Deadbolt lock with electronic touch-key

Details Deadbolt lock with electronic touch-key Deadbolt lock with electronic touch-key

2006-07-04

2006-07-04

Glessner, Brian E. (Department: 3676)

Locks

Operating mechanism

Using a powered device

C070S472000, C070S218000

Reexamination Certificate

active

07069755

ABSTRACT:
A deadbolt lock has a housing and a deadbolt latch mounted to the housing. The deadbolt latch has a bolt that is moveable between an extended, locked position, and a retracted, unlocked position. An outside thumb-turn rotatably mounted to the housing. A motor-driven axial clutch is connected between the deadbolt latch and the outside thumb-turn. The bolt is movable by the thumb-turn only when the clutch is engaged. A microcomputer disposed within the housing. An electric motor is connected between the microcomputer and the clutch for engaging and disengaging the clutch. An electronic touch-key reader is disposed in the housing. The electronic touch-key reader is electronically connected to the microcomputer and is capable of reading a digital security code from an electronic touch-key applied thereto. The microprocessor actuates the electric motor to engage the clutch only when an authorized digital security code is read by the electronic touch-key reader.

REFERENCES:
patent: 4671087 (1987-06-01), Olenfalk et al.
patent: 4736970 (1988-04-01), McGourty et al.
patent: 4956984 (1990-09-01), Chi-Cheng
patent: 5018375 (1991-05-01), Tully
patent: 5823027 (1998-10-01), Glick et al.
patent: 6286347 (2001-09-01), Frolov
patent: 6427505 (2002-08-01), Imedio Ocana
patent: 6807834 (2004-10-01), Tsai
patent: 6845642 (2005-01-01), Imedio Ocana
patent: 2001/0005998 (2001-07-01), Imedio Ocana

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