Locks – Portable
Reexamination Certificate
2007-02-13
2007-02-13
Gall, Lloyd A. (Department: 3676)
Locks
Portable
C070S062000, C070S232000, C070S258000, C248S553000, C280S507000
Reexamination Certificate
active
11287083
ABSTRACT:
The present invention is a method of using a durable, cylinder-like device that is inserted within the main cylinder part of a kingpin lock. One preferred embodiment, of several, has an outside diameter in close tolerance to the inside diameter of a kingpin lock device. In addition, the holder is easily insertable into the kingpin lock device. A round hole is located within the wall of the holder such that the hole in a cylinder wall of each kingpin lock device aligns with the hole in the holder. The diameter of the hole in the holder is sufficient to allow a metal tongue to be inserted from the kingpin lock device through the hole in the holder. Then a key in the lockpin device is removed leaving the lock device secured to the holder. In addition, the holder has a metal plate perpendicularly welded to the cylinder part. The surface could be the underside of a trailer or box or in a storage compartment behind the cab of a tractor.
REFERENCES:
patent: 3415085 (1968-12-01), Eble, Jr.
patent: 3574363 (1971-04-01), Stephenson
patent: 3744284 (1973-07-01), Waldenstrom
patent: 4282995 (1981-08-01), Austin
patent: 4704883 (1987-11-01), Dykes
patent: 5197311 (1993-03-01), Clark
patent: 6446649 (2002-09-01), Bigford
Gall Lloyd A.
Parsons George T.
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