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:
Oct. 22, 2019
Filed:
Jun. 27, 2016
Applicants:
Amir Lotfi, Redondo Beach, CA (US);
Yisug Kwon, Farmington, CT (US);
Steven M. Millett, Plainville, CT (US);
Inventors:
Amir Lotfi, Redondo Beach, CA (US);
YiSug Kwon, Farmington, CT (US);
Steven M. Millett, Plainville, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/32 (2006.01); B66B 1/36 (2006.01); B66D 5/30 (2006.01); B66B 5/02 (2006.01); F16D 121/00 (2012.01); B66B 9/00 (2006.01);
U.S. Cl.
CPC ...
B66B 1/36 (2013.01); B66B 1/32 (2013.01); B66B 5/02 (2013.01); B66D 5/30 (2013.01); B66B 9/00 (2013.01); F16D 2121/00 (2013.01);
Abstract
A brake system for an elevator car includes a multiple of brake segments for deceleration of the elevator car and a brake control circuit operable to control operation of each of the multiple of brake segments to passively sequence activation of each of the multiple of brake segments.