Integral locking coupler

Land vehicles – Wheeled – Articulated vehicle

Reexamination Certificate

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Reexamination Certificate

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07104563

ABSTRACT:
An integral locking coupler comprising a locking mechanism mechanically coupled to a set of engagement pins for securing a coupler to a receiver. The locking mechanism translates movement to the engagement pins to move them to and from an extended position and a retracted position. When in the extended position, the engagement pins engage the receiver thereby securing the coupler. When in the retracted position, the engagement pins are generally contained within the coupler housing allowing the coupler to be inserted into and removed from the receiver.

REFERENCES:
patent: 3981517 (1976-09-01), Crochet, Sr.
patent: 4077234 (1978-03-01), Crochet, Sr.
patent: 4325237 (1982-04-01), Menzie
patent: 5638711 (1997-06-01), Schotthoefer
patent: 5730456 (1998-03-01), Bowers
patent: 6193261 (2001-02-01), Hahka
patent: 6370927 (2002-04-01), Gonzalez et al.
patent: 6402181 (2002-06-01), Lee
patent: 6575000 (2003-06-01), Li
patent: 6598897 (2003-07-01), Patti
patent: 6666051 (2003-12-01), Li
patent: 6694781 (2004-02-01), Li
patent: 2005/0225054 (2005-10-01), Budge
patent: 3703626 (1988-08-01), None
patent: 3927423 (1991-02-01), None
patent: 0 455 251 (1991-06-01), None
patent: 2 673 891 (1992-09-01), None

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