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:
Dec. 10, 2013
Filed:
Nov. 13, 2008
Applicants:
Thomas Wildförster, Schwelm, DE;
Michael Hufen, Wuppertal, DE;
Matthias Drux, Gevelsberg, DE;
Inventors:
Assignee:
Dorma GmbH + Co. KG, Ennepetal, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a door operator () with a drive unit, wherein the drive unit presents a gear with a gear housing (). According to the invention, it is intended that the gear housing () has at least one first shell element () and at least one second shell element (), wherein the shell is elements () are able to be brought into mutual abutment for forming an inner gear compartment ().