MASSAGE MACHINE AND CHAIR-TYPE MASSAGE APPARATUS
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United States of America Patent
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Issued Date -
Dec 9, 2010
app pub date -
Nov 18, 2008
filing date -
Nov 29, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A massage machine equipped with air cells (23a, 23b) disposed opposite to each other at a given distance therebetween in the up-down direction, a pair of support plates (22, 22) for supporting the air cells (23a, 23b) from the outside in the up-down direction, a pair of rotation portions (21) for applying a drive force to the pair of support plates (22, 22) in the front-rear direction and for supporting the support plates (22, 22) on both the left and right sides, guide portions (25) formed in the pair of rotation portions (21) to support the pair of support plates (22) so that the pair of support plates is movable in a direction in which the support plates (22) approach and separate from each other, biasing portions (26) for biasing the pair of support plates (22) in a direction in which the support plates approach each other, and a drive unit (28) for applying a rotation drive force to the rotation portions (21).
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