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Title:
CONNECTING STRUCTURE BETWEEN FRAME AND CYLINDRICAL MEMBER OF CHAIR
Document Type and Number:
Japanese Patent JP2012090756
Kind Code:
A
Abstract:

To provide a connecting structure between a frame and cylindrical member of a chair which prevents deterioration in appearance of a connection portion even when the frame is inserted into the cylindrical member made of a resin, the frame having a horizontal cross-section having an outer circumferential contour shape different from an outer circumferential contour shape of a horizontal cross-section of the cylindrical member.

The connecting structure is configured to insert the frame 2 of the chair into the resin cylindrical member 1, the frame having the horizontal cross-section having the outer circumferential contour shape 2b different from the outer circumferential contour shape 1a of the horizontal cross-section of the cylindrical member 1. An inner circumferential contour shape 1b of a horizontal cross-section of the cylindrical member 1 is made to be the same as the outer circumferential contour shape 1a of the horizontal cross-section of the cylindrical member 1 in a concentric manner, and projecting portions 4 are provided on the inner circumferential surface 1c of the cylindrical member 1 to receive the frame 2 at the ends of the projecting portions 4.


Inventors:
Kaneko, Tadashi
Application Number:
JP2010000240418
Publication Date:
May 17, 2012
Filing Date:
October 27, 2010
Export Citation:
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Assignee:
TAKANO CO LTD
International Classes:
A47C7/40; A47C3/04; A47C5/04; F16B7/04; F16B7/18; F16B7/20; F16B12/40
Domestic Patent References:
JP2002125797A2002-05-08
JP2001275783A2001-10-09
JP2002125797A2002-05-08
Attorney, Agent or Firm:
村瀬 一美