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Title:
CHAIR
Document Type and Number:
Japanese Patent JP2009268496
Kind Code:
A
Abstract:

To provide a pipe chair excellent in the strength of attachment of a backrest.

The backrest 4 is composed of a back sheet 18 stretched over a back frame 17 opened in the front and rear, and is attached to right and left back supports 13. The upper ends of the back supports 13 are anchored to armrest parts 14 (side frames) by welding. Vertical long grooves 23 to be fitted into the back supports 13 are formed in substantially the lower half parts of right and left side members 19 constituting the back frame 17. With this structure, the backrest 4 is held in such a state as not to move in the longitudinal direction or in the lateral direction and the back supports 13 are anchored to the armrest parts 14, and as a result, the significant supporting strength can be exhibited. The side members 19 of the back frame 17 are fixed to upper brackets 24 with screws 25, the lower end of the back frame 17 is fitted into a rear frame 5, and lower brackets 39 are fixed to a rear stay 8 with screws 40.


Inventors:
TANAKA KEISUKE
HASHIMOTO NORIYUKI
Application Number:
JP2008118788A
Publication Date:
November 19, 2009
Filing Date:
April 30, 2008
Export Citation:
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Assignee:
ITOKI CORP
International Classes:
A47C7/40; A47C5/10
Domestic Patent References:
JP2007202591A2007-08-16
JP2001008785A2001-01-16
JP2002253391A2002-09-10
JP2006271622A2006-10-12
JPS37980Y1
JPS4427217Y11969-11-14
JPH0345210A1991-02-26
JPH10113246A1998-05-06
Attorney, Agent or Firm:
Akio Ishii
Tadashi Higashino
Hiroyuki Nishi
Ryuichi Watanabe