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. 30, 2017
Filed:
Sep. 18, 2013
Steelcase Inc., Grand Rapids, MI (US);
Christopher J. Norman, Middleville, MI (US);
Nickolaus William Charles Deevers, Grand Rapids, MI (US);
Todd Quigley, Caledonia, MI (US);
Mark J. Dinneweth, Spring Lake, MI (US);
Steelcase Inc., Grand Rapids, MI (US);
Abstract
A chair back assembly includes a substantially rigid peripheral frame defining a central opening, and a substantially flexible back shell coupled to the peripheral frame and spanning at least a portion of the central opening, wherein a first portion of the back shell is fixed with respect to the frame at a first position, a second portion of the back shell is fixed with respect to the frame at a second position that is different than the first position, a third portion of the back shell is constrained with respect to the frame in at least one direction of motion at a third position located between the first position and the second position, and wherein a fourth portion of the back shell is free from constraint with respect to the frame at a fourth position located between the third position and the second position.