Patent ID: 6151935
Filing Date: 2000-11-28
Classification: E05B,Y10S,Y10T

Abstract:
A self locking dial combination lock comprising:a bolt extending from a lock housing of said combination lock and having an extended, securing position and a withdrawn releasing position;a bolt withdrawal mechanism responsive to a manually operated input for withdrawing said bolt from said extended position to said withdrawn position;said bolt comprising:a first member connected to and responsive to said bolt withdrawal mechanism for displacement relative to said lock;a second member associated with and moveable with respect to said first member;a latch interconnecting said first member and said second member for capturing one of said members relative to another of said members for movement of said members in a first direction as a unit and for releasing said members for movement in a second direction independently;a latch operating mechanism for operating said latch for releasing said members,whereby said second member is released to extend to said extended securing position when said latch operating mechanism is displaced by engagement with a rigid interfering structure, while said first member remains in said withdrawn position.