Surgery: kinesitherapy – Kinesitherapy – Device with applicator having specific movement
Patent
1995-06-13
1997-11-11
DeMille, Danton D.
Surgery: kinesitherapy
Kinesitherapy
Device with applicator having specific movement
601112, 601113, 601118, 601128, 601131, A61H 1500
Patent
active
056858272
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to roller massaging devices.
BACKGROUND ART
Conventionally, massaging devices for home use have been roughly divided into those of: kneading-ball type comprising a pair of kneading balls transversely mounted on a housing so that they can rock; vibrator type comprising a vibrator provided on one end of a hand-held cylindrical body; and roller type comprising a plurality of massaging rollers disposed on a rotary table in the circumferential direction thereof.
To be more specific about the roller-type massaging devices, the plurality of massaging rollers are circumferentially disposed at regular intervals on the rotary table rotatable around a main shaft. A driving means, such as an electric motor, is also provided to rotate the rotary table, so that the massaging rollers revolve together with the rotary table. When pressed onto a stiff part of a user's body, the revolving massaging rollers improve blood circulation in the stiff part, thereby exerting massaging effects (see Japanese Unexamined Utility Model publications SHO 62-30827 and HEI 4-114330).
However, the conventional roller-type massaging devices provide only massaging effects resulting from rolling action, since the massaging rollers are merely attached to the rotary table so that they can roll freely. As a result, if the user wants to have massaging effects resulting from kneading action as well, he should purchase another massaging device exclusively for kneading.
Even when a massaging device exclusively for kneading is combined with a massaging device exclusively for rolling, if the rolling action currently performed is to be switched to the kneading action, for example, the whole massaging device exclusively for rolling should be replaced with the whole massaging device exclusively for kneading. This selective use of the two massaging devices causes significant inconvenience to the user.
SUMMARY OF THE INVENTION
In view of the foregoing situation, an object of the present invention is to provide a roller massaging device which can perform massage resulting from either rolling action or kneading action and which implements easy switching between the two actions.
To attain the above object, the present invention provides the following technical means.
More specifically, a roller massaging device of the present invention comprises: a casing; a main shaft vertically extending and rotatably inserted through the casing; a rotary table having a central portion coupled to an upper end of the above main shaft; a plurality of rotors rotatably provided above a top face of the above rotary table by means of subordinate shafts each extending in parallel with the above main shaft; massaging rollers positioned above the rotors eccentrically with the above subordinate shafts; a rotor operating system for causing the above rotors to rotate around the above respective subordinate shafts; a rotary table operating system for causing the above rotary table to revolve around the above main shaft, while inhibiting the rotation of the above rotors around the above respective subordinate shafts; and a driving means for activating either one of the above rotor operating system and the above rotary table operating system.
According to the present invention, if the driving means activates the rotor operating system, the rotors rotate around the respective subordinate shafts, which allows the massaging rollers provided in the respective rotors to move independently over the rotary table, resulting in kneading action.
On the other hand, if the driving means activates the rotary table operating system, the rotary table revolves around the main shaft while inhibiting the rotation of the rotors around the respective subordinate shafts, which allows each of the massaging rollers to revolve around the main shaft while maintaining a given distance therebetween, resulting in rolling action.
Thus, according to the present invention, both rolling action and kneading action can be performed by a single roller massaging device, so t
REFERENCES:
patent: 1635497 (1927-07-01), Ruttger-Pelli
patent: 1777151 (1930-09-01), Ruttger-Pelli
patent: 1899208 (1933-02-01), Murphy
Daito Electric Machine Industry Company Limited
DeMille Danton D.
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