Coupler for towed vehicles

Land vehicles – Wheeled – Articulated vehicle

Reexamination Certificate

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Reexamination Certificate

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08083250

ABSTRACT:
Apparatus, methods, and other examples associated with a hitch ball coupler are described herein. In one example, a coupler includes a body and a cap. The body and cap are pivotally connected on a first end. The body includes a first recess and a shoulder. The cap is selectively moveable between a closed position and an open position. The cap includes a second recess that selectively forms a socket with the first recess, and an arm extending from a second end that engages the shoulder when the cap is in the open position.

REFERENCES:
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patent: 2035486 (1936-03-01), Larson
patent: 3759549 (1973-09-01), Morris
patent: 3820823 (1974-06-01), Beaston
patent: 3880450 (1975-04-01), Ware
patent: 3888517 (1975-06-01), Ray
patent: 4133553 (1979-01-01), Pierce
patent: 4157190 (1979-06-01), Nyman
patent: 4778196 (1988-10-01), Spoliansky
patent: 4804204 (1989-02-01), Elkins
patent: 4898400 (1990-02-01), Elkins
patent: 5382109 (1995-01-01), Nyman
patent: 5421600 (1995-06-01), Jones et al.
patent: 5482309 (1996-01-01), Hollis
patent: 5582420 (1996-12-01), Ulbrich

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