Closure fasteners – Bolts – Sliding
Patent
1993-05-13
1994-05-10
Moore, Richard E.
Closure fasteners
Bolts
Sliding
292166, E05C 114
Patent
active
053102282
ABSTRACT:
A latch bolt actuating mechanism for a door having a latch bolt mounted on its inner surface adjacent a top edge thereof in position to engage and cooperate with a fixed keeper above the door includes an elongated strap having its top end connected to the latch bolt for vertical movement therewith and its bottom end connected to an actuator pivotally mounted in a rigid housing on the door surface by a removable shaft extending through the housing. The actuator is biased to the closed or latched position and a lever or strike plate extends from the housing in position to be pivoted about the shaft toward and away from the door inner surface with the lever being operable upon movement toward the inner surface to move said strap and the latch bolt connected thereto downwardly to release the latch bolt from the keeper. The rigid housing provides a stop for engaging said lever to limit the pivotal movement of said actuator and the downward movement of the strap.
REFERENCES:
patent: 808673 (1906-02-01), Morewood
patent: 1007306 (1911-10-01), Nevins et al.
patent: 1566321 (1925-12-01), Frantz
patent: 1704748 (1929-03-01), Kusch
patent: 1831117 (1931-11-01), Huston
patent: 1842998 (1932-01-01), Rebischke et al.
patent: 1900785 (1933-03-01), Ashbrook
patent: 2752773 (1956-07-01), Abelson et al.
patent: 3055204 (1962-09-01), Pelcin
Prince Automatic Cremorne Bolt With Panic Release Feature p. 13-Von Duperin Catalogue-Date unknown but acknowledged to be more than one year prior to May 13, 1993.
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