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:
Dec. 31, 2019
Filed:
Feb. 22, 2016
Stannah Stairlifts Limited, Hampshire, GB;
Paul Alexander Cook, Shrewton, GB;
Gavin Scott Pugh, Farnham, GB;
Stannah Stairlifts Limited, Hampshire, GB;
Abstract
The invention provides a method and apparatus for controlling the speed of a stairlift (). The speed of rotation of the carriage (), whilst traversing bends in the rail (), is monitored and the speed of the carriage drive motor () then controlled in reaction to the speed of rotation. A 3-axis gyroscope () is preferably used to monitor the speeds of rotation of the carriage () and the outputs from this gyroscope () may be processed to provide different degrees of speed control.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile