Espagnolette lock

Details Espagnolette lock Espagnolette lock

1974-08-28

1976-01-06

Frazier, Roy D.

Locks

Special application

For control and machine elements

70370, 70371, 70451, E05B 908

Patent

active

039303900

ABSTRACT:
An espagnolette lock having an actuating nut which is rotatably supported in a lock box and in a lock box cover, which includes a rectangular through-aperture for receiving a rectangular arbor, and a slot formed in one side of the nut body of the nut for receiving the key bit of a cipher key. A sleeve is fastened to the lock box cover, which is adapted to extend into a circular aperture formed in the door or the like, and in which the sleeve is provided with guide slots and/or projections for receiving and securely fastening different types of actuating members or fittings for the lock, and their respective guide and covering sleeves.

REFERENCES:
patent: 619202 (1899-02-01), Mirot
patent: 1026209 (1912-05-01), Keppec
patent: 1561254 (1925-11-01), Ledin
patent: 2079583 (1937-05-01), Brauning
patent: 2307106 (1943-01-01), Brush
patent: 3733865 (1973-05-01), Vorob
patent: 3745795 (1973-07-01), Sanders
patent: 3863471 (1975-02-01), Keller-Volper

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