Double-acting barrel lock and key

Details Double-acting barrel lock and key Double-acting barrel lock and key

1986-01-21

1987-01-13

Raduazo, Henry E.

Locks

Portable

Padlocks

70386, 70397, E05B 6736

Patent

active

046354522

ABSTRACT:
A double-acting barrel lock and key in which the lock has a hollow plunger which reciprocates between a security forward locking position and a normal rearward unlocking position. The lock also has a lock pin coaxially mounted within the hollow plunger for reciprocating between a forward unlocking position and a normal rearward locking position. When a nail-type pick is inserted into the rear of the lock and drives the lock pin forwardly to its unlocking position, a spring urges the hollow plunger forwardly to its security locking position in which the locking balls are maintained in their outward locking position.
A key has double-acting means for simultaneously maintaining the hollow lock plunger in its normal rearward unlocking position while moving the lock pin to its forward unlocking position, thereby permitting the locking balls to move inwardly to their unlocking position.

REFERENCES:
patent: 3835674 (1974-09-01), Hoyt
patent: 4040279 (1977-08-01), Signorelli
patent: 4058992 (1977-11-01), Nielsen
patent: 4155232 (1979-05-01), Hans
patent: 4313319 (1982-02-01), Hans
patent: 4441343 (1984-04-01), Nielsen
patent: 4519225 (1985-05-01), Simmler

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