Land vehicles – Wheeled – Articulated vehicle
Reexamination Certificate
2006-11-17
2010-02-23
Morris, Lesley D (Department: 3611)
Land vehicles
Wheeled
Articulated vehicle
C280S432000, C070S232000, C070S014000
Reexamination Certificate
active
07665755
ABSTRACT:
An improved kingpin locking system includes a kingpin lock body having upper and lower sections, the lower and upper section each having a truncated generally pyramidal shape, with the lower one being inverted, a central kingpin-receiving chamber formed in the kingpin lock body, a kingpin engagement bar movably mounted in the kingpin lock body adjacent the kingpin-receiving chamber which releasably engages the kingpin when positioned within the chamber, and a kingpin engagement bar locking device which releasably locks the kingpin engagement bar in the engagement position thereby releasably securing the kingpin lock body on a kingpin to prevent unauthorized engagement of the kingpin and thereby preventing unauthorized use of the trailer.
REFERENCES:
patent: 4132093 (1979-01-01), McDorman, Sr.
patent: 4620718 (1986-11-01), Mickelson
patent: 5464176 (1995-11-01), Kruse
patent: 5491992 (1996-02-01), Mandall
patent: 6565109 (2003-05-01), Kloepfer
patent: 6761050 (2004-07-01), Rosenberg
patent: 7469920 (2008-12-01), Rosenberg et al.
patent: 2004/0261470 (2004-12-01), Palzkill et al.
patent: 2005/0242546 (2005-11-01), Paquet
patent: 2006/0191447 (2006-08-01), Ashby et al.
patent: 2007/0069501 (2007-03-01), Hsai
Adams Tashiana
Morris Lesley D
Thomte Dennis L.
Thomte Patent Law Office LLC
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