Patent · US Active

Backrest

US8602501B2 · kind B2 · utility

20Cited by

39References

26Claims

0Family size

Assignee

Herman Miller, Inc. · US

Inventors

Brock Walker · Okemos, US
John C. Groelsma · Jenison, US
John F. Aldrich · Grandville, US

Key dates

Filing date	Sep 9, 2011
Grant date	Dec 10, 2013
Priority date	—
Expiry date	Dec 28, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47C7/42
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A backrest includes a shell having a first, forwardly facing support surface being more pronounced along upper and lower portions of a central, spine region relative to a middle portion of the central spine region and relative to side regions adjacent the central, spine region. A cushion is disposed over the first support surface. In one aspect, the cushion has a second, forwardly facing support surface being free of any corresponding pronounced portions overlying the pronounced upper and lower portions of the central, spine region of the underlying shell. In another aspect, a chair includes a backrest as disclosed. Methods of use and assembly also are provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.