Closure fasteners – Bolts – Sliding
Patent
1979-12-17
1981-12-15
Foss, J. Franklin
Closure fasteners
Bolts
Sliding
70DIG80, 292 34, E05C 112
Patent
active
043056091
ABSTRACT:
A door lock for attachment to a door which can move into a position adjacent to a jamb having a door strike. The lock includes a support member formed from a pair of spaced, generally parallel sides and an end wall interconnecting the sides. The sides and end wall are adapted to enclose a recess cut in the edge of the door. A shiftable lock bolt is carried between the sides and movable through an opening in the end wall and into locked relationship to the door strike when the door is in a closed position. Several embodiments of the structure for moving the lock bolt away from the door strike are disclosed including the following: a rotatable shaft having a knob at each end and provided with a projection extending into a recess in the lock bolt; a pair of L-shaped levers pivotally mounted on respective sides of the support member and provided with respective pins in respective slots of the door lock bolt; and a shiftable plate projecting laterally from the sides of the support member and having a pin received within a camming slot through the lock bolt. A spring biases the lock bolt into its locked position and an arm is swingably mounted between the sides to hold the lock bolt in the locked position.
REFERENCES:
patent: 1423825 (1922-07-01), Anderson
patent: 1462805 (1923-07-01), Gibson
patent: 1748599 (1930-02-01), Demody
patent: 1792154 (1931-02-01), Farmer
patent: 2330011 (1943-09-01), Schlage
patent: 2568273 (1951-09-01), Clark
patent: 3666306 (1972-05-01), Genakis
patent: 3948066 (1976-04-01), Solovieff
Foss J. Franklin
McGannon John L.
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