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:
Jul. 14, 1998
Filed:
Oct. 11, 1996
Applicant:
Inventor:
Jay R Machael, Muscatine, IA (US);
Assignee:
Hon Industries Inc., Muscatine, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47B / ;
U.S. Cl.
CPC ...
108147 ; 248588 ;
Abstract
A counterbalanced adjustable height load bearing support structure comprises a spring biased arm having a cam surface thereon cooperates with a follower of a vertically movable support assembly supporting a load bearing surface. The cam surface in preferred form is generally concave upwardly and has a profile defined by the expressions