Snowblower hydraulic chute rotation assembly

Details Snowblower hydraulic chute rotation assembly Snowblower hydraulic chute rotation assembly

1982-09-29

1983-10-18

Eickholt, E. H.

Excavating

Snow or ice removing or grooming by portable device

Motorized rotary excavating tool

193 22, 285272, 74 8922, E01H 509

Patent

active

044097484

ABSTRACT:
The rotation assembly is comprised of a frame structure having a top surface. A longitudinal slot is formed along the top surface extending therethrough. A first pulley and second pulley are rotatably mounted to the top surface of the frame such that the slot is generally therebetween. A hydraulic cylinder is fixably mounted to the frame and has a pin extending through the cylinder arm of the hydraulic cylinder and the slot. Rotatably mounted on the pin atop the frame surface is a third pulley, such that activation of the cylinder arm causes the third pulley to travel along a path defined by the slot. The frame is fixably mounted to the rear of the snowblower housing. A first and second cable is fixably attached at one end to the side of the snowblower chute. The cables are looped around the pulleys in such a manner that activation of the cylinder causes the relative length of the cables with respect to the pulleys to vary, resulting in the rotation of the snowblower chute.

REFERENCES:
patent: 497706 (1893-05-01), Chase
patent: 2859629 (1958-11-01), Parker et al.
patent: 3273408 (1966-09-01), Nagel et al.
patent: 3509977 (1970-05-01), Bacon
patent: 3570641 (1971-03-01), Lefeuvre et al.
patent: 3726029 (1973-04-01), Deen et al.
patent: 3780455 (1973-12-01), Stevenson
patent: 4158923 (1979-06-01), Steiner et al.

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