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:
Oct. 12, 2021
Filed:
Jan. 10, 2018
Otis Elevator Company, Farmington, CT (US);
Qing Li, Tianjin, CN;
Kai Kang, Tianjin, CN;
ShengYu Wang, Tianjin, CN;
Xiaokai Gong, Tianjin, CN;
XiaoBin Tang, Tianjin, CN;
ZhengZong Tang, Tianjin, CN;
Wenbo Liu, Tianjin, CN;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
The present invention provides a damper of an elevator car, a control method of the damper, and an elevator system, belonging to the technical field of elevators. The damper of the present invention includes a base, a clamping mechanism mainly including two clamp arm components, a solenoid drive part, and a link transmission component, wherein the link transmission component is configured to be movable in a direction approximately perpendicular to a guide surface and drive at least one of the two clamp arm components connected thereto to move towards a guide rail. The control method of the present invention can enable the damper to work in a disengaged state, a slight contact state or a damping output state.