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:
Feb. 10, 1976
Filed:
Jul. 22, 1974
Applicant:
Inventors:
Martha A Anderson, Campbell, CA (US);
Robert M Anderson, Campbell, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61G / ;
U.S. Cl.
CPC ...
5 81 / ; 5 86 ; 297 19 ; 297 90 ;
Abstract
The elevation of a chair seat from normal to raised bed level by cam action between the chair seat and a wheeled frame on which the chair seat is guided for up and down movement. A camshaft journaled on the underside of the chair seat with cam wheels at each end with cam edges supported on rollers journaled on the frame and lever means on the cam shaft connected to the backrest of the chair seat for rocking the cam shaft upon adjustment of the backrest between its condition of a backrest relative to the chair seat and a condition level with the chair seat as a part of the bed pad when the chair seat is raised to bed level.