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.

Date of Patent:
Nov. 19, 2019

Filed:

May. 12, 2017
Applicant:

Otis Elevator Company, Farmington, CT (US);

Inventors:

Sandeep Sudi, Unionville, CT (US);

Daniel M. Tripp, Sr., Deerfield, NH (US);

Assignee:

OTIS ELEVATOR COMPANY, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 5/00 (2006.01); B66B 9/00 (2006.01);
U.S. Cl.
CPC ...
B66B 5/0025 (2013.01); B66B 5/0031 (2013.01); B66B 5/0087 (2013.01); B66B 9/00 (2013.01);
Abstract

Elevator systems and methods of operating elevator systems having an elevator car within an elevator shaft, a counterweight within the elevator shaft and operably connected to the elevator car, an indicator element located in a pit of the elevator shaft, and an inspection system including a detector located on the elevator car and arranged to detect a location of the counterweight in an inspection region within the pit based a relative position between the counterweight and the indicator element.


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