Title:
CHAIR, SEAT PORTION, AND BACKREST
Document Type and Number:
WIPO Patent Application WO/2021/141073
Kind Code:
A1
Abstract:
A first aspect of the present disclosure provides a chair. This chair is provided with a seat portion in which the mode of deformation of at least a portion of a seating surface is isolated in such a way that a target curved surface including a complex curved surface having a prescribed type, relative to a prescribed position, is formed irrespective of the position of the buttocks of a user when the user is seated.
Inventors:
OHSHIMA TAISUKE
YAMAMOTO RYU
SATO KOKI
TANAKA KEISUKE
UEHARA NAOKI
YAMAMOTO RYU
SATO KOKI
TANAKA KEISUKE
UEHARA NAOKI
Application Number:
PCT/JP2021/000275
Publication Date:
July 15, 2021
Filing Date:
January 07, 2021
Export Citation:
Assignee:
NATURE ARCH INC (JP)
MITSUI CHEMICALS INC (JP)
MITSUI CHEMICALS INC (JP)
International Classes:
A47C7/14; A47C7/30; A47C7/40
Foreign References:
| JP2017121334A | 2017-07-13 | |||
| JP2019063177A | 2019-04-25 | |||
| JP2015134085A | 2015-07-27 | |||
| JP2017114308A | 2017-06-29 | |||
| JP2005160558A | 2005-06-23 | |||
| JP2018191807A | 2018-12-06 | |||
| JP2015016232A | 2015-01-29 | |||
| JP2020001891A | 2020-01-09 |
Other References:
See also references of EP 4088621A4
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
Download PDF: