Hook for actuating pull up hitch

Details Hook for actuating pull up hitch Hook for actuating pull up hitch

1995-03-23

1996-05-21

Keenan, James W.

Material or article handling

Loading or unloading a railway car by utilizing the tractor...

414339, 410 59, B61D 318

Patent

active

055183549

ABSTRACT:
A stanchion is provided with a latch system which is operable from the tractor which positions the trailers such that a gate on the tractor locks and unlocks the latch to appropriately reposition the stanchion during the positioning of the trailer. The tractor also includes a hook which engages the stand to raise the stand during loading of the trailer from its lowered to its raised position to engage and secure the tractor and also to reposition the unlocked stand during unloading of the trailer.

REFERENCES:
patent: 3016025 (1962-01-01), Clejan
patent: 3035801 (1962-05-01), Mangels
patent: 3225707 (1965-12-01), Rollins et al.
patent: 3236194 (1966-02-01), Vivian
patent: 3353505 (1967-11-01), Rollins et al.
patent: 3424107 (1969-01-01), Rollins
patent: 3486467 (1969-12-01), Coulson
patent: 4718800 (1988-01-01), Engle
patent: 5112172 (1992-05-01), Engle

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