Bolt type lock puller

Details Bolt type lock puller Bolt type lock puller

1981-02-24

1983-12-20

Jones, Jr., James L.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

279 83, B23P 1904

Patent

active

044208642

ABSTRACT:
A bolt type lock puller for removing jammed bolt type locks from lock housings. This lock puller is necessary to correct situations in which a thief has tried to open a bolt type lock by driving a nail into the keyhole. The lock is usually distorted by the nail and jams in the locked position. Therefore, the lock cannot be removed by a security key. The lock puller utilizes split jaws with opposed teeth which progressively bite the head of the lock. A longitudinally extending stud is drawn axially to cause the split jaws to pull the clamped lock out of the lock housing.

REFERENCES:
patent: 3667768 (1972-06-01), Stokey
patent: 3972103 (1976-08-01), Kenyon
patent: 4207663 (1980-06-01), Page

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