Weather sealed lock mechanism

Details Weather sealed lock mechanism Weather sealed lock mechanism

1975-09-25

1977-02-08

Gilliam, Paul R.

Locks

Parts, attachments, accessories and adjuncts

For key-operated mechanism

E05B 1718

Patent

active

040066169

ABSTRACT:
Lock mechanism comprising a key operable cylinder rotatably mounted in a lock body, and characterized by internal and external weather seals for the cylinder. The external seal comprises annular sealing means encircling an enlarged head on the front of the cylinder. The internal seal comprises a keyhole shutter confined in a cavity in the front of the head.

REFERENCES:
patent: 2680965 (1954-06-01), Jacobi
patent: 2690071 (1954-09-01), Jacobi
patent: 3122013 (1964-02-01), Jacobi
patent: 3303678 (1967-02-01), Bernard et al.
patent: 3367156 (1968-02-01), Johnstone
patent: 3754423 (1973-08-01), Seidewand

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