Push-button lock mechanisms

Details Push-button lock mechanisms Push-button lock mechanisms

1988-08-26

1989-09-19

Wolfe, Robert L.

Locks

Portable

Padlocks

70306, 70313, 70323, E05B 3718

Patent

active

048669580

ABSTRACT:
A sequence dependent push-button lock mechanism having compression loaded locking rod assemblies, arcuate segments of which are placed in compression if attempts are made to force the lock open, and unlocking by rotating the arcuate segments out of compression engagement with a sliding block associated with a thumb-actuated reciprocating shackle sleeve, particularly adapted for use in padlocks and deadbolt/cabinet locks. The locks are applicable to use in combination with pivot-only shackles in the padlock form, and thumb-actuated shackle or deadbolt release mechanisms. The thumb latch is of a break-away type to deter plurality of holes in a spaced array for receiving spring biased automatic return push-button assemblies which actuate locking rods that are disposed to rotate upon selective engagement with various combinations of special "T" and "C" shaped flanges on button actuator members. The permutations of T and C flanges, actuating from 2 to 6 locking rods, offers a large number of possible lock combinations. The lock mechanism may optionally include an extra re-lock push-button for actuating a re-lock bar that simultaneously resets all the locking rods to the locked position by acting on the lower canted end. An optional auxiliary master key is also provided that, upon turning, imparts a auxiliary master key is also provided that, upon turning, imparts a rotation to all the locking rods permitting the lock to be opened. Compression loading the locking rods to prevent opening provides a very high strength lock mechanism of simple construction and assembly. Simple modification of the actuators provides a non-sequence dependent lock, if desired.

REFERENCES:
patent: 3357216 (1967-12-01), Cook
patent: 4196603 (1980-04-01), Malacheski
patent: 4794768 (1989-01-01), Moser

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