Levin, Eugene J.

United States of America

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IPC Class
E05B 17/18 - Closures or guards for keyholes shaped as lids or slides 1
E05B 27/00 - Cylinder locks with tumbler pins or balls that are set by pushing the key in 1
E05B 29/00 - Cylinder locks with plate tumblers that are set by pushing the key in 1
E05B 33/00 - Cylinder locks with tumblers that are set by pushing the key in, in which the bolt is moved by means other than the key 1
E05B 35/00 - Locks for use with special keys or a plurality of keys 1
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1.

Mechanical lock and method of operation thereof

      
Application Number 17191693
Grant Number 12168889
Status In Force
Filing Date 2021-03-03
First Publication Date 2022-02-24
Grant Date 2024-12-17
Owner LEVIN, EUGENE J. (USA)
Inventor Zolotinsky, Felix

Abstract

A lock including a set of tumblers preserving their position after contact with a key to permit blocking of the keyhole during the opening process.

IPC Classes  ?

  • E05B 17/18 - Closures or guards for keyholes shaped as lids or slides
  • E05B 27/00 - Cylinder locks with tumbler pins or balls that are set by pushing the key in
  • E05B 29/00 - Cylinder locks with plate tumblers that are set by pushing the key in
  • E05B 33/00 - Cylinder locks with tumblers that are set by pushing the key in, in which the bolt is moved by means other than the key
  • E05B 35/00 - Locks for use with special keys or a plurality of keys