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    • 74. 发明专利
    • KNEADING BALL OF MASSAGE MACHINE
    • JPH10328258A
    • 1998-12-15
    • JP14235497
    • 1997-05-30
    • MATSUSHITA ELECTRIC WORKS LTD
    • HOJO HIROYUKISUGAWA AKIHIDEOWA MASATOSHIKUSANO NAOMI
    • A61H7/00A61H15/00
    • PROBLEM TO BE SOLVED: To keep a kneading ball from being separated by large load by covering both sides of the inner peripheral part of the kneading ball with a bearing member, integrally providing a ring made of a rigid body in the inner peripheral part, and freely turning the kneading ball round the axis by the bearing member. SOLUTION: An annular kneading ball 1 is installed on the outer periphery of a shaft part 20 of an arm 2 through bearing members 3, 4. A metallic cylindrical ring 5 is integrally provided in the inner peripheral part of the kneading ball 1. The ring may be not made of metal as far as it has enough strength and rigidity. Plural rings 5 which are not cylindrical may be integrally formed at spaces in the axial direction. The ring 5 has the axial length substantially equal to the axial length of the inner peripheral part of the kneading ball 1 and is fixed to the kneading ball 1, whereby the inner peripheral part can be prevented from floating from the outer peripheral surface of the bearing member 4 of the inner peripheral part under the load (reaction force) F of the kneading massage load. Accordingly, the kneading ball 1 cannot be detached even with large load.
    • 79. 发明专利
    • MASSAGE MACHINE
    • JPH05168668A
    • 1993-07-02
    • JP34043791
    • 1991-12-24
    • MATSUSHITA ELECTRIC WORKS LTD
    • SUGAWA AKIHIDE
    • A61H15/00
    • PURPOSE:To improve the use convenience or massage effect of the massage machine by fixedly holding the height position of a body with a spare roller by vertically moving the spare roller which moves while following up a main roller, corresponding to the unevenness of the body with the movement. CONSTITUTION:A main roller 3 is rotated by a motor 9, and a person laid on a sheet cover 2 of a bed 1 is kneaded massaged. At the same time, a guide roller 17a is turned through a rack 8 by the motor 9, a driving block 10 is moved along a rail 7, and the main roller 3 is moved forward and backward so as to execute rolling massage. Further, a spare roller 4 linked to the driving block 10 by a linking panel 51 is moved forward and backward as well. Then, the massage effect is improved by moving the spare roller 4 with a shaft 4a made eccentric to a roller shaft 12 as a center. At such a time, the eccentric amount of the spare roller 4 is adjusted so as to vertically move the spare roller 4 over the prescribed range of the human body.