Combination lock having a shackle

Details Combination lock having a shackle Combination lock having a shackle

1995-04-18

1996-10-01

Gall, Lloyd A.

Locks

Portable

Padlocks

70 53, 70311, 70312, E05B 3702

Patent

active

055602320

ABSTRACT:
A combination lock comprises a lock seat, a dial set, a sliding seat, a lock tongue, a resilient block, a lock seat cover, and a shackle having a movable end and a fixed end. When the dial set is turned to a set series of numbers to work the mechanism that opens the lock, the stopping rod of the dial set is not obstructed by the dial so as to enable the fixed end of the shackle to actuate the sliding seat. The movement of the sliding seat can bring about the displacement of the lock tongue without obstructing the movable end of the shackle, thereby enabling the movable end of the shackle to be ejected by the resilient block. When the set series of numbers is disturbed, the stopping rod of the dial set remains stationary such that the sliding set is urged by the stopping rod, and that the sliding seat can not be moved by the fixed end of the shackle. The movable end of the shackle is inserted into the fastening hole of the lock seat to bring about the displacement of the lock tongue and is therefore retained securely by the lock tongue.

REFERENCES:
patent: 940763 (1909-11-01), Whalen
patent: 1205781 (1916-11-01), Pirog
patent: 4610152 (1986-09-01), Duringer
patent: 4860561 (1989-08-01), Hwang
patent: 5125248 (1992-06-01), Ling
patent: 5156028 (1992-10-01), Jiang

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