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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.:

US 9844267 B1

PDFFull Text
Date of Patent:
Dec. 19, 2017

Filed:

Sep. 23, 2016

Chair back mechanism and control assembly

Applicant:

Steelcase Inc., Grand Rapids, MI (US);

Inventors:

Robert J. Battey, Middleville, MI (US);

Gary Lee Karsten, Wyoming, MI (US);

Kurt R. Heidmann, Grand Rapids, MI (US);

Todd T. Andres, Sparta, MI (US);

Assignee:

Steelcase Inc., Grand Rapids, MI (US);

Attorney:

Price Heneveld LLP

Primary Examiner:

Rodney B White

Int. Cl.
CPC ...
A47C 3/025 (2006.01); A47C 3/026 (2006.01); A47C 1/024 (2006.01); A47C 7/24 (2006.01); A47C 7/46 (2006.01); A47C 1/032 (2006.01); A47C 7/54 (2006.01); A47C 31/02 (2006.01); A47C 1/03 (2006.01); A47C 3/30 (2006.01); A47C 7/02 (2006.01); A47C 7/14 (2006.01); A47C 7/18 (2006.01); A47C 7/40 (2006.01); A47C 1/14 (2006.01); A47C 7/00 (2006.01); A47C 7/44 (2006.01); A47C 5/00 (2006.01); A47C 5/12 (2006.01); A47C 3/20 (2006.01); B68G 7/12 (2006.01);
U.S. Cl.
CPC ...
A47C 1/024 (2013.01); A47C 1/03 (2013.01); A47C 1/032 (2013.01); A47C 1/03255 (2013.01); A47C 1/03261 (2013.01); A47C 1/03266 (2013.01); A47C 1/03272 (2013.01); A47C 1/14 (2013.01); A47C 3/20 (2013.01); A47C 3/30 (2013.01); A47C 5/00 (2013.01); A47C 5/12 (2013.01); A47C 7/004 (2013.01); A47C 7/006 (2013.01); A47C 7/022 (2013.01); A47C 7/14 (2013.01); A47C 7/185 (2013.01); A47C 7/24 (2013.01); A47C 7/40 (2013.01); A47C 7/44 (2013.01); A47C 7/441 (2013.01); A47C 7/443 (2013.01); A47C 7/46 (2013.01); A47C 7/462 (2013.01); A47C 7/54 (2013.01); A47C 31/02 (2013.01); A47C 31/023 (2013.01); B68G 7/12 (2013.01); Y10T 29/481 (2015.01); Y10T 29/49826 (2015.01); Y10T 29/49947 (2015.01);
Abstract

A chair assembly includes a seat support structure, a back support structure, a back tensioning assembly adjustable between low and high tension positions, an actuator assembly adapted to adjust the back tensioning assembly between the low and high tension positions, a control input assembly actuable by rotating the portion of the control input assembly, and a control link assembly operably coupling the control input assembly with the actuator assembly to adjust the back tensioning assembly between the low and high tension positions upon rotation of the portion of the control assembly by a seated user, wherein a number of rotations of the portion of the control input assembly is not limited by the control link.

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