a working load, and an outlet section, with minimum or null tension, such pulley comprising a kinematic chain composed of peripheral supports.05-26-2016
20160152452PULLEY06-02-2016
20160167931AUTOMATED DEVICE FOR OPENING AND CLOSING METAL GOODS-TRANSPORTATION BOXES FOR STOWAGE ON SHIPS06-16-2016
254391000 With mechanism for retarding or preventing cable movement or element rotation 14
20080203371SELF-CAMMING PULLEY - A pulley is provided having a first plate and a second plate arranged adjacent to the first plate and connected to the first plate by an axle. An eccentrically mounted sheave is located between the first plate and the second plate and is adapted to freewheel in one direction only. The eccentrically mounted sheave is mounted eccentrically with respect to the axle. A fixed block is mounted between the first plate and the second plate and is adapted to fixedly lock a line between the fixed block and the eccentrically mounted sheave.08-28-2008
20090039326Device for guiding an aerial rope of a mechanical lift installation comprising means for automatic stopping of the installation - A device for guiding an aerial rope of a mechanical lift installation in which said rope, driven by a driving pulley set in motion by a drive motor, is equipped with roller sheaves for guiding the rope, mounted rotating on a support frame. Each guiding roller sheave comprises a sheave body delineating an annular groove at its periphery and a band with a high friction coefficient housed in the groove of the sheave body. The device comprises, associated with at least one of said sheaves, automatic detection means of a predefined wear threshold of the band of said associated sheave, and means for automatic stopping of said drive motor when said threshold is detected. The automatic detection means are formed by an electrically conducting element electrically insulated with respect to the sheave assembly and connected to the latter by fixing means in a transverse position where the rope automatically comes into contact with said element when the band of the associated sheave reaches the predefined wear threshold.02-12-2009
20090072209Ratchet block - The present invention provides a ratchet block with a block body 03-19-2009
20100025646CENTRIFUGALLY ACTUATED GOVERNOR - An assembly (02-04-2010
20110068311PULLEY APPARATUS - A pulley apparatus (03-24-2011
20110204306RATCHETED PULLEY APPARATUS - An apparatus and a system for improving rope tie downs is provided. The apparatus includes a new design whereby the apparatus has a thick walled nylon, aluminum and/or stainless steel body, with a tangential rib opposing the face wheel. The apparatus may have a gear on the wheel with a spring loaded cam for rotation which may allow for proper engagement of the cam along the tangential ribs of the wheel.08-25-2011
20120012800PULLEY WITH UNLOCKABLE CLAMP - A pulley with an unlockable clamp, comprising a rotary roller, a pivoting trigger designed to release and clamp the rope against the roller, and control means to keep the trigger in the inactive position disabling action of the clamp, 01-19-2012
20120061635LIFT ASSEMBLY - A lift system is provided. The lift system includes a lift mechanism with a jamming cleat and a guide bracket that urges a tensile member toward the jamming cleat.03-15-2012
20120241700Device that integrates an ascender with a pulley block - A device that integrates an ascender with a pulley block consisting of two side plates pivotally connected to one another and selectively opened or closed, for loading a rope into a rope channel defined therebetween. Affixed adjacent the rope channel is a selectively activated rope clamp, to hold or release a rope. A sheave adapted to freewheel on an axle, is positioned offset the rope channel, and is used for mechanical advantage rigging when ascending or rescue. Also, a link connection is located at or near the sheave and is used for the attachment of a foot loop or other connection for assisting in ascending on a rope.09-27-2012
20130043450LIFTING OR LOCKING SYSTEM AND METHOD - A lifting mechanism or locking mechanism includes a housing, an axle attached to the housing, and an element including a cam surface mounted for rotation on the axle. The distance between the cam surface and the housing changes between a maximum clearance distance and a minimum clearance distance as the element rotates about the axle. The lifting mechanism also includes a line which can be moved between a first position over the cam surface and a second position.02-21-2013
20130099186LIFTING OR LOCKING SYSTEM AND METHOD - A lifting mechanism or locking mechanism includes a housing, an axle attached to the housing, and an element including a cam surface mounted for rotation on the axle. The distance between the cam surface and the housing changes between a maximum clearance distance and a minimum clearance distance as the element rotates about the axle. The lifting mechanism also includes a line which can be moved between a first position over the cam surface and a second position.04-25-2013
20130277631Disabling System for Auto-Arresting Safety Device - An auto-arresting safety device, comprising a housing; a fall arrest system supported by the housing, and having a first component moveable with respect to a second component, the fall arrest system being actuatable in response to a load to arrest movement of the first component relative to the second component, the fall arrest system being resettable to restore movement of the first component relative to the second component upon the load being at least partially removed; and a disabling system operable to prevent resetting of the fall arrest system upon the load exceeding a threshold load, such that, when actuated, the disabling system renders the safety device inoperable.10-24-2013
20140034888PARACHUTE CORD TIE DOWN - A first sidewall includes a pair of threaded bosses nesting within corresponding cavities in a second sidewall. Bolts extend through the cavities into threaded engagement with the bosses to secure the sidewalls with one another. One of the bosses supports a knurled or toothed wheel for engagement with a parachute cord. A pivotable pawl having a knurled or toothed surface is pivotably supported on a shaft anchored in the sidewalls and spring biased toward the wheel into engagement with the parachute cord to prevent translation of the parachute cord in one direction. The other boss supports a hook or cord for anchoring the tie down to an anchor.02-06-2014
20140346420Fairlead Latch Device - A self-aligning fairlead latch device is provided for guiding and securing an anchor chain between an offshore structure and an anchor. The fairlead latch device includes a latch housing pivotally mounted to a fairlead housing. The latch housing includes one or more latches for securing the anchor chain in place. The fairlead latch device further includes an upper retainer component that is coupled to an upper support structure and a lower support structure. The coupling of the upper retainer component to the support structures allow the fairlead latch device to be relocated by lifting of the device from the support structures.11-27-2014
254392000 With fluid, shock absorbing or tension restoring mechanism connected thereto 1
20110266508TRANSMISSION MECHANISM - The invention relates to a transmission mechanism for a drive system, having at least one tensioning device and acting in two directions. For force transmission, the tractive device runs between a drive roll and an output roll, which are carried by a frame. A spring coupling is connected in the force transmission section between the drive roll and the output roll and has a nonlinear force-distance characteristic curve.11-03-2011
254393000 Plural elements or element with plural cable contacting regions 13
20090146120MODULAR LIFT ASSEMBLY HAVING TELESCOPING MEMBER - A modular lift assembly configured for attachment between two substantially parallel support beams includes a chassis, at least one lift component attached to the chassis, a telescoping or other adjustable stiffener, and at least one attachment assembly. The chassis has a plurality of grooves formed in one surface thereof. The telescoping or other adjustable stiffener is disposed in at least one of the grooves and engages facing surfaces of adjacent parallel support beams. The attachment assembly is disposed in another of the grooves formed in the chassis for engaging at least one of the adjacent support beams.06-11-2009
20110108787HOIST SYSTEM - A hoist system may comprise a collapsible frame, a mounting mechanism, and a pulley mechanism. The mounting mechanism may secure the collapsible frame onto a tree. The pulley mechanism may be operably coupled to the collapsible frame to help pull a load up the tree.05-12-2011
20130248790Apparatus for Spooling An Anchor Line - A spooling assembly is mountable between a marine anchor and a rotatable winch spool to facilitate spiral winding of the anchor line of the spool. The spooling assembly has an independent power source, which moves a chain and a trolley connected to the chain along a path substantially parallel to a longitudinal axis of the spool. The trolley has rotating element, between which the anchor line is engaged. The anchor line is oriented in a direction substantially transverse to the longitudinal axis of the spool. When the trolley moves to and fro along set tracks the anchor line is guided to wind on the winch spool in a spiral manner. An emergency release air clutch allows freespooling of the anchor.09-26-2013
254394000 At least two of the elements having noncollinear axes of rotation 9
20110140060SYSTEM AND METHOD FOR LOCATING A MAINTENANCE DEVICE APPROXIMATE AN AREA OF INTEREST OF A WIND TURBINE - A system and method are disclosed for locating a maintenance device approximate an area of interest of a wind turbine. The system generally includes a carriage configured to support the maintenance device and a cable having first and second ends attached to the carriage. Additionally, the system includes first and second anchor points, with the first anchor point being disposed adjacent to a component of the wind turbine. The second anchor point is spaced apart from the first anchor point such that the area of interest is generally disposed between the first and second anchor points. The cable may be coupled along its length between the first and second anchor points such that, as the cable is displaced, the carriage is moved to a position at which the area of interest is accessible to the maintenance device.06-16-2011
