Coupler lock

Details Coupler lock Coupler lock

2006-03-14

2008-12-30

Dickson, Paul N (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C070S258000

Reexamination Certificate

active

07469919

ABSTRACT:
An assembly for restricting access to a coupler includes a body, a ball cavity engagement member; and a securing mechanism. The body is configured for engagement with at least one surface of the coupler. The body includes a coupler engagement portion. The ball cavity engagement member is movably coupled to the body and configured for engagement with a ball cavity of the coupler. The securing mechanism can fix the position of the ball cavity engagement member relative to the body such that the assembly is secured to the coupler.

REFERENCES:
patent: 3780546 (1973-12-01), Longenecker
patent: 3977221 (1976-08-01), Foote
patent: 4032171 (1977-06-01), Allen et al.
patent: 5087064 (1992-02-01), Guhlin
patent: 6393874 (2002-05-01), Zapushek et al.
patent: 6412314 (2002-07-01), Jenks
patent: 6722686 (2004-04-01), Koy
patent: 7040646 (2006-05-01), Pare
International Search Report and Written Opinion from International Application No. PCT/US06/09344, dated Sep. 21, 2007.
Preliminary Report on Patentability from International Application No. PCT/US2006/009344, dated Oct. 16, 2007.

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