Office chair

US9913539B2 · kind B2 · utility

Assignee

• Haworth, Inc. · US

Inventors

• Martin Potrykus · Bamberg, DE
• Peter LaDuke · Holland, US
• Jason Wilhelm Hall · Holland, US
• Timothy J. Scholma · Fryeburg, US
• Nicolai Czumaj-Bront · Grand Rapids, US
• Teresa A. Bellingar · Holland, US
• Michael W. Welsh · Rockford, US
• Larry A. Wilkerson · Ferguson Road, US
• Kyle R. Fleet · Byron Center, US

Key dates

• Filing date: Mar 14, 2014
• Grant date: Mar 13, 2018
• Expiry date: Mar 14, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A47C31/023
• WIPO field: Furniture, games
• WIPO sector: Other fields

Abstract

A back support for a chair includes a chair frame, a pair of upright support posts mounted to the chair frame, the upright support posts being laterally flexible with respect to the chair frame, a plurality of flexible support arms extending laterally outwardly from the upright support posts, the support arms each including a peripheral edge, the support arms including a first set of support arms extending in a first lateral direction from the upright posts and a second set of support arms extending in a second direction from the upright posts; and a material extending in tension between the peripheral edges of the first set of support arms and the peripheral edges of the second set of support arms such that at least a central portion of the material is spaced from the support arms. In addition, a seat support includes a repositionable front edge.