Sliding door closing device

Details Sliding door closing device Sliding door closing device

1995-06-15

1997-04-22

Dorner, Kenneth J.

Movable or removable closures

With means mounting closure for reciprocation

E05D 1506

Patent

active

056220073

ABSTRACT:
There is disclosed an automatic sliding door closing device comprised of two elongated arms coupled together at their proximal ends by a coiled spring which spreads the distal ends of the elongated arms apart. The distal end of one elongated arm is attached to a door jamb and the distal end of the other elongated arm is attached to the edge of the sliding door. Speed damping is provided by a pneumatic cylinder which retards the acceleration of the sliding door due to the force exerted by the coiled spring.

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patent: 5251402 (1993-10-01), Richardson et al.
patent: 5285596 (1994-02-01), Kinsey
patent: 5313739 (1994-05-01), Nelson et al.

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