Locking latch handle for windows, doors, and the like

Details Locking latch handle for windows, doors, and the like Locking latch handle for windows, doors, and the like

1978-05-15

1980-04-08

Britts, Ramon S.

Locks

Special application

For control and machine elements

70196, 70202, 70452, 70DIG57, 292207, E05B 1310

Patent

active

041966023

ABSTRACT:
A latch handle of the type having a lever which rotates about a shaft normal to one end is locked by a key-controlled pin engaging the second end of the lever.

REFERENCES:
patent: 975037 (1910-11-01), Hettwer
patent: 1175349 (1916-03-01), Fleming
patent: 1428785 (1922-09-01), Kuehner
patent: 1479117 (1924-01-01), Trimmer
patent: 2156355 (1939-05-01), Sandberg
patent: 2159895 (1939-05-01), Hennicke
patent: 2169692 (1939-08-01), Hansen
patent: 2222040 (1940-11-01), Miller
patent: 2223876 (1940-12-01), Scanlan
patent: 2358554 (1944-09-01), Bixel
patent: 2580584 (1952-01-01), Nowak

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