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. 15, 1983
Filed:
May. 01, 1980
Jack R Knoblauch, Byron Center, MI (US);
Duane M Beukema, Grand Rapids, MI (US);
Kenneth W Hozeski, Grandville, MI (US);
Steelcase Inc., Grand Rapids, MI (US);
Abstract
The specification discloses a chair control in which a chair height adjustment actuator includes a handle whose position does not change relative to the tilting member of the chair control. The handle is pivotally mounted to the tiltable member and engages the end of a linkage rod pivotally mounted to the handle. The other end of the linkage rod is pivotally joined to an actuator arm which in turn is pivotally secured to the mounting member of the stationary chair control housing adjacent that point at which the mounting member is secured to a chair base of the type having a height adjustment actuator located at the top of the chair base column.