Privacy door latch

Details Privacy door latch Privacy door latch

1989-04-17

1990-02-13

Moore, Richard E.

Closure fasteners

Bolts

Sliding

292359, 292DIG26, E05C 116

Patent

active

049000730

ABSTRACT:
A door latch includes an elongated stationary case and a latch bolt mounted to reciprocate longtudinally 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 against the force of a helical spring in direction to pull the latch bolt to an 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. A pin, integral with and extending radially from said key, 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 detent in the case is held in position by the helical spring to frictionally engage the outer surface of the key.

REFERENCES:
patent: 1688240 (1928-10-01), Keigwin
patent: 2390756 (1945-12-01), Voight
patent: 2420114 (1947-05-01), VanderHenst
patent: 2723874 (1955-11-01), Hillgren
patent: 2743600 (1956-05-01), Heyer

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