Change-speed apparatus for a tractor

Details Change-speed apparatus for a tractor Change-speed apparatus for a tractor

F - Mech Eng,Light,Heat,Weapons

16

H

142/4

F16H 61/18 (2006.01) F16H 59/02 (2006.01)

Patent

CA 1190120

ABSTRACT OF THE DISCLOSURE A change-speed apparatus for transmitting engine power to a set of driving wheels of a tractor via a main change-speed mechanism, an auxiliary change-speed mechanism and a forward-and-reverse travel selector mechanism. The mechanisms are arranged in series in a fore-and-aft direction of a transmission case of the tractor and a shifter lever for the selector mechanism is disposed in juxtaposition to a main change-speed lever for the main change-speed mechanism. Potentially dangerous high speed shifting in either a forward or reverse direction is prevented by a restraining mechanism that automatically inhibits simultaneous shifting of the main change- speed mechanism to the highest speed, the forward-and-reverse travel selector mechanism to reverse and the auxiliary change- speed mechanism to a high speed range.

388808

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