Title:
MASSAGE CHAIR
Document Type and Number:
Japanese Patent JP2009153538
Kind Code:
A
Abstract:
To provide a massage chair capable of effectively improving the durability of a backrest part having a built-in massaging mechanism with a treatment device.
The inner cover member 33 and the outer cover member 34 disposed to close an opening of a back board are the parts on which a massaging ball 41a of the treatment device 41 works. The friction resistance in the cross direction in which the massaging ball 41a does not rotate is smaller than that in the vertical direction in which the massaging ball 41a rotates in the inner cover member 33 and the outer cover member 34.
Inventors:
TSUTSUI SHINJI
SHIMIZU KEISUKE
TERADA MITSUHARU
SHIMIZU KEISUKE
TERADA MITSUHARU
Application Number:
JP2007331409A
Publication Date:
July 16, 2009
Filing Date:
December 25, 2007
Export Citation:
Assignee:
PANASONIC ELEC WORKS CO LTD
International Classes:
A61H15/00; A61H7/00
Domestic Patent References:
| JPH10295757A | 1998-11-10 | |||
| JPS5575326U | 1980-05-24 | |||
| JP2007089695A | 2007-04-12 | |||
| JP2003265566A | 2003-09-24 | |||
| JPH04138158A | 1992-05-12 |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda