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:
May. 04, 1993
Filed:
Jun. 06, 1990
Applicant:
Inventors:
Dennis J Wickman, Jasper, IN (US);
Dennis R Motz, Jasper, IN (US);
Steven F Trinkel, Rockport, IN (US);
Assignee:
Kimball International, Inc., Jasper, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47C / ;
U.S. Cl.
CPC ...
297302 ; 297304 ;
Abstract
The present invention is an office chair capable of dynamically tilting to provide a desired seat inclination from an upright position to a maximum tilted position. The preloading mechanism of the spring includes an adjusting screw and a tension arm which provides leverage. The leverage of the preloading mechanism facilitates turning the adjusting screw to vary the preloaded tension of the springs. Also, a spindle cover is provided to stop movement of the seat at the maximum tilted position, and to stop movement of a toggle mechanism at the upright position.