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. 06, 2021
Filed:
May. 02, 2018
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventor:
Jiro Murata, Chibaken, JP;
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 5/00 (2006.01); G08B 5/36 (2006.01); H02K 11/00 (2016.01); H02K 7/10 (2006.01); F21S 4/24 (2016.01); F21V 19/00 (2006.01); F21S 9/04 (2006.01); F21W 131/402 (2006.01); B66B 17/12 (2006.01); F21Y 115/10 (2016.01); F21Y 113/13 (2016.01);
U.S. Cl.
CPC ...
B66B 5/005 (2013.01); F21S 4/24 (2016.01); F21S 9/04 (2013.01); F21V 19/003 (2013.01); F21V 19/005 (2013.01); G08B 5/36 (2013.01); H02K 7/1004 (2013.01); H02K 11/0094 (2013.01); B66B 17/12 (2013.01); F21W 2131/402 (2013.01); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08);
Abstract
An elevator alert system for alerting a mechanic working inside a hoistway comprises an elevator car vertically movable within a hoistway, a counterweight vertically movable within the hoistway and a compensation member with one end connected to the bottom of the elevator car and the other end connected to the bottom of the counterweight. The compensation member includes at least one light source attached to the compensation member near the elevator car or counterweight. The at least one light source longitudinally extends along the compensation member over a length.