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:
Apr. 21, 2009
Filed:
Aug. 03, 2006
Charles Scott Chambliss, New Vienna, OH (US);
Timothy J. Dietz, Springboro, OH (US);
Steven B. Schrand, Cincinnati, OH (US);
Charles Scott Chambliss, New Vienna, OH (US);
Timothy J. Dietz, Springboro, OH (US);
Steven B. Schrand, Cincinnati, OH (US);
Ferno-Washington, Inc., Wilmington, OH (US);
Abstract
A stair chair for transporting a person up and down a flight of stairs and over a surface is disclosed. The stair chair comprising a main frame and a glide track assembly to support the stair chair for movement on the flight of stairs. The glide track assembly is pivotally connected to the main frame for pivotal movement between open and closed positions. The glide track assembly has at least one endless glide track. The stair chair also provides an adjustable glide track resistance and braking device which engages the endless glide track and is configured to infinitely adjust the amount of resistance applied to the endless glide track between 0 to 100% resistance and to set a desired rolling resistance applied to the endless glide track.