Closure fasteners – Bolts – Sliding
Patent
1987-05-15
1988-01-19
Moore, Richard E.
Closure fasteners
Bolts
Sliding
292DIG26, E05C 116
Patent
active
047201274
ABSTRACT:
A door latch includes an elongated stationary case and a latch bolt mounted to reciprocate longitudinally in the case between outwardly extended and inwardly retracted positions. The latch bolt is driven between the two positions by a driver mechanically connected to the latch bolt and longitudinally movable within the case under control of first and second cams. The rotation of either cam will cause the driver to move in direction to pull the latch bolt to in inwardly retracted position. A pushbutton key is mounted to a sidewall of the case and movable in direction into and out of the case to lock one of the cams against rotation. The key is mounted to a pin which is received by a camming means on the other cam whereby rotation of the other cam will move the pin in direction to retract the key from the first mentioned cam. A spindle for rotating the cams is comprised of first and second segments in end butting relation and rotatable with respect to each other. The cams may be rotated independently of each other by associating the cams individually with one or the other of the segments.
REFERENCES:
patent: 1688240 (1928-10-01), Keigwin
patent: 2390756 (1945-12-01), Voight
patent: 2420114 (1947-05-01), Van der Henst
patent: 2723874 (1955-11-01), Hillgren
patent: 2743600 (1956-05-01), Heyer
Moore Richard E.
Sunwest International Trading Co., Inc.
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