Sliding window or door lock

Details Sliding window or door lock Sliding window or door lock

1984-11-30

1987-01-27

Wolfe, Robert L.

Closure fasteners

Bolts

Sliding

70100, 70451, 70462, 292DIG46, 411 55, 411 60, E05C 104, E05B 6508

Patent

active

046390227

ABSTRACT:
A lock for a sliding window or door and having a body which is adapted to be secured to either an outwardly facing surface or a laterally facing surface of the movable frame of the window or door. The lock includes a locking bar which is slidably mounted on the lock body for relative movement into and out of an operative position at which it projects beyond a back surface of the lock body and engages within a hole in the fixed frame of the window or door. The lock body is secured to the movable frame by means of fastening screws extending through bores formed through a mounting part of the body and those bores include primary bores which extend in the front to back direction and secondary bores which extend laterally through the mounting part. The primary bores are used if the body is to be secured to the outwardly facing frame surface and the secondary bores are used if the body is to be secured to the laterally facing frame surface. The fixing means may include an expandable nut located in the movable frame and which is expanded into tight engagement with that frame by interaction between an end of the screw and a tapered section of a bore of the nut.

REFERENCES:
patent: 2936015 (1960-05-01), Rapata
patent: 3034328 (1962-05-01), Rifkin
patent: 3779588 (1973-12-01), Raymon
patent: 3869887 (1975-03-01), Zeit
patent: 3877261 (1975-04-01), Robins
patent: 3936083 (1976-02-01), Bright
patent: 4033157 (1977-07-01), Williams
patent: 4391559 (1983-07-01), Mizusawa
patent: 4423897 (1984-01-01), Williams
patent: 4434634 (1984-03-01), Dunphy et al.

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