Matches 101 - 150 out of 271 < 1 2 3 4 5 6 >
Match Document Document Title
6203459 Bicycle derailleur system with integral flexible seal to protect moving parts from contaminants  
A combination includes a derailleur having a chain cage engaging a bicycle chain, a clamping head clamping the derailleur to a bicycle frame and including an opening therethrough, a controller...
6190275 Bicycle chain anti-snare device  
An anti-snare device including a roller dimensioned and positioned to deflect away, and thereby prevent, a bouncing bicycle chain from contacting the lower-rear quadrant of a chain ring gear when...
6162140 Motor driven derailleur  
A motor driven derailleur includes a base member; a movable member; and a linkage mechanism including a link member coupled to the base member and to the movable member so that the movable member...
6158294 Automatic transmission for bicycle  
An automatic transmission for bicycle including a support shaft with an interior created by a hollow shaft having a long hole drilled thereinto, and fixed grooves formed on its outer surface at...
6159119 Gas actuating mechanism for a bicycle derailleur  
A gas actuated derailleur for a bicycle includes a base member, a movable member supporting a chain guide, a coupling mechanism coupling the base member to the movable member so that the movable...
6149541 Gas actuated derailleur having an indexing mechanism for setting a chain guide in a plurality of fixed positions  
A gas actuated derailleur for a bicycle includes a base member, a movable member supporting a chain guide, a coupling mechanism coupling the base member to the movable member so that the movable...
6146294 Method and device for the operation of a flexible drive mechanism  
A belt transmission having an adjustable transmission ratio and a drive end and an output end. The belt of the belt transmission establishes an operative mechanical connection where the slip can be...
6142899 Electro-motive gear-shift control apparatus for bicycles  
An electromotive gear-shift control apparatus for bicycles, which is to be used in a bicycle provided with a gear-shift apparatus; the driving force for such apparatus is furnished with the power...
6135903 Tension and guiding device of a chain for bicycle change speed gear  
6132327 System and method for controlling a bicycle front derailleur  
A system for controlling the front derailleur of a bicycle is described, in which electronic control mechanism are provided for displaying the identifying number of the selected front gear on an...
6117032 Protective plate for bicycle chain  
A protective plate for attachment to a bicycle frame for guiding a chain includes a plate body having a first side for facing laterally toward the bicycle frame, a second side for facing laterally...
RE36830 Low-friction derailleur cable router  
A derailleur cable router changes the direction of a derailleur cable operatively attached to a rear derailleur to a bicycle frame. The rear derailleur is actuated by variation in tension applied...
6093122 Hybrid spring for bicycle derailleurs  
A parallelogram link mechanism of a bicycle derailleur has a coil spring tensioned from a first axis of the parallelogram to another axis thereof that is diametrically opposed to the first axis....
6045470 Front derailleur with chainline controlling idler cog  
A front derailleur for shifting gears on a chain driven bicycle, the chain having a drive run and a return run from a plurality of chainwheels, uses a chain supporting idler cog to vertically...
6042495 Hydraulically-operated bicycle shifting and braking systems  
A family of new bicycle shifting systems incorporate improved derailleur designs that are controlled by sealed hydraulic actuators. The shifting systems (i) a hydraulically-actuated,...
6022284 Apparatus for changing gear ratio in bicycles, especially in race bicycles  
Apparatus for changing bicycle gear ratios comprising pedals (1) to the shaft (3) of which a group of coaxial overdrive gears is fixed, with at least an overdrive gear (20) of larger diameter and...
6015360 Automatic gearshifting device of multi-stage fly wheel of bicycle  
An automatic gearshifting device of a bicycle multi-stage fly wheel is composed of a main body, a rotary shaft, an urging member, a plurality of weights located in a receiving cell of the main...
6009771 Chain switching device for bicycles  
A device for switching a chain on different sprockets of a pedal bearing mounted to a seat tube of a frame of a bicycle. The chain switching device includes a cage which can be economically...
6007441 Automatic gear shifting mechanism for multi-speed manually powered vehicles  
An automatic gear shifting device for multi-speed bicycles. According to the invention, the device comprises a centrifugal force gear shifting mechanism which is controlled by the pedaling cadence...
5961409 Rear derailleur for a bicycle  
A rear derailleur includes a transformable linkage mechanism including a base member, two linkage members and a movable member. A chain guide is supported to the movable member and is provided with...
5946978 Cable adjustment device  
A cable adjustment device changes the effective length or tension of a control cable which extends between an actuating mechanism and a device to be operated thereby. In the case of a bicycle, the...
5931753 Rear deraileur with shock absorber  
A bicycle derailleur for attachment to a bicycle frame includes a base member apparatus having a first projection and a coupling member for coupling the base member apparatus to the bicycle frame....
5897451 Bicycle derailleur having operating forces disposed on opposite sides of a link pivot  
A bicycle derailleur includes a base member, a movable member supporting a chain guide, and a first link having first and second ends. The first end of the first link is movably mounted to the base...
5876296 Gear shifting sprocket set for bicycle chain wheel  
A bicycle sprocket set is composed of a small sprocket and a large sprocket coaxial with the small sprocket. The large sprocket is provided with an axially oriented recess in the bottom portion...
5865698 Rear derailleur for use in bicycles  
An improved rear derailleur for changing the gear ratio of a bicycle is disclosed. It includes a fixed member, a movable member, a parallelogram mechanism connecting the fixed member with the...
