Electronic safety-lock

Details Electronic safety-lock Electronic safety-lock

1996-04-09

1997-05-06

Gall, Lloyd A.

Locks

Operating mechanism

Using a powered device

70280, 70283, 292142, 292144, E05B 4700

Patent

active

056260393

ABSTRACT:
Electric safety-lock consisting of a motor (3) which by means of movement reduction gears (4, 5) drives a worm screw (6) axially mounted on the driven wheel (5). A slider (8) is keyed onto the worm screw (6) on which the mobile lock studs (9) entering the holes (10) in the locking box (1) are fastened. A mobile rack (13) is mounted on the slider (8); the rack (13) may be operated in case of emergency by a gear wheel (14) meshing with a cylinder or sprocket latch (17) and functioning when using a key (15) or knob. An electric circuit provided with sensors (24, 25, 26) provides for remote control (34) of the door lock via opening (A) and closing push-buttons (C). The safety-lock may also be equipped with an alarm system.

REFERENCES:
patent: 657211 (1900-09-01), Carleton
patent: 1378622 (1921-05-01), Sarbij
patent: 3767240 (1973-10-01), Belanger
patent: 4438962 (1984-03-01), Soloviff et al.

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