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.:

US 8720959 B1

PDF
Full Text
Expired
Date of Patent:
May. 13, 2014

Filed:

Aug. 01, 2009
Applicants:

Norman Wittke, Albstadt, DE;

Oliver Hirschoff, Messstetten, DE;

Inventors:

Norman Wittke, Albstadt, DE;

Oliver Hirschoff, Messstetten, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B 15/02 (2006.01); E05C 3/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention describes a remote-actuable door opener for installation in a door having a preferably positionally fixed door frame and having a door leaf movably mounted thereon. The door leaf has a movable door opener catch () and a remote-actuable blocking device () which interacts directly or indirectly with the door opener catch () in such a way that the door opener catch () can be switched into a blocking position and into a release position. It is essential that an actuating device () is provided which automatically sets the door opener catch () into a position in which the door opener catch () abuts against the lock catch () in the closed position of the door. Here, the door opener catch () is in particular formed from a bearing body () and from a catch body () which is displaceably guided on the bearing body and which is driven by the actuating device () in the direction of the actuating movement.


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Wittke, Norman. (2014). Door opening mechanism with automatic adjustment of the door opening latch (U.S. Patent No. 8720959). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8720959

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