Cam locking removable hitch assembly apparatus and system

Details Cam locking removable hitch assembly apparatus and system Cam locking removable hitch assembly apparatus and system

2005-01-04

2005-01-04

Boehler, Anne Marie (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S491500

Reexamination Certificate

active

06837511

ABSTRACT:
A cam locking removable hitch assembly apparatus and system is described. The apparatus generally includes a hitch-ball shank in engagement with a shank sleeve that is in engagement with an outer sleeve. A nut is in threaded engagement with a lower portion of the hitch-ball shank securing the outer sleeve around the shank sleeve. Shank lugs, on a lower portion of the hitch-ball shank, engage with shear lugs internal to the shank sleeve when the hitch-ball shank is rotated with respect to the shank sleeve. Cam's on the upper portion of the hitch-ball shank engage with cam grooves on an upper portion of the shank sleeve, thereby locking the hitch-ball shank within the shank sleeve. The hitch assembly apparatus can be connected to a frame that is secured in a bed of a truck forming a cam locking removable hitch assembly system.

REFERENCES:
patent: 3307857 (1967-03-01), Robertson
patent: 4201400 (1980-05-01), Hoogenbosch
patent: 5472222 (1995-12-01), Marcy
patent: 5860671 (1999-01-01), Mackeown
patent: 5871222 (1999-02-01), Webb
patent: 6099015 (2000-08-01), Marcy
patent: 6695338 (2004-02-01), Roberts

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