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Patent Searching and Data


Title:
背もたれ
Document Type and Number:
Japanese Patent JP4210223
Kind Code:
B2
Abstract:
There is described 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, 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.

Inventors:
Stump William E
Shoenfelder Rodney See
Chadwick Donald
Keller Caroline
Cofield Timothy P
Sayers Randy Jay
Bruner Jeffrey W
Miles George A
Crossman philippe
Camenga Eric
Application Number:
JP2004008222A
Publication Date:
January 14, 2009
Filing Date:
January 15, 2004
Export Citation:
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Assignee:
HERMAN MILLER INCORPORATED
International Classes:
A47C7/32; A47C7/40; A47C1/026; A47C1/03; A47C1/032; A47C1/035; A47C3/00; A47C3/025; A47C3/026; A47C3/18; A47C3/20; A47C3/24; A47C3/26; A47C3/30; A47C3/40; A47C5/02; A47C7/00; A47C7/02; A47C7/14; A47C7/24; A47C7/28; A47C7/54; A47C23/14; A47C27/12; A47C31/00; B29C45/14; B68G11/00; D03D1/00; D03D9/00; D03D13/00; F16M11/28
Domestic Patent References:
JP60128555U
JP4110563U
JP1298239A
JP6354358U
JP6224758U
Foreign References:
US0614235
US4634178
Attorney, Agent or Firm:
Shigeru Ito