Patent ID: 6843149

Claim:
A mechanical gear shifting apparatus capable of connection to a gearbox, the apparatus comprising: a shifter frame, a shaft having a longitudinal axis and being mounted to the shifter frame in such a way that the shaft is rotatable about said longitudinal axis, a ratchet drum having teeth and being fixed to the shaft, a first cam disc having first and second opposite main faces and a first slot in the first main face, the first cam disc being fixed to the shaft for rotation therewith, a shifting lever connected to the shifter frame and being pivotable about a first axis in first and second opposite directions, first and second engagement means connected to the shifting lever and positioned for engaging the teeth of the ratchet drum, whereby pivotal movement of the shifting lever induces rotational movement of the shaft about the shaft's longitudinal axis, and a first pendant lever having a first end engageable to the gearbox and a first follower engaging the first slot.