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:
Jun. 30, 2026
Filed:
May. 08, 2024
Steelcase Inc., Grand Rapids, MI (US);
Kurt R. Heidmann, Grand Rapids, MI (US);
Russell T. Holdredge, Alto, MI (US);
Olukemi Chrissie Esi Johel, Grand Rapids, MI (US);
Gary Karsten, Wyoming, MI (US);
Nicholas Miles Krupansky, East Grand Rapids, MI (US);
Nickolaus William Charles Deevers, E Grand Rapids, MI (US);
Steelcase Inc., Grand Rapids, MI (US);
Abstract
A tilt control system includes a spring adjuster and compression spring, which may be removed in an unstressed condition. The tilt control system may also include a variable back stop having curved transition surfaces between the stop surfaces. A lumbar compensator may be integrated into a backrest, which may be coupled with a quick release to the base and actuated by sliding engagement with the seat.