Latch assembly for sliding door

Details Latch assembly for sliding door Latch assembly for sliding door

1994-02-09

1994-08-30

Lindsey, Rodney M.

Closure fasteners

Bolts

Swinging

292114, 292DIG46, 292128, E05C 314

Patent

active

053421027

ABSTRACT:
A latch assembly for a sliding door, which comprises a casing having an L-shaped latch member including a finger application arm and a latch arm, the L-shaped latch member being pivoted by a transversal pivotal pin at the intersection of the finger application and latch arms, and a striker having a circular hole, the latch arm having a free end portion formed on the back surface thereof with a latch projection capable of being engaged in and disengaged from the circular hole of the striker, the L-shaped latch being rotationally biased in the latching direction by a torsion spring, the latch projection having a front edge face formed with an inclined cam face, the latch projection having a circular sectional profile having a smaller diameter than the diameter of the circular hole of the striker. The latch projection can be reliably engaged in and disengaged from the striker hole even if there is a slight deviation from the design position of securement between the striker and casing.

REFERENCES:
patent: 1046833 (1912-12-01), Miller
patent: 1082013 (1913-12-01), Denison
patent: 1773751 (1930-08-01), Reidhaar
patent: 2059302 (1936-11-01), Barber et al.
patent: 2203184 (1940-06-01), Srack
patent: 2523727 (1950-09-01), Sevison
patent: 3161923 (1964-12-01), Crain
patent: 3881758 (1975-05-01), Gross
patent: 4103945 (1978-08-01), Turman
patent: 4974887 (1990-12-01), Pucci

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