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. 21, 2025
Filed:
Oct. 24, 2019
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventor:
Jan Ruhnke, Berlin, DE;
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/32 (2005.12); B66B 1/34 (2005.12); B66B 5/00 (2005.12); B66B 5/22 (2005.12);
U.S. Cl.
CPC ...
B66B 1/32 (2012.12); B66B 1/3492 (2012.12); B66B 5/0031 (2012.12); B66B 5/22 (2012.12);
Abstract
A method of detecting whether an elevator safety device () of an elevator system () mounted to a moving object (), such as an elevator car () or a counterweight (), has entered a fully activated state in which at least one engagement member () of the elevator safety device () engages with a guide member ().