Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Patent
1997-07-15
1999-08-03
Stodola, Daniel P.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
With mounting or supporting means
160189, 160191, 160201, 49199, 74625, E05F 1100
Patent
active
059312122
ABSTRACT:
An operating system for controllably moving in upward and downward directions a sectional door (D) in relation to a door frame (12) having a pair of jambs (13, 14) and an interconnecting header (15), including a counterbalancing system (30) having a drive tube (31) interconnected with the sectional door proximate the ends thereof, a motorized operator (10) mounted adjacent to the drive tube and between the ends of the sectional door, and a drive train (70) interconnecting the drive tube and the motorized operator for selectively driving the sectional door in upward and downward directions. The operator includes a motor (40) for selectively rotating a drive shaft (60) in two directions, a drive wheel (80) on the drive shaft for rotating the drive train in one direction when the motor rotates the drive shaft in one direction, and a coupler on the drive shaft rotating the drive wheel when located in a first position and directly engaging and rotating the drive gear in the other direction when located in a second position.
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"Architectural Graphic Standards", The American Institute Of Architects, Eighth Edition, Copyright 1988 by John Wiley & Sons, Inc., p. 403 entitled "Commercial Overhead Door Operators".
Mullet Willis J.
Rodriguez Yan
Slavik Scott A.
Lev Bruce A.
Stodola Daniel P.
Wayne-Dalton Corp.
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