Matches 1 - 9 out of 9

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US20110203408 Quick release pedal mounting structure and system  
A releasable pedal mounting system having a pedal adapter that is adapted to engage a pedal and a pedal support member that is engageable to an apparatus, the support member including pedal...
US20070234846 Variable geared bicycle pedal  
A pedal propulsion mechanism has a first crank arm mechanically connecting to a first gear set and a drive wheel. A second crank arm mechanically connects to a second gear set and the drive wheel....
US20050050987 Crank apparatus for manually powered cycles  
A crank apparatus for a manually powered cycle comprises a crank assembly and a pair of guide devices. The crank assembly includes a shaft, a first crank lever attached to a first end of the shaft...
US20090183592 Chain drive transmission, propelled by bent and prolonged levers - configurable mechanism  
A configurable chain drive transmission, which is propelled by two bent, prolonged, and extendable levers, that can be attached on to an existing chain drive transmission found on bicycles,...
US20060288819 Coupling profile between a central axle of a bottom bracket of bicycle transmission and a pedal crank  
A coupling profile has, in a plane transversal to the axis of the bottom bracket, outer arcs belonging to the same outer circumference of the coupling, each of such outer arcs being flanked and...
US20140216205 Crank Assembly  
The invention is a crank assembly designed to allow the length of the crank arms to vary throughout the revolution of the crank. A spindle is attached to the bottom bracket assembly of a bicycle....
US20150203171 Bicycle Pedal Mechanism  
A pedal assembly mountable on a bicycle crank arm associated with a bicycle drive assembly; the pedal assembly comprising: a pedal which is operably connected to a retaining member; the retaining...
US20100251850 Crank Transmission Mechanism with Elliptical Trace  
A crank transmission mechanism includes a crank unit having a rail portion connected to an end thereof and a guide member is connected with a shaft which is connected with a disk. The rail portion...
US20160355232 A CYCLING AID  
A crank arm for a bicycle chainset is provided. The arm comprises means for varying crank length during rotation, whereby to gain mechanical advantage.
Matches 1 - 9 out of 9