Swivelling extender tow hitch and method of centering and...

Details Swivelling extender tow hitch and method of centering and... Swivelling extender tow hitch and method of centering and...

2008-03-04

2008-03-04

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S489000, C280S488000

Reexamination Certificate

active

11029530

ABSTRACT:
A tow hitch for a vehicle with adjustments which simplify the coupling process. During coupling a draw bar, slideably positioned in a housing pocket, is afforded continuous adjustment latitude in both a left to right and front to back arc. Even if the vehicles are coupled at an angle, guide pins, confined by openings in the housing, move with the bar and respond to vehicle movement for an aligned locking and tow. An automatic locking pin secures the tow hitch, and a detector device detects the proper coupling.

REFERENCES:
patent: 4951957 (1990-08-01), Gullickson
patent: 5277447 (1994-01-01), Blaser
patent: 5322315 (1994-06-01), Carsten
patent: 5547210 (1996-08-01), Dugger
patent: 6527292 (2003-03-01), Adair
patent: 6722380 (2004-04-01), Hafer
patent: 2003/0218314 (2003-11-01), Moss

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