Electronic tongue strike mechanism

Details Electronic tongue strike mechanism Electronic tongue strike mechanism

2005-09-08

2008-08-12

Lugo, Carlos (Department: 3673)

Closure fasteners

Keepers

With movable dog, catch or striker

C292S341160, C292S341170, C070S432000

Reexamination Certificate

active

07410196

ABSTRACT:
An electronic tongue strike mechanism which can be mounted in a door frame is disclosed. The electronic tongue strike mechanism has a main mounting bracket which is mountable to a door frame, a tension plate which is mounted to the main mounting bracket a tongue strike mounted on the tension plate for engaging a door bolt and a pressure sensor mounted on the tension plate to sense relative movement between the tension plate and the main mounting bracket caused by the door bolt being urged against the tongue strike. The pressure sensor feeds electronics which operate to control release of the tongue strike.

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patent: 5118150 (1992-06-01), Jarrett
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patent: 5681070 (1997-10-01), Williams et al.
patent: 5757269 (1998-05-01), Roth et al.
patent: 5825288 (1998-10-01), Wojdan
patent: 5943888 (1999-08-01), Lawson

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