Sliding door system

Details Sliding door system Sliding door system

1982-07-06

1985-03-12

Kannan, Philip C.

Movable or removable closures

With specified means to effect emergency release to closure

49118, 49360, 49411, 49425, E05B 6510, E05C 706

Patent

active

045036373

ABSTRACT:
A sensor activated, automatic sliding door assembly for installation in building entrance openings for automatic opening and closing of sliding doors. The roller track, drive belt pulley, door carrier, and door guide allow adjustment to compensate for distortion of the system as a result of stress caused by use or expansion and contraction of the building. The rotatable safety hinges, one-way hinges, door stops and electrical interruptors provide integrated safety devices to the automatic door assembly. Linear sliding devices such as linear bearings provide improved movement of the sliding doors on a linear track.

REFERENCES:
patent: 1881015 (1932-10-01), Ayers
patent: 2791005 (1957-05-01), Thompson
patent: 3300897 (1967-01-01), Wikkerink
patent: 3425162 (1969-02-01), Halpern
patent: 3466805 (1969-09-01), Muessel
patent: 3523390 (1970-08-01), McAulay, Jr.
patent: 3670455 (1972-06-01), Slaybaugh
patent: 3727349 (1973-04-01), Bainbridge
patent: 3834081 (1974-09-01), Catlett
patent: 4050191 (1977-09-01), Azuma
patent: 4142326 (1979-03-01), Schmitz
patent: 4290368 (1981-09-01), Mazzini

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