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:
Jun. 17, 2014
Filed:
Jan. 29, 2010
Daniel B. Davis, Middlefield, CT (US);
Valery Sheynkman, West Hartford, CT (US);
Kenneth V. Allen, Cumming, GA (US);
Jesse R. Richter, West Hartford, CT (US);
Michael P. Keenan, Suffield, CT (US);
Gregory M. Oseep, West Simsbury, CT (US);
Robert Scott Farmer, Zephyr Hills, FL (US);
Doug B. Labrecque, West Springfield, MA (US);
Christopher H. Koenig, Granby, CT (US);
Michael Joseph Concannon, Tampa, FL (US);
Daniel B. Davis, Middlefield, CT (US);
Valery Sheynkman, West Hartford, CT (US);
Kenneth V. Allen, Cumming, GA (US);
Jesse R. Richter, West Hartford, CT (US);
Michael P. Keenan, Suffield, CT (US);
Gregory M. Oseep, West Simsbury, CT (US);
Robert Scott Farmer, Zephyr Hills, FL (US);
Doug B. LaBrecque, West Springfield, MA (US);
Christopher H. Koenig, Granby, CT (US);
Michael Joseph Concannon, Tampa, FL (US);
Otis Elevator Company, Farmington, CT (US);
Abstract
An exemplary method of retrofitting a brake onto an elevator machine that was previously installed in an elevator system includes selecting a surface of the elevator machine that rotates as a sheave of the machine rotates. A braking surface is provided on the selected surface. At least one brake member is installed in a position to selectively engage the braking surface.