Patent ID: 7954592
Filing Date: 2011-06-07
Classification: E02F,F16H,Y10T

Abstract:
1. A work vehicle comprising: an engine; a traveling device; a hydrostatic stepless change speed device for transmitting power from the engine to the traveling device; a change speed pedal mechanism operable, in a forward facing position, to change speeds of the hydrostatic stepless change speed device; a travel-control lever provided at a rear position of a vehicle body and operable in a rearward facing position; and a mechanical interlocking mechanism for linking the travel-control lever and the change speed pedal mechanism so as to allow the travel-control lever to control the hydrostatic stepless change speed device through the change speed pedal mechanism; wherein the change speed pedal mechanism includes a rotatable change speed pedal and a cam mechanism linked to the change speed pedal, the cam mechanism comprising: wherein when the change speed pedal is rotated in either direction one cam surface and the positioning roller become spaced apart while the other cam surface and the positioning roller remain in contact with each other under the force of the positioning spring.