Patent ID: 6823703
Filing Date: 2004-11-30
Classification: E05B,Y10T

Abstract:
A plug removable cylinder lock, comprising:a cylinder having a hollow interior; a forward and rearward aperture opening; a flange extending radially outward on said forward aperture opening; a flange extending radially inward on said rearward aperture opening; an alignment member on the interior of said cylinder at the rearward aperture opening of said cylinder; at least one locking notch cut through the wall of said cylinder at said rearward aperture opening of said cylinder; a cylindrical tumbler-key plug having forward face and a rearward face; a keyed tumbler mechanism; a corresponding keyhole extending radially inward from said forward face; a controlling latch member affixed on the side of said plug at said rear face such that said latch can radially extend or retract in cooperation with a key inserted in said keyhole; a cylindrical casing having a cap immovably affixed at the each end of said casing; said cylindrical key plug having at least one alignment notch in said rearward face adapted to engage said alignment member when said latch is aligned with said locking notch; whereby said latch can only be operated when said plug is seated and properly aligned by said alignment member.