The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2017
Filed:
Nov. 14, 2012
Applicant:
Dorma Deutschland Gmbh, Ennepetal, DE;
Inventors:
Assignee:
DORMA DEUTSCHLAND GMBH, Ennepetal, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F 3/10 (2006.01); E05F 3/22 (2006.01);
U.S. Cl.
CPC ...
E05F 3/10 (2013.01); E05F 3/104 (2013.01); E05F 3/22 (2013.01); E05Y 2201/638 (2013.01); E05Y 2201/706 (2013.01); E05Y 2900/132 (2013.01); Y10T 16/56 (2015.01);
Abstract
A door operator for opening and/or for closing a door includes a housing, an output shaft with a cam disc, and a first piston guided in the housing, which first piston bears against the cam disc. The output shaft includes a first axle body supported in the housing. The first axle body is connected to the cam disc in a torque-proof manner by a first plug-in connection.