C3b

France

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IPC Class
B62M 3/00 - Construction of cranks operated by hand or foot 1
B62M 3/06 - Construction of cranks operated by hand or foot with elliptical or other non-circular rotary movement 1
B62M 9/06 - Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like 1
B62M 9/08 - Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically-mounted or elliptically-shaped driving or driven wheelTransmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like with expansible driving or driven wheel 1
Found results for  patents

1.

Cycle crankset with self-positioned floating chainring

      
Application Number 16091218
Grant Number 10562587
Status In Force
Filing Date 2017-04-04
First Publication Date 2019-04-18
Grant Date 2020-02-18
Owner C3B (France)
Inventor Cerdan, Jacques

Abstract

A cycle crankset, comprising independent cranks articulated around a crank axis and each having a pedal axis, a cam pivotably mounted about the crank axis, and a chainring assembly pivotably mounted about the cam about an axis parallel to the crank axis, the cranks being connected to the chainring assembly via connecting rods, the articulation point between each of the cranks and one of the connecting rods being located on the portion of the crank opposite the pedal axis relative to the crank axis.

IPC Classes  ?

  • B62M 3/00 - Construction of cranks operated by hand or foot
  • B62M 9/06 - Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
  • B62M 3/06 - Construction of cranks operated by hand or foot with elliptical or other non-circular rotary movement
  • B62M 9/08 - Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically-mounted or elliptically-shaped driving or driven wheelTransmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like with expansible driving or driven wheel