Patent ID: 6973850

Claim:
A transmission gear shift (TGS) lever device having a variable select lever ratio, the device comprising: an extender mounted on a select arm of a gear shift lever; a select lever movably coupled to said extender for varying rotation movement of said select arm; linear moving means for selectively and linearly moving said select lever along a protruding direction of said select arm; a piston formed at a rotating axle of said select lever for forcing the rotating axle of said select lever along the protruding direction of said select arm relative to a transmission gear shift housing; an operation cylinder secured at said transmission gear shift housing for guiding said piston for reciprocal linear movement; and a spring from resiliently supporting said piston in an opposite direction to the protruding direction of said select arm; an oil pressure providing means for selectively supplying said oil pressure to said operation cylinder, wherein said oil pressure providing means comprises: a clutch master cylinder; an accumulator; and an oil passage switching valve for switching between a state where oil pressure of said oil pressure generating means is supplied to said operation cylinder and a state where the oil pressure is supplied to said accumulator.