Tractor hitch

Details Tractor hitch Tractor hitch

1984-11-19

1986-07-22

Love, John J.

Land vehicles

Wheeled

Articulated vehicle

172450, 280461A, 280474, A01B 59043

Patent

active

046014861

ABSTRACT:
A tractor hitch in which a pair of lower implement attachment links (10) are stabilized by a pair of sway blocks (16) with rubbing surfaces (16a) which cooperate with the links or rubbing blocks (30) on the links to control the amount of sidesway of the links. Each sway block (16) is mounted adjacent its upper end on the tractor by a mounting device (17,18,19,20,21,24) which allows the block to pivot generally in a transverse plane relative to the tractor and adjustment devices (25,26,27,27',28) are provided at the lower end of each sway block to allow the angle of pivot of the block to be continuously adjusted to set the amount of permitted side sway of the links when the links contact the lower ends of the blocks. The spacing (X) between the rubbing surfaces (16a) at the upper ends of the sway block (16) is also adjustable and shock cushioning (31) may be included in the mounting device of the sway blocks to cushion the links against sideways loading arising from loads carried by the links.

REFERENCES:
patent: 2746770 (1956-05-01), Sorensen
patent: 2775180 (1956-12-01), DuShane
patent: 2935147 (1960-05-01), Edmar et al.
patent: 4265464 (1981-05-01), Lange
patent: 4470613 (1984-09-01), Sykes

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