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:
Nov. 07, 2023
Filed:
Oct. 31, 2018
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventors:
Christopher H. Koenig, Granby, CT (US);
Barry G. Blackaby, Simsbury, CT (US);
Daniel B. Davis, Middlefield, CT (US);
Gregory M. O'Seep, Simsbury, CT (US);
John Eschenbrenner, Canton, CT (US);
Jesse R. Richter, West Hartford, CT (US);
Gary P. Mendrala, West Springfield, MA (US);
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/32 (2006.01); B66B 19/00 (2006.01); B66B 5/02 (2006.01); B66B 1/36 (2006.01); B66D 5/02 (2006.01);
U.S. Cl.
CPC ...
B66B 1/32 (2013.01); B66B 1/36 (2013.01); B66B 5/02 (2013.01); B66B 19/007 (2013.01); B66D 5/02 (2013.01);
Abstract
Disclosed is a method of retrofitting a legacy hoist machine including: attaching a primary brake assembly to an end surface of a machine shaft, and configuring a controller to: control the primary brake assembly to provide service braking; and control a brake drum assembly as a secondary brake assembly to thereby apply emergency braking.