Door lock with decorative escutcheon

Details Door lock with decorative escutcheon Door lock with decorative escutcheon

1975-04-14

1976-06-29

Frazier, Roy D.

Locks

Parts, attachments, accessories and adjuncts

For key-operated mechanism

70422, A47B 9504, E05B 1502

Patent

active

039657108

ABSTRACT:
A door lock in which a decorative escutcheon is telescoped onto a tubular barrel which houses a lock cylinder. A key on the escutcheon fits into a slot in the barrel and normally holds the escutcheon in a proper angular orientation with respect to the barrel. If the escutcheon is forcibly turned with a pipe wrench or the like, the key shears away and allows the escutcheon to spin freely on the barrel so as to prevent torque from being transmitted to the barrel.

REFERENCES:
patent: 326507 (1885-09-01), Kelly
patent: 1739964 (1929-12-01), Hainline
patent: 3191486 (1965-06-01), Gibbens
patent: 3267792 (1966-08-01), Yackle
patent: 3449934 (1969-06-01), Check
patent: 3630054 (1971-12-01), Malminen et al.
patent: 3713683 (1973-01-01), Neary
patent: 3751953 (1973-08-01), Newman

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