US Patent 9206634 Counterbalance system for vertical acting doors
Patent 9206634 was granted and assigned to Overhead Door Corporation on December, 2015 by the United States Patent and Trademark Office.
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Patent abstract
A counterbalance system for an upward acting door including a first casing and a second casing. Each casing includes a spring element disposed therein operable to store and release potential energy in response to movement of the upward acting door between open and closed positions. The first casing is interlockable with the second casing to accommodate and counterbalance upward acting doors of differing weights.
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US Patent 09206634 Counterbalance system for vertical acting doors US Patent 9206634 Counterbalance system for vertical acting doors
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Patent Number
092066340
Patent Number
92066340
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Official Website
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
092066340
Date of Patent
December 8, 2015
0Patent Application Number
138369170
Date Filed
March 15, 2013
0Official Website
Patent Primary Examiner
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US Patent 09206634 Counterbalance system for vertical acting doors
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09206634
Date of patent
December 8, 2015
Patent application number
13836917
Date Filed
March 15, 2013
Patent primary examiner
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