Locks – Attack-actuated defeating mechanisms
Patent
1998-01-09
2000-07-04
Gall, Lloyd A.
Locks
Attack-actuated defeating mechanisms
702783, 702787, 70283, 70333R, 70416, 292144, E05B 4706
Patent
active
060821531
ABSTRACT:
An anti-tamper locking assembly for locking a position of a block, such as a locking bolt in an electronic lock, electrically moves a pin to engage or dis-engage the block. When dis-engaged, the block can be moved and access or the like can be made. The pin is selectively moved electronically in order to allow access, entry or the like. The pin can be moved with, e.g., a solenoid. The pin has an overhanging portion, or a head portion. In order to prevent an individual from forcing the pin into an un-locked position, the head portion operates in conjunction with at least one spring-arm member and a blocker which are fixed to the block to prevent a user from being able to strike the device with a hammer or the like to "temporarily" move the pin to a position allowing the block to be moved and access or the like to be made.
REFERENCES:
patent: 2421917 (1947-06-01), Williams
patent: 3231180 (1966-01-01), Wellekens
patent: 4470275 (1984-09-01), Fisher
patent: 4520736 (1985-06-01), Crosby et al.
patent: 4848115 (1989-07-01), Clarkson et al.
patent: 5552777 (1996-09-01), Gokcebay et al.
patent: 5614892 (1997-03-01), Ward, II et al.
patent: 5819563 (1998-10-01), Bianco
patent: 5839306 (1998-11-01), Nunuparov
Annex to the Invitation to Pay Additional Fees of PCT/US 98/19130.
Cregger Barton B.
Schoell Lance G.
Schroeder Matthew O.
Gall Lloyd A.
Medeco Security Locks Inc.
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