Lock

Details Lock Lock

1981-12-01

1984-03-06

Holko, Thomas J.

Locks

Special application

For closures

70386, 292153, E05B 6500, E05C 104

Patent

active

044346344

ABSTRACT:
A door or window lock has a body which is securable to the door, window, or a surround for a door or window, and has at least two passages therethrough that extend angularly relative to one another. A locking bar is slidable axially in any one of the passages to adopt either an operative position or an inoperative position, and in the operative position a locking end portion of the bar protrudes a predetermined distance beyond an adjacent side of the body. The bar can adopt either of two operative positions for each passage and in each of those positions the locking end portion protrudes beyond a respective one of two opposite sides of the body. A key operated locking member is rotatably mounted on the body and can adopt a particular locking position for each of the passages. In the locking position for one passage, the locking member protrudes into a recess of the bar to hold the bar against movement in either direction from its operative position. In the locking position for the other passage, the locking member influences an intermediate member to protrude into the bar recess when the bar is in the operative position for that passage. Spring retainers function to releasably locate the bar in each of its operative positions.

REFERENCES:
patent: 554633 (1896-02-01), Lasar
patent: 565168 (1896-08-01), Jarvis
patent: 1012418 (1911-12-01), Obenchain
patent: 3530262 (1970-09-01), Hawkins
patent: 3667263 (1972-06-01), Rogers
patent: 3744283 (1973-07-01), Schmidt
patent: 3877261 (1975-04-01), Robins
patent: 3934908 (1976-01-01), Rifkin
patent: 4030321 (1977-06-01), Kenyon
patent: 4229955 (1980-10-01), Coralli et al.
patent: 4351170 (1982-09-01), Clompus

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