Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Patent
1990-08-02
1991-08-06
Purol, David M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
With mounting or supporting means
160201, 49139, 49200, 49358, E05F 1500
Patent
active
050368990
ABSTRACT:
An opening-closing mechanism for a hinged panel or sectional overhead garage door which is located laterally along the top door panel and has an integrally associated electric motor and speed reduction drive component located mediate of and for a direct reaction with opposed vertical and horizontal gear and roller guide tracks having a specific curvature in the area of transition movement of door panels from vertical to horizontal.
REFERENCES:
patent: 2015402 (1935-09-01), Johanson
patent: 2755081 (1956-07-01), Johnson et al.
patent: 3311159 (1967-03-01), Stansberry
patent: 4191237 (1980-03-01), Voege
patent: 4379479 (1983-04-01), Whiting
patent: 4625456 (1986-12-01), Lafontaine
patent: 4732203 (1988-03-01), Alten
patent: 4750294 (1988-06-01), Lafontaine
Cook, II Mack D.
Purol David M.
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