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:
Dec. 07, 2021

Filed:

Dec. 18, 2019
Applicant:

Otis Elevator Company, Farmington, CT (US);

Inventor:

PengFei Zhao, Shanghai, CN;

Assignee:

OTIS ELEVATOR COMPANY, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 5/00 (2006.01); B66B 11/02 (2006.01);
U.S. Cl.
CPC ...
B66B 5/0081 (2013.01); B66B 11/0246 (2013.01);
Abstract

A handrail assembly, a car and an elevator. The handrail assembly includes a fixing portion and a moving portion, the fixing portion comprises a plurality of first vertical posts arranged in a vertical direction, wherein the first vertical posts are configured to be hollow; the moving portion comprises: a plurality of lifting portions each comprising a plurality of second vertical posts movable into the first vertical posts and horizontal posts attached between the second vertical posts, wherein each lifting portion is configured to move at least between the extended position and the retracted position, the horizontal post is adjacent to the fixing portion when in the retracted position, and the horizontal post is away from the fixing portion when in the extended position; a limiting component to make each lifting portion ascend or descend in sequence in the vertical direction; and a sensing mechanism.


Find Patent Forward Citations

Quick Actions:

Zhao, PengFei. (2021). Handrail assembly, car and elevator (U.S. Patent No. 11192750). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11192750

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…