Adjustable hitch

Details Adjustable hitch Adjustable hitch

2007-09-04

2007-09-04

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S491100, C280S477000, C280S461100, C280S510000

Reexamination Certificate

active

11194148

ABSTRACT:
A quick attach/detach adjustable hitch which allows the operator of a towing vehicle to connect to a trailer without leaving the driver seat. The preferred embodiment includes a lifting carriage connected within a frame by a hydraulic cylinder. Guiding members are used to ensure correct alignment of the hitch ball receiver and hitch ball, and a hold-down bar is used to prevent accidental detachment of the trailer from the towing vehicle. The preferred embodiment also includes an alarm to inform the operator when the hitch ball receiver and hitch ball are in correct alignment.

REFERENCES:
patent: 2714463 (1955-08-01), Fraser
patent: 3891239 (1975-06-01), Leo et al.
patent: 4103928 (1978-08-01), Sheppard, Jr.
patent: 4148499 (1979-04-01), Johnson
patent: 4564209 (1986-01-01), Kingsley et al.
patent: 6155588 (2000-12-01), Maxey
patent: 6273448 (2001-08-01), Cross
patent: 6341794 (2002-01-01), Hunter
patent: 2003/0006581 (2003-01-01), Moss et al.
patent: 2004/0155430 (2004-08-01), Zahn

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