5857931 Traveling chain derailer  
A traveling chain mechanism has spaced sprockets with an endless chain trained around them. A traveling chain is transferable between the sprockets radially inward of the endless chain. The speed...
5855529 Apparatus for guiding a control cable  
An apparatus for guiding a cable includes a frame and a cable guide member mounted to the frame for rotation around a guide member axis. The cable guide member includes a curved outer peripheral...
5846148 Bicycle front derailleur  
A bicycle front derailleur includes a frame bracket for fixing the derailleur to a bicycle frame, a cage plate for guiding a chain among a plurality of chainwheels, and a radial adjustment...
5836844 Rear derailleur for a bicycle  
A rear derailleur for a bicycle is disclosed herein which basically includes a derailleur body which is coupled to the frame of a bicycle via a bracket axle assembly, and a chain guide assembly...
5779580 Front bicycle derailleur  
A front derailleur for a bicycle as well as a system including the combination of a front derailleur and shifter. The derailleur includes a fixing member securedly attached to a seat tube of a...
5779581 Top pull front derailleur  
A bicycle front derailleur includes a base member for attachment to a bicycle frame, a chain guide for guiding a chain laterally inwardly and outwardly of the bicycle frame, an inner link member...
5762575 Lock mechanism for a traveling chain  
A chain drive mechanism has spaced sprockets about which is trained an endless chain. A traveling chain is disposed radially inward of the endless chain and encircles one or the other of the...
5730670 Bicycle transmission assembly  
Transmission assembly, particularly for bicycles or the like, having an inside box-like body, a first chain ring associated with a pedal crank shaft and connected to a pinion by a first chain, and...
5728017 Electronic transmission control system for a bicycle or the like  
An electro-mechanical system for shifting gears on a multi-gear bicycle or other human-powered vehicle includes a closed loop derailleur position control system using circuitry for measuring...
5728018 Method and apparatus for positioning a bicycle derailleur chain guide  
A bicycle derailer of the type wherein a movable derailer member moves relative to another member for positioning the chain guide relative to a first sprocket and a second sprocket. An indicating...
5711731 Bicycle rear derailleur jockey pulley  
A bicycle rear derailleur jockey pulley assembly includes a cogwheel supported on a bearing. The bearing includes an outer ring supporting the cogwheel, an inner ring disposed radially inwardly of...
5688200 Linear bicycle derailleur  
A derailleur for a bicycle for changing the speed of the bicycle. The derailleur can be distinguished from prior parallelogram designs in employing stationary guide rods over which a pulley wheel...
5674142 Control cable adjustment device  
An improved two piece control cable adjustment device for offsetting a change of relative length between the outer sheath and control wire of a control cable operatively linking a control mechanism...
5669840 Tension device for bicycle derailleur  
A tension device is secured to a derailleur system of a bicycle having a frame pivotally coupled to the bicycle for supporting a sprocket and for engaging with a chain. The tension device includes...
5660407 Auxiliary chain tension system for bicycles  
An auxiliary chain tension system for a rear derailleur in a bicycle, the auxiliary chain tension system being composed of: an elongated member having two opposed ends, one end being formed to...
5655982 Hydraulic shifting system for rider propelled vehicle  
A shiftable variable ratio sprocket chain drive for rider propelled vehicles, such as bicycles, and for other uses has a shifting mechanism, such as a derailleur mechanism or a gear mechanism, a...
5649877 Linear derailleur  
A linear derailleur for positioning a drive chain in response to displacement of a plurality of control cables. The derailleur includes a linear actuator having a substantially uniform actuation...
5620383 Bicycle derailleur and actuating system  
A bicycle derailleur gear shifting system having a rotatable handgrip actuator coupled with a derailleur shifting mechanism through a control cable system so as to control the derailleur. The...
5618241 Bicycle shifting device  
A shift control device includes a movable member having a cable support for supporting the transmission cable, wherein the movable member moves as the shifting device actuates the transmission. An...
5571056 Derailleur cable collet  
The derailleur cable-collet system is an automatic pedal-rate to wheel-rate adjusting system. Pedal pressure is sensed at the crankshaft hub and electronically compared to pedal-pressure threshold...
5533937 Bicycle derailleur  
A rear derailleur (50) is provided with an arcuate cable entraining surface (78) which substantially reduces the variation and magnitude of the actuation ratio between control cable linear...
5514041 Electronic bicycle derailleur control apparatus  
A bicycle derailleur control apparatus includes at least one input device for setting a derailleur position of at least one derailleur, at least a transmission device connected to the derailleur...
5498211 Bicycle speed change mechanisms  
An improved form of bicycle speed change mechanism, characterized in that, a speed change support is installed to sustain and keep a bicycle chain at a fixed tension; a stop ring installed on the...
5494307 Gear shifting apparatus  
A bicycle frame supports a sprocket, front and rear wheels and first gears axially aligned with the rear wheel. Each gear has an individual ratio with the sprocket. At a first end, a support is...
5480356 Speed change device for bicycles  
A powered control device for speed change in a bicycle comprises an electric motor directly mounted onto the rear derailleur and is provided with an encoder for detecting the position of the rear...
Matches 101 - 150 out of 271 < 1 2 3 4 5 6 >