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Title:
CHAIR SEAT-INSTALLING STRUCTURE
Document Type and Number:
Japanese Patent JP2012090685
Kind Code:
A
Abstract:

To provide a chair seat-installing structure for inhibiting the looseness or breakage of a screw.

In a chair having a chair seat 11 and a leg member, side plates 41 extending, hanging downward are formed on the outer periphery of the chair seat 11. Ribs 43 are formed on the inside of the chair seat 11 away from the outer periphery and along the side plates 41. Circumferential grooves 47 are formed around a screw hole 45 formed in the rib 43 and each have a circumferential shape about the screw hole 45, and the groove 47 divides a columnar screw mounting portion 49 surrounding the screw hole 45 from the peripheral parts. The leg member has supporting portions 31 having catches 33, and peripheral parts 51 positioned around the groove 47 and the mounting portion 49 butt against the catch.


Inventors:
Kumazawa, Takumi
Application Number:
JP2010000238924
Publication Date:
May 17, 2012
Filing Date:
October 25, 2010
Export Citation:
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Assignee:
AICHI KK
International Classes:
A47C5/06; A47C7/02
Domestic Patent References:
JP2009268496A2009-11-19
JPH0574342U1993-10-12
JP2010094455A2010-04-30
Attorney, Agent or Firm:
名古屋国際特許業務法人