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. 14, 2002
Filed:
Nov. 17, 1995
William E. Stumpf, Minneapolis, MN (US);
Rodney C. Schoenfelder, Minneapolis, MN (US);
Donald Chadwick, Los Angeles, CA (US);
Carolyn Keller, Holland, MI (US);
Timothy P. Coffield, Grand Rapids, MI (US);
Randy J. Sayers, Belding, MI (US);
Jeffrey W. Bruner, Greensboro, NC (US);
George A. Miles, West Olive, MI (US);
Eric Cammenga, Holland, MI (US);
Philip Crossman, Grand Rapids, MI (US);
Herman Miller, Inc., Zeeland, MI (US);
Abstract
A tiltable chair including a base member ( ), a seat ( ), a back ( ), and a linkage assembly ( ) adapted to allow the seat and back to tilt downwardly and rearwardly and to allow pivotal movement of the seat about a pivot axis ( ) in substantial alignment with the hip joints of a user. Other aspects of the invention are to provide a vertically adjustable column ( ) for supporting the seat of the chair, a support assembly including a frame member ( ) having a central opening therethrough and a receptacle formed around the perimeter thereof, a carrier member adapted to fit inside the receptacle, and a membrane of elastic material ( ) covering the central opening, and a pair of armrests ( ) adapted to be mounted to the chair to allow pivotal movement thereof.