US Patent 7051403 Electromechanical swing leaf operator
Patent 7051403 was granted and assigned to Dorma on May, 2006 by the United States Patent and Trademark Office.
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Patent abstract
The invention relates to an electromechanical swing leaf operator having a door closer (1) with an eccentrically supported pinion (6) that presents a circular rolling curve and meshes with a toothed rack (5) being disposed at a piston (4), whereby a particular execution of the rolling curve and of the teeth (9) of the toothed rack (5) in adaptation to a toothing of the pinion (6) is achieved. With the intention to realize an optimized moving course of the piston (4) in the housing (2) of the door closer (1) an improved execution of the delayed closing operation is provided.
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Patent Inventor Names
Jürgen Homberg0
Date of Patent
May 30, 2006
0Patent Application Number
104677590
Date Filed
February 11, 2002
0Patent Primary Examiner
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US Patent 7051403 Electromechanical swing leaf operator
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