BACK MASSAGE DEVICE PROVIDED TO CHAIR TYPE MASSAGE MACHINE AND CHAIR TYPE MASSAGE MACHINE WITH SAME

WIPO Patent Application WO/2011/065038

A1

A back massage device capable of causing a massage mechanism to protrude forward and returning the massage mechanism to the original position, wherein the back massage device is configured so that the massage effect does not deteriorate, the massage mechanism can be moved forward and backward a sufficient amount, and the back massage device is not mechanically large and complex. A back massage device (4) provided to a chair type massage machine (1) is provided with: a massage mechanism (10) having a pair of left and right massage members (17); a base member (12) for pivotably supporting the mechanisms (10) at the lower end side thereof; a vertical movement mechanism (13) for vertically moving the base member (12); an extension/retraction operation mechanism (14) for driving and rocking the massage mechanism (10); and a rocking limiting mechanism (15) for limiting the pivoting angle of the massage mechanism (10) so that, at a raised position, the upper ends of the massage members (17) protrude forward and, at a lowered position, the lower ends of the massage members protrude forward.

LIU YING (JP)
NUMATA KOICHI (JP)
SHIMIZU SHINSAKU (JP)
ISHIGURO FUMITAKA (JP)

PCT/JP2010/056734

June 03, 2011

April 15, 2010

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DAITO ELECTRIC MACHINE IND (JP)
LIU YING (JP)
NUMATA KOICHI (JP)
SHIMIZU SHINSAKU (JP)
ISHIGURO FUMITAKA (JP)

A61H7/00; A61H15/00; A61H23/02

JP2008104765A	2008-05-08
JP2008253467A	2008-10-23
JP2004041689A	2004-02-12
JP2001112831A	2001-04-24
JP2005237662A	2005-09-08
JP2002360647A	2002-12-17

YASUDA, MIKIO (JP)
Mikio Yasuda (JP)

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