Matches 1 - 35 out of 35


Match Document Document Title
US20130126292 RATCHET HUB  
A ratchet hub using a magnetic force for restoration as disclosed has a freewheel unit and a ratchet ring thereof forming a unidirectional ratchet mechanism and a magnetic assembly using a...
US20130126293 RATCHET CYLINDER FOR A BICYCLE HUB  
A ratchet cylinder for a bicycle hub is provided with a cylinder member, a plurality of ratchet teeth, a plurality of springs and a C-ring. The C-ring circles around the connecting end of the...
US20110168513 FREEWHEEL STRUCTURE  
A freewheel structure includes a freewheel. The freewheel has a teethed portion formed on an outer periphery thereof for adapting to engage with a bicycle chain. The freewheel has a pivotal hole...
US20130299295 Hub and its Ratchet Wheel  
A hub includes an arbor shaft, a ratchet wheel, an internally-toothed ring, a shell, a clutch member and a second spring. The ratchet wheel includes at least one chain wheel, a plurality of...
US20110168514 RATCHET HUB DEVICE  
A ratchet hub device, which can be quickly meshed to drive a bicycle, includes a hub shell, a ratchet cylinder, and an axle. There are plural tooth sockets and two groups of receiving notches...
US20090255774 RATCHET GEAR DEVICE FOR A BICYCLE REAR WHEEL  
A ratchet gear device is applied for a bicycle rear wheel having a wheel axle and a hub mounted on the wheel axle, and the ratchet gear device has a freewheel, a collar, a ratchet ring and at...
US20050173218 Crank with freewheel  
A crank has a crank arm (3) and a freewheel element (1, 2) for fastening the crank arm (3) on a crankshaft. When the crank arm (3) is rotated in a first direction, a torque is transmitted to the...
US20060231366 One-way transmission device for a hub of a rear wheel of a bicycle, pawl carrying body for such device and hub comprising such device  
A one-way transmission device for a hub of a rear wheel of a bicycle is presented. The device has a pawl carrying body and a plurality of pawls housed in respective seats formed on a pawl carrying...
US20080289927 BICYCLE SPROCKET ASSEMBLY WITH CHAIN PROTECTOR  
A bicycle sprocket assembly includes a sprocket element and a chain protector. The sprocket element has a plurality of teeth disposed on an outer periphery about a center rotation axis and at...
US20150202919 BICYCLE HUB  
A bicycle hub basically has a hub axle, a hub shell, a sprocket support body, a first ratchet member and a second ratchet member. The hub shell is rotatably mounted on a hub axle about a...
US20070089958 Bicycle freewheel  
A bicycle one-way rotation transmission mechanism is used in a bicycle hub having a hub axle. The one-way rotation transmission has an inner tubular member rotatably mounted on the hub axle, an...
US20090191996 COGSET ASSEMBLY FOR A BICYCLE  
A bicycle hub assembly comprises a shaft, a first load bearing adjacent said shaft, a hub main body surrounding said shaft, and a cogset. The cogset can define an inner surface, and the inner...
US20050023101 Ratchet pawl of flywheel  
A ratchet pawl of flywheel is disclosed. The present invention relates to a cap structure of a chafing cup. The ratchet pawl of flywheel comprises a wheel seat mounted with a ratchet block module...
US20050029071 Noise-free sprocket wheel  
A bicycle sprocket wheel has a sprocket wheel body provided with teeth formed on an outer periphery thereof to adapt to a bicycle chain so as to be driven to rotate by the bicycle chain, a driving...
US20110220450 HUB RATCHET DRIVING DEVICE FOR BICYCLES  
A hub ratchet driving assembly includes a hub and a driving member is connected to an end of the hub. The driving member includes a driving portion which has first and second recesses defined in...
US20110094846 BICYCLE HUB  
A bicycle hub comprises: a housing, a driving base in the housing, and an engaging unit for the driving base to drive the housing in a single direction. The engaging unit consists of several claws...
US20070289836 Bicycle hub having pawl retaining function  
A hub for a bicycle includes a hub body having ratchet teeth, a ratchet barrel having positioning grooves, a plurality of pawl members pivotally mounted in the positioning grooves of the ratchet...
US20130092496 HUB ASSEMBLY WITH RATCHET MEMBER MOVABLE IN ONE DIRECTION  
A ratchet mechanism of a hub assembly is located between the hub and the tubular portion, and includes a driving member which is movable linearly in the tubular portion. One side of the driving...
