Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Volker Bienek0
Date of Patent
March 12, 2013
Patent Application Number
11793068
Date Filed
November 11, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A door operator includes a first component having a right-hand thread, a second component having a left-hand thread, and a plug-in or rotatable coupling having two complementary threads. The first and second compartments are interconnected to each other by the coupling when the right-hand thread of the first compartment and the left-hand thread of the second compartment engage the respective complementary threads of the coupling.
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