JPS638786B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a chair-type pine massager having a pair of kneading wheels built into the backrest of the chair for performing kneading motions and vertical motions.

The pair of kneading wheels are attached to the drive shaft with the kneading wheels tilted toward each other and both eccentric in the same direction, and massage the back of the human body sitting on the chair through the front cover of the backrest. A pushing motion is obtained from the change in the amount of protrusion of the massaging wheels toward the front surface of the backrest, and a kneading motion is obtained from the mutual inclination, and kneading and massaging is performed by a combination of both motions. By the way, in the case of conventional chair-type pine surgers, the rack installed on the frame of the chair is linear in the vertical direction, so the pinion that meshes with this rack is difficult to move the fixed drive shaft. The accompanying massaging wheel only moves in a straight line in the vertical direction, and when a person is sitting on a chair, the front side of the backrest that touches the back of the person can be treated with the massaging wheel, but it does not touch the backrest of the chair. There was a problem in that the upper part of the shoulder could not be treated from above and the shoulder massaging effect was inferior.

The present invention has been provided in view of the above-mentioned points, and an object of the present invention is to provide a chair-type pine massager having an excellent shoulder massaging effect.

Embodiments of the present invention will be described in detail below with reference to the drawings.

3 in the figure is a chair, and this chair 3 has a frame 4,
A headrest part 9 of the backrest, a backrest part 11 provided with a front cover 10 of the backrest, and a cover 1
2, and armrests 14 formed on both sides of the seat 13. 5 is a frame 4 on the back side of the backrest portion 11 of the chair 3;
This rack 5 is formed over approximately the entire length of the backrest 11 of the frame 4 in the vertical direction, and the upper end of the rack 5 is bent into a U-shape on the front side of the backrest 11. The teeth are formed continuously. Reference numeral 15 denotes a drive section installed on the back side of the backrest portion 11 between the racks 5, 5 so as to be movable in the vertical direction of the rack 5;
5 is composed of a pinion 6 that meshes with the rack 5, a drive shaft 2, a kneading wheel 1, a clutch 16, a motor 8, etc. That is, the pinion 6 is fixedly installed at both ends of the moving drive shaft 7, and the pinion 6 guides the roller 2.
1 is provided. A drive shaft 2 is provided on the coaxial outer periphery of this drive shaft 7 for free rotation and extends over substantially the entire length of the drive shaft 7 for movement. At approximately the center of the drive shaft 2, a pair of kneading wheels 1, 1 eccentric in the same direction and tilted toward each other are attached. The drive shaft 2 and the drive shaft 7 for movement are connected to a clutch 16 consisting of a speed reduction mechanism, a solenoid 17, etc., and this clutch 16 is connected to a motor 8 and a belt 1, which can be rotated forward and backward.
8. Reference numeral 19 denotes a switch section that turns on and off the power supply and drives the drive shaft 2 and the moving drive shaft 7 via the clutch 16. Reference numeral 20 designates a guide rail for rollers 21