Motor grader blade clamping mechanism

Details Motor grader blade clamping mechanism Motor grader blade clamping mechanism

E - Fixed Constructions

02

F

37/41

E02F 3/76 (2006.01)

Patent

CA 1048263

MOTOR GRADER BLADE CLAMPING MECHANISM A B S T R A C T An improved blade clamping mechanism for a motor grader blade which has blade support rails carried in pivoted blade support means for lateral sliding movement, and in which confining surfaces in the blade support means restrict both vertical and fore-and-aft movement of the rails in the support means. A clamp lever is pivoted on the circle of the motor grader and has a clamp arm which can be turned in a vertical plane against the bottom of the lower support rail with a high mechanical advantage to force the rail against an overlying confining surface; and a single action hydraulic cylinder and piston unit which turns the lever simultaneously presses a clamp shoe against the rear of the upper support rail. The clamps are normally locked by hydraulic pressure on the piston, and released by moving a manually controlled valve to a drain position so that a return spring acting on the clamp shoe can move the shoe and the lever to a release position.

271311

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