Tubular door lock

Details Tubular door lock Tubular door lock

1991-07-24

1992-10-27

Luebke, Renee S.

Locks

Special application

For control and machine elements

70224, 70223, 70465, B60R 2502

Patent

active

051579529

ABSTRACT:
A tubular door lock having a kind of structure, wherein locking the lock by an inner knob is accomplished by first pressing and subsequent rotating of said knob, and unlocking by said knob can be done only be rotating of said knob.

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patent: 3800573 (1974-04-01), Babb, Jr. et al.
patent: 3896644 (1975-07-01), Nagy et al.
patent: 3896645 (1975-07-01), Nagy et al.
patent: 3922896 (1975-12-01), Kagoura

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