US PATENT SUBCLASS 70 / 418
.~.~.~ Anti-jimmy


Current as of: June, 1999
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70 /   HD   LOCKS

266  DF  OPERATING MECHANISM {6}
336  DF  .~ Key {10}
416  DF  .~.~ Tampering prevention or attack defeating {6}
418.~.~.~ Anti-jimmy


DEFINITION

Classification: 70/418

(under subclass 416) Devices opposing attack concentrated upon a portion of the locking mechanism not specifically designed to accomplish normal operation of the lock operating mechanism.

SEE OR SEARCH THIS CLASS, SUBCLASS:

151, for devices associated with locking latch-bolts which dog the latch-bolt in projected position.

SEE OR SEARCH CLASS

292, Closure Fasteners,

346, for devices preventing knife blade insertions at the latch and keeper engaging locality to prevent forcing back of a bolt into its housing.