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:
Nov. 07, 2023
Filed:
Nov. 02, 2022
Millerknoll, Inc., Zeeland, MI (US);
Mark Goetz, Brooklyn, NY (US);
Brock Walker, Okemos, MI (US);
John Aldrich, Grandville, MI (US);
Andy Squires, Grandville, MI (US);
Chris Holwerda, Hudsonville, MI (US);
Adwait Bhagwat, Holland, MI (US);
MILLERKNOLL, INC., Zeeland, MI (US);
Abstract
A lower chair for supporting an upper chair on which a user sits. The lower chair including a base, a swivel mechanism supported by the base and defining a vertical swivel axis, and a four-bar linkage mounted to the swivel mechanism for rotation about the swivel axis. The four-bar linkage includes a coupler link that moves about a coupler curve. The lower chair also includes a column having a lower end affixed to the coupler link for movement of the lower end along the coupler curve. The column defines a column axis and is adapted to support the upper chair.