20110180771ELECTRIC MINING SHOVEL HOIST ROPE IMPACT-REDUCTION BOX - Disclosed is an impact-reduction box through which the hoisting ropes of a mining shovel or other machine pass. The impact-reduction box includes a roller frame subassembly and spring box subassemblies attached thereto on either side. The impact-reduction box is configured so that when the hoisting cables impact the box during undesirable whipping, the roller frame subassembly will move in reaction while the spring box subassemblies will remain essentially motionless. The mining shovel will feel less of the impact of the jolting hoisting rope, and the rope will not suffer the wear and tear of frequent slapping against the machine such that the rope will be less likely to completely break.07-28-2011
20130313497CABLE MAINTAINING DEVICE FOR CURTAINS - A curtain cable maintaining device includes a cable maintaining unit having a bottom board with a guide hole defined therethrough. A pulley set is connected on the bottom board and has a first pulley and a second pulley. The cable is wrapped to the scrolling unit, the mandrel unit, the first pulley and the second pulley, and extends through the guide hole. The cable does not contact the periphery of the guide hole so as to reduce the friction with the guide hole and the cable does not hook with the mandrel unit when moving.11-28-2013
20150048289VEHICLE COVERING APPARATUS - An apparatus for raising and lowering a vehicle cover is provided. The apparatus includes a flexible member having a first end and a second end, the flexible member configured to flex so that, with the first end positioned adjacent to a vehicle and the second and positioned generally higher than the vehicle, the second end raises the vehicle cover up from the vehicle and lowers the vehicle cover down towards the vehicle. The second end of the flexible member is configured to retain the vehicle cover.02-19-2015
254395000 Juxtaposed to cable at single locus 1
20140001428Low Profile Roller Fairlead01-02-2014
254398000 Having one element repositionable relative to another element 3
20150008382Motion Compensation System - A motion compensation system disposed on a structure of a drilling vessel. A stabilization assembly for use with the motion compensation system includes a first arm connectable to the structure, a first sheave connectable to the structure, a second arm connectable to the first arm, and a second sheave connectable to the second arm. At least one of the first arm and the first sheave are connectable to the structure at different locations and the first arm and the second sheave are connectable to the second arm at different locations.01-08-2015
254399000 Repositionable element supported by cable (e.g., traveling block) 2
20100032632Pulley - Embodiments of the present invention provide pulley apparatuses that can be easily incorporated into block-and-tackle configurations. In some embodiments, a rope can be easily dropped into place and removed, rather than having to be threaded in. For example, the pulley housing can include a rope channeling structure near the end opposite the aperture, and the rope channeling structure can facilitate introducing the rope into engagement with the wheel and/or removing the rope from engagement with the wheel. In some embodiments, the rope channeling structure can prevent the rope from inadvertently becoming removed from the pulley. Some pulley apparatuses can comprise a minimal number of parts, which can significantly simplify the manufacturing process and provide for a more consistent final product.02-11-2010
20110272656HOIST ROPE EQUALISER - A load equaliser for supporting a drag line bucket from first and second cables is disclosed. The load equalizer has a main body having a central portion and side portions providing respectively first and second clamps for clamping end portions of the first and second suspension cables. A rotatable mounting is provided in the suspension central portion of the main body. A link body is suspended below the main body and connected thereto through the rotatable mounting whereby freedom of relative rotational motion is provided at least about an axis substantially at right angles to the direction between the clamps. The rotatable mounting is in a zone extending substantially between the clamps.11-10-2011
254400000 Having axes perpendicular or skewed 1
20110168962CABLE GUIDING DEVICE - A cable guiding device includes a base, upper and lower guide members disposed along a longitudinal direction, in which two ends of the upper guide member are mounted on the base and two ends of the lower guide member are mounted on the base. A slider defining a central cavity is penetrated therethrough in a lateral direction substantially perpendicular to the longitudinal direction. Upper and lower movable members are fitted slidably over the upper and lower guide members respectively, in which two ends of the upper movable member are mounted on two longitudinal side walls of the slider, and two ends of the lower movable member are mounted on two longitudinal side walls of the slider respectively. Upper and lower guiding rollers are fitted rotatably over the upper and lower movable members and disposed within the central cavity respectively.07-14-2011
254401000 With portable block for elements and hand manipulated means for removably fastening block to support base or load 1
20090267039Combination double bottom block - The invention relates to a combination double bottom hook block in which two pulley blocks (10-29-2009
254405000 With block for element and portion thereof repositionable for insertion or removal of cable or for exposure of element 1
20150298945Breakaway Pulley - A breakaway pulley which opens and releases enclosed line when a knot in the line passes into the pulley. The pulley has two plates which are attached to each other by a hinge, with the hinge having a spring which urges the two plates apart. A pulley is on one plate, and a point of attachment is on the other pulley. The two plates are secured at the second end by a locking tooth which engages a notch, and which is released from engagement when the knot enters the pulley.10-22-2015
254409000 With portable block for element and hand manipulated means for removably fastening block to support or load 1
20100219389BLOCK WITH IMPROVED CENTRAL MOUNTING - A block with a rotating sheave mounted between a pair of side plates. Between the side plates may be a post about which a mounting loop may be mounted. The post is configured to permit the loop to be attached or detached from the block.09-02-2010
254413000 With means for affixing element to support base and allowing relative movement therebetween 2
20120018690CARABINEER WITH PULLEY WHEEL - A carabineer assembly is provided. The carabineer assembly includes a wheel having a central bore. The carabineer assembly includes a carabineer having a frame, wherein a portion of the frame forms a wheel axle that extends through the central bore. In some cases, the wheel comprises a first wheel half and a second wheel half, wherein the first wheel half and the second wheel half are configured to mate together to form a wheel having a central bore.01-26-2012
254415000 Including pivotal, rotational, or swivel connection 1
20090114894Universal Sheave Wheel Adapter - An assembly is provided that includes an oilwell rig; a sheave wheel adapter connected to the rig; a sheave wheel yoke connected to the adapter; and a sheave wheel connected to the yoke. In various embodiments of the invention, this assembly is configured to permit the wheel to rotate about three mutually perpendicular planes of motion.05-07-2009
254416000 With antifriction means for element 4
20110284812METHOD FOR INSTALLING A DOUBLE BEARING IN A CASTING, WHEEL COMPRISING A DOUBLE BEARING, AND JOINT WITH DOUBLE BEARING - A method for installing a casting double bearing in a casting, and a wheel manufactured according to the method are provided. The double bearing includes at least two bearing units that are essentially similar. The method includes at least the following phases: a double bearing is formed by disposing two bearings next to each other side-by-side and by placing a separator that forms a gap between the bearings such that the separator rests on at least one of outer surface of the outer rim of a bearing, and the separator part of the separator is disposed between the side surfaces that face each other of the outer rims of the bearings; the formed double bearing is placed in the casting mold in the correct position; and the casting is cast around the double bearing11-24-2011
20120228571ADVANCED ROLLING ELEMENT BLOCK - A block has a sheave (09-13-2012
20140070154SHEAVE BLOCK - A sheave block includes an internal ring, an external pulley wheel, which turns coaxially on the internal ring, rolling means set between the ring and the pulley wheel, and means of mutual axial retention of the ring and of the pulley wheel. The means of mutual axial retention have mutually facing integral races of the ring and of the pulley wheel in radial-axial contact with the rolling means. The internal ring has at least one angular area of localized increase of the radial distance between the integral races, where there is applied an insert for restoring said radial distance.03-13-2014
20140264214EQUALIZING RIGGING BLOCK FOR USE WITH A SYNTHETIC ROUNDSLING - An equalizing rigging block for use with a synthetic roundsling is disclosed. The rigging block includes in preferred embodiments (a) a flatter and wider sheave to better accommodate a wider or flatter cross-section synthetic roundsling; (b) higher side sections for the sheave; and (c) a plurality of stacked bearings along the rigging block axis to provide enhanced lateral stability of the rigging block. In preferred embodiments, the rigging block sheave is manufactured from a synthetic material, such as plastic. The equalizing rigging block exhibits improved characteristics of holding a synthetic roundsling within the rigging block, and of reducing wear and tear on the roundsling.09-18-2014

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