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. 03, 2018
Filed:
Jan. 08, 2013
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventors:
YiSug Kwon, Farmington, CT (US);
John Ferrisi, Avon, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/34 (2006.01); B66B 13/08 (2006.01); B66B 13/14 (2006.01);
U.S. Cl.
CPC ...
B66B 13/08 (2013.01); B66B 13/143 (2013.01); B66B 13/146 (2013.01);
Abstract
An elevator system includes a linkage, a control system and a friction belt drive. The linkage is adapted to attach to an elevator door. The friction belt drive is adapted to move the elevator door with the linkage between an open position and a closed position. The friction belt drive includes a v-belt with one or more markers arranged along a length of the v-belt. The control system is adapted to control the friction belt drive, and includes a sensor adapted to detect at least one of the markers.