Locking safety device for tractor hitch

Details Locking safety device for tractor hitch Locking safety device for tractor hitch

2006-05-02

2006-05-02

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S506000, C280S515000

Reexamination Certificate

active

07036841

ABSTRACT:
A safety device (20) for maintaining in place a pin (30) retaining a double hand attach (22) of a trailer hitch to a tractor or truck tow bar (24). The device prevents the release of the pin during the transport of the trailer by having a superior plate (34) above the pin limiting the vertical movement of the pin avoiding the popping out. The attaching and the detaching of the device is done because the superior plate may pivot when the pin is released and is maintained in place by a latch (36) that has a counterweight (38). The latch is then rocked and kept closed with the action of gravity. The device comprises also fitting screws (52, 74) allowing to adapt the safety device to several sizes and thicknesses of the different tow bars used on tractors and trucks nowadays so that the device fits any trailer of a farmer yard.

REFERENCES:
patent: 5427399 (1995-06-01), Olson

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