Spring counterbalance apparatus and method

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United States of America Patent

PATENT NO 9663986
SERIAL NO

14713499

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Abstract

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A spring counterbalance apparatus and method consists of a shade system with a torque profile, where the shade system is connected with a drive shaft. A first spring system is connected with the drive shaft where the first spring system is a standard wound spring system. A second spring system is connected with the drive shaft where the second spring system is a reverse wound spring system and where, in combination, the first spring system and the second spring system produce a counterbalance torque profile approximately equal to the shade system torque profile.

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Patent Owner(s)

  • THE WATT STOPPER, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hand, Richard Scott Pace, US 49 1212
Mullet, Willis Jay Gulf Breeze, US 88 2153
Oakley, Lucas Hunter Pensacola, US 4 87

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