US Patent 7627986 Driving device and door closer
Patent 7627986 was granted and assigned to Mitsui on December, 2009 by the United States Patent and Trademark Office.
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Patent abstract
A driving apparatus for driving an assisting mechanism serving as an assistant for opening operation or closing operation of a door includes a plurality of driving sources, a plurality of driving gears that is individually provided at the driving sources, and a driven gear that is engaged with each of the driving gears. The assisting mechanism is activated through rotation of the driven gear by driving of the driving sources.
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US Patent 07627986 Driving device and door closer US Patent 7627986 Driving device and door closer
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Patent Number
0762798600
Patent Number
762798600
Edits on 28 Apr, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076279860
Date of Patent
December 8, 2009
0Patent Application Number
105215730
Date Filed
June 19, 2003
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076279860
Date of Patent
December 8, 2009
0Patent Application Number
105215730
Date Filed
June 19, 2003
0Official Website
Patent Primary Examiner
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US Patent 07627986 Driving device and door closer
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07627986
Date of patent
December 8, 2009
Patent application number
10521573
Date Filed
June 19, 2003
Patent primary examiner
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