Patent ID: 9140034
Filing Date: 2015-09-22
Classification: E05B,Y10T

Abstract:
1. A lock assembly comprising: a key comprising a shaft portion and at least one movable key combination element retained within said shaft portion; and a plug having a keyway for inserting therein said key, said plug arranged for movement in a bore formed in a lock body along a shear line defined between an outer perimeter of said plug and an inner perimeter of said bore, said plug comprising first and second movable elements located in openings formed in said plug on different sides of said keyway, wherein said first and second movable elements are not spring-loaded or biased by a biasing device located in said plug; and wherein when said key is fully inserted in said keyway, said at least one movable key combination element protrudes beyond an outer surface of said shaft portion only upon movement of said plug in said lock body.