Lock cover mechanism

Details Lock cover mechanism Lock cover mechanism

1985-03-14

1986-07-01

Wolfe, Robert L.

Locks

Parts, attachments, accessories and adjuncts

For key-operated mechanism

70452, E05B 1718

Patent

active

045972745

ABSTRACT:
A cover mechanism for covering a lock having a key opening in a lock support surface includes a cover plate which may be pivoted between a closed position in which the key opening of the lock is covered and an opened position in which the key opening is exposed. A detent arrangement includes a first stop which engages the cover plate to hold it in its opened position until insertion of a key into the key opening, whereupon a second stop of the detent arrangement engages the cover plate and prevents movement of the cover plate into its closed position until withdrawal of the key is initiated. A damping arrangement slows movement of the cover plate from its opened position into its closed position.

REFERENCES:
patent: 837051 (1906-11-01), Gatewood
patent: 2213814 (1940-09-01), Jacobi
patent: 2343605 (1944-03-01), Wise
patent: 2400229 (1946-05-01), Freeman
patent: 2454925 (1984-11-01), Jacobi
patent: 2602319 (1952-07-01), Jacobi
patent: 3313136 (1967-04-01), Gulette
patent: 3898824 (1975-08-01), Borlinghaus
patent: 3930391 (1976-01-01), Borlinghaus
patent: 4192161 (1980-03-01), Borlinghaus

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