Closure fasteners – Bolts – Multiple
Patent
1991-04-26
1993-02-23
Moore, Richard E.
Closure fasteners
Bolts
Multiple
292 91, 292DIG38, E05C 1902
Patent
active
051884038
ABSTRACT:
A catch for a door latch or the like for use with a strike for latching a door. The catch is formed of a single piece, typically a molding or a stamping, with a base for mounting at a door or door frame, a lever fixed to the base, and a tang carried on the lever. The tang has a normal position and a latching position with the lever functioning as a spring to urge the tang to the normal position, and with the tang being deflectable to the latching position for passing over a ramp of a strike.
REFERENCES:
patent: 538305 (1895-04-01), Wait
patent: 627432 (1899-06-01), Mallory
patent: 925936 (1909-06-01), Moon
patent: 1830415 (1931-11-01), Wittenberg
patent: 2151284 (1939-03-01), Tinnerman
patent: 2185503 (1940-01-01), Fryer
patent: 2303854 (1942-12-01), Lyon
patent: 3133757 (1964-05-01), James
patent: 3476426 (1969-11-01), Lewin
patent: 3776580 (1973-12-01), Michael
patent: 3988808 (1976-11-01), Poe et al.
patent: 4056275 (1977-11-01), Keeler, II
Catalog sheet 23 showing a variety of catches with multiple parts including the magnetic catch and the lower catch discussed under Backgound of the Invention, 1 sht. "Catches" no date.
Hartwell Nylatch Catch No. 9, two pages Aug. 1974.
Hartwell Nylatch Catch No. 137, Jun. 19, 1975 1 sheet "Nylatch.RTM.".
Hartwell Nylatch Catch HNC-8, Aug. 1, 1983 2 shts "Nylatch Catch".
Hartwell Nylatch Bullet Catch No. 132 Jun. 19, 1975 1 sht.
Moore Richard E.
The Hartwell Corporation
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