Locks – Operating mechanism – Using a powered device
Reexamination Certificate
2004-12-15
2008-12-30
Batson, Victor (Department: 3677)
Locks
Operating mechanism
Using a powered device
C070S279100, C070S277000, C070S278700, C292S144000
Reexamination Certificate
active
07469564
ABSTRACT:
Described herein is a locking device and method which integrates mechanical components in a hollow metal door frame with electronic access components. The electronic components override the original mechanical components of the lock to create a fail-safe situation in which the original mechanical lock may be disabled. In the preferred embodiment, my upgraded locking device can be re-installed within a hollow door frame, thereby minimizing service costs and doorframe modification costs. The electronically controlled component can be a cam retaining locking bar which contains a roll pin and an open area bordered by two cut sides. The open space eases lock installation with a door by avoiding protruding door structures such as metal tabs.
REFERENCES:
patent: 3677043 (1972-07-01), Cox
patent: 4099752 (1978-07-01), Geringer
patent: 4677834 (1987-07-01), Hicks
patent: 4691542 (1987-09-01), Young
patent: 4784415 (1988-11-01), Malaval
patent: 4949563 (1990-08-01), Gerard et al.
patent: 5100184 (1992-03-01), Schmitt
patent: 5474348 (1995-12-01), Palmer et al.
patent: 5636880 (1997-06-01), Miller et al.
Batson Victor
Naumann, Esq. Adrienne B.
Reese David C
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