Arrangement in door-locks

Details Arrangement in door-locks Arrangement in door-locks

1977-02-08

1978-06-27

Frazier, Roy D.

Locks

Parts, attachments, accessories and adjuncts

For key-operated mechanism

70DIG43, 292337, E05B 908

Patent

active

040967190

ABSTRACT:
A door-lock is provided with a lock-housing which accommodates a lock mechanism. The lock-housing comprises two connectable parts, of which at least one can be connected to a face plate which is provided with recesses for the dead bolt and latch bolt of the lock. The face plate comprises a U-shaped member which coacts with the end of the lock-housing facing the face plate to stiffen the lock-housing and form a combined unit which presents high resistance to forcing. The face plate and the member form a separate element which is removably connectable to the lock-housing. The lock-housing may either have a recess for receiving the member, said recess engaging around the two lock-housing parts, or, alternatively, the end of the lock-housing facing the face plate may be open; in which case the member enters the lock-housing through said opening and the two lock-housing parts engaging around the member.

REFERENCES:
patent: 372962 (1887-11-01), Budd et al.
patent: 503400 (1893-08-01), Biggs
patent: 973990 (1910-10-01), Stone
patent: 997074 (1911-07-01), Matheson
patent: 1518395 (1924-12-01), Dexter
patent: 2178132 (1939-10-01), Anderson
patent: 2357552 (1944-09-01), Schlase
patent: 2454145 (1948-11-01), Erkkila
patent: 3479851 (1969-11-01), Davidson et al.

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