US PATENT SUBCLASS 70 / 491
.~.~.~.~.~.~ Sliding tumblers

Current as of: June, 1999
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70 /   HD   LOCKS

266  DF  OPERATING MECHANISM {6}
336  DF  .~ Key {10}
344  DF  .~.~ Single key {4}
348  DF  .~.~.~ Tumbler type {5}
357  DF  .~.~.~.~ Cylinder type {9}
490  DF  .~.~.~.~.~ Rotary plug {2}
491.~.~.~.~.~.~ Sliding tumblers {2}
492  DF  .~.~.~.~.~.~.~> Transverse of plug {2}
496  DF  .~.~.~.~.~.~.~> Including sidebar

DEFINITION

Classification: 70/491

Sliding tumblers:

(under subclass 490) Device wherein the movable impediments to relative rotation between the plug and the cylinder (i.e., the tumblers) move in a slidable fashion.