US20120048671 Hub, in particular for rear bicycle wheel  
Wheel hub, in particular bicycle rear wheel hub, comprising hub shell and freewheel shell both supported by bearings to be rotatable relative to the hub axle, where the hub shell is slidingly...
US20140326568 Freewheel Hub Comprising a Magneto-Elastic Sensor and Bicycle, Pedelec, fast Pedelec or E-bike Comprising the Freewheel Hub  
A freewheel hub and a bicycle, pedelec, fast pedelec or e-bike comprising this freewheel hub is provided. The freewheel hub comprises a rotating hub shell for carrying a free running wheel. Torque...
US20130233667 REINFORCEMENT STRUCTURE FOR BEARINGS IN BICYCLE HUB  
A reinforcement structure for bearings of a bicycle hub assembly includes a hub and an axle extends through the hub. A connection portion is defined in one end of the hub. A ratchet sleeve has a...
US20120285785 RATCHET MECHANISM FOR BICYCLE HUB  
A ratchet mechanism of a bicycle hub includes a ring fixed in the hub. The ring has a tapered surface and a flange is formed in the inner periphery of the ring. A driving unit is located in the...
US20080000748 Sprocket  
A sprocket has an inner collar, an outer collar and a unidirectional device. The outer collar is mounted around the inner collar and has an annular channel and a teeth plate. The annular channel...
US20130092495 HUB ASSEMBLY WITH THE RATCHET MEMBER MOVABLE IN TWO DIRECTIONS  
A hub assembly includes a ratchet mechanism located between the hub and the tubular portion on one end of the hub, and including a driving member which is located in the tubular portion and is...
US20140060992 HUB FOR AT LEAST PARTIALLY MUSCLE-POWERED VEHICLES  
A hub for at least partially muscle-powered vehicles having a hub axle, a hub body, a rotatable driving device, and a freewheel device. The freewheel device includes a first and a second...
US20130043102 High Efficiency Bicycle Hub  
A high efficiency bicycle hub for near frictionless free wheeling comprising a hub having a toothed engagement ring, a driver having a retractable engagement member that can engage and disengage...
US20050183920 Ratchet paw module structure  
A ratchet paw module structure is disclosed. The ratchet paw module is characterized in that the ratchet paw module has a first and second teeth slot formed at the ratchet block seat corresponding...
US20110220449 BICYCLE HUB ASSEMBLY WITH TWO BEARINGS  
A bicycle hub assembly includes a hub having a driving tube connected one end thereof and the driving tube includes a ratchet portion and a sprocket portion respectively defined in an outer...
US20110073430 Bicycle hub having pawl retaining function  
A bicycle hub having pawl retaining function comprises a hub body including a ratchet face disposed on one end thereof to fit a ratchet barrel, the ratchet barrel including a positioning holder...
US20120032498 HUB WITH STAR RATCHET  
The present invention relates to a rear wheel hub for a bicycle, a rear wheel for a bicycle, and a bicycle. In order to provide a rear wheel hub which, with a further reduction in weight, still...
US20100252389 High Efficiency Bicycle Hub  
A high efficiency bicycle hub for near frictionless free wheeling comprising a hub having a toothed engagement ring, a driver having a retractable engagement member that can engage and disengage...
US20100122886 Bicycle Hub That Will Not Drive the Pedal and Will Not Produce Noise When The Hub is Rotated in the Backward Direction  
A hub for a bicycle includes a shaft, a hub body, a ratchet wheel, a damper, a drive seat, a plurality of pawl members, and a plurality of elastic plates. The ratchet wheel has a plurality of...
US20110214961 Bicycle Hub Assembly with Quickly Switching Function  
A hub assembly includes a shaft, a hub mounted on the shaft and having a plurality of locking grooves, a driven ring mounted in the hub and having a plurality of oneway ratchet teeth, a drive seat...
US20100264619 Bicycle pedaling system  
The bicycle pedaling system includes a weighted outer disc having a bicycle chain sprocket(s) mounted on one side, the outer disc having a central bore with a plurality of ratchet teeth projecting...
US20150352898 BICYCLE FREECOASTER HUB  
A bicycle freecoaster hub includes a clutch to provide a clutching effect during riding. The clutch has a clutch member, and first and second resistance members. The first resistance member is...

Matches 1 - 35 out of 35