Sectional door with operator

Details Sectional door with operator Sectional door with operator

1986-10-31

1988-03-22

Britts, Ramon S.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160201, E05F 1500

Patent

active

047322039

ABSTRACT:
The doors of a type including closure elements are guided at the side and which are provided with a drive mechanism. To simplify the drive mechanism, and to increase the operational reliability, there are inventively provided one or more motors that are secured to the closure elements and that have a gear wheel which meshes with a track that extends parallel to the lateral guide rails. Preferably, the gear wheels and the lateral guide rollers are coaxially disposed, with the guide rollers being freely rotatable.

REFERENCES:
patent: 1916652 (1933-07-01), Beeman et al.
patent: 2790635 (1957-04-01), Evans et al.
patent: 2794634 (1957-06-01), Bragg
patent: 2925267 (1960-02-01), Volf
patent: 3202415 (1965-08-01), Lodge
patent: 3289350 (1966-12-01), Moody
patent: 3797171 (1974-03-01), Farmer
patent: 3934635 (1976-01-01), Kin

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