Door latch

Details Door latch Door latch

1982-11-01

1985-01-15

Moore, Richard E.

Closure fasteners

Bolts

Sliding

292DIG57, E05C 114

Patent

active

044934998

ABSTRACT:
Apparatus for securing a swinging end of a hinged door in a closed position is disclosed. A slidable latch assembly including spaced rollers for engaging angled contact surfaces extending from a door are all arranged with appropriate spacing to secure the door in position upon slidable displacement of the latch assembly. A complex pivoted latch handle is utilized to appropriately displace the latch assembly for either securing or opening the door.

REFERENCES:
patent: 1515612 (1924-11-01), O'Connor
patent: 2108965 (1938-02-01), Gray
patent: 2864640 (1958-12-01), Mattinson
patent: 3090427 (1963-05-01), Stroup et al.
patent: 3633389 (1972-01-01), Horgan, Jr.
patent: 3845976 (1974-11-01), Peterson
patent: 3944267 (1976-03-01), Sundquist
patent: 4025096 (1977-05-01), Geer
patent: 4099751 (1978-07-01), Poe et al.
patent: 4216725 (1980-08-01), Hallam
Photocopy of McQuay Corp. Door Latch Mechanism.
A Print of Details of McQuay Door Latch.

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