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:
Jul. 02, 2024
Filed:
Oct. 26, 2021
Applicant:
Wittur Holding Gmbh, Wiedenzhausen, DE;
Inventors:
Assignee:
WITTUR HOLDING GmbH, Wiedenzhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 13/08 (2006.01); B66B 13/30 (2006.01); E05D 15/06 (2006.01);
U.S. Cl.
CPC ...
B66B 13/08 (2013.01); B66B 13/301 (2013.01); E05D 15/0643 (2013.01); E05Y 2900/104 (2013.01);
Abstract
A guiding device for an elevator door leaf that includes a body within which at least a first cavity open outwards of said body. The guiding device also includes a first spherical element rotatably inserted in the first cavity and arranged so as to protrude from the first cavity outwards and anti-friction means interposed between the first spherical element and at least one wall delimiting the first cavity to limit the movement of the first spherical element within the first cavity.