Patent ID: 7658235
Filing Date: 2010-02-09
Classification: A01B,B60K,B62D,E02F,Y10S

Abstract:
1. A three-point hitch assembly for a utility vehicle, the three-point hitch assembly comprising: an upper link; a pair of lift arms; a pair of lower links coupled to the lift arms; a rock shaft to which each of the lift arms is fixedly connected; a hydraulic cylinder having a rod and a body; an actuator arm coupling the rod end of the hydraulic cylinder to the rock shaft to transfer a force from the hydraulic cylinder to rotate the rock shaft and thereby lift the pair of lift arms, wherein the actuator arm includes a first end portion coupled to the rod of the hydraulic cylinder and a second end portion having an aperture therethrough, the rock shaft being rotatably received within the aperture; and a float mechanism including a float block fixed to the rock shaft, wherein the float mechanism includes a slot in one of the float block and the actuator arm and a protrusion for engaging the other of the float block and the actuator arm to permit the rock shaft limited rotational movement with respect to the actuator arm.