Door apparatus partially supported by a magnetic mechanism

Details Door apparatus partially supported by a magnetic mechanism Door apparatus partially supported by a magnetic mechanism

1986-03-19

1987-10-13

Silverberg, Fred

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Panel hangers, travelers and/or tracks

Wheel mounts

16 87R, 49409, E05D 1506

Patent

active

046988769

ABSTRACT:
A door apparatus includes a door movable between a closed position and an open position with respect to a stationary structure, and a support device for supporting the door. The support device includes a magnet mounted on one of the door and the stationary structure, and a member of a magnetic material mounted on the other of the door and the stationary structure. The magnet and said magnetic member cooperates with each other to produce a magnetic force therebetween to support at least part of the weight of the door.

REFERENCES:
patent: 1881015 (1932-10-01), Ayers
patent: 3346443 (1967-10-01), Johnson
patent: 3413759 (1968-12-01), Baudot
patent: 3441331 (1969-04-01), Kesling
patent: 3667398 (1977-06-01), English
patent: 3741613 (1973-06-01), Pfaler
patent: 3937149 (1976-02-01), Winkle et al.
patent: 4072110 (1978-02-01), Jayawant
patent: 4381876 (1983-05-01), Fenwick
patent: 4452014 (1984-06-01), Markus
patent: 4473259 (1984-09-01), Goldowsky

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