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:
Nov. 16, 1999
Filed:
Sep. 29, 1997
Grady A Dugas, Marion, LA (US);
Other;
Abstract
An automatic braking wheelchair having an automatic braking assembly which automatically locks one or both wheels of a wheelchair when the patient attempts to rise. The automatic braking assembly includes a movable seat on which a patient sits, a support assembly for supporting the movable seat, the support assembly having two axles connected thereto, each of the axles having a rotatable hub connected thereto, each of the hubs having a drive wheel rigidly connected thereto, the movable seat being slidably connected to the support assembly, at least one spring connected to the support assembly and to the movable seat for moving the movable seat upward when the patient is not sitting in the movable seat, a locking gear rigidly connected to each of the two hubs, the locking gear having a plurality of teeth thereon, a locking gear receiver rigidly connected to the movable seat, the locking gear receiver having a cavity therein for receipt of the teeth of the locking gear to selectively lock the hub and said drive wheel in a stationary position.