Closure fasteners – Bolt releasers – Free-end-engaging means
Patent
1989-03-20
1990-02-20
Smith, Gary L.
Closure fasteners
Bolt releasers
Free-end-engaging means
292150, 292DIG21, E05B 1500
Patent
active
049020544
ABSTRACT:
A safety device for screen and storm secondary doors in which a movable rod is horizontally mounted on the door jamb proximate to the latch receiving mechanism. The closure of the inner or primary door urges the rod into position so as to disable the latching mechanism of the screen door. The opening of the primary door enables the rod to be withdrawn thereby permitting the secondary door to be opened.
REFERENCES:
patent: 1351117 (1920-08-01), Newhall
patent: 1364757 (1921-01-01), Herrman
patent: 2113121 (1938-04-01), Peterson
patent: 2246344 (1941-06-01), Calderwood
patent: 3204996 (1965-09-01), Behrens
patent: 3806176 (1974-04-01), Massie
patent: 4482177 (1984-11-01), Nagy
Milano Michael
Roediger Joseph H.
Smith Gary L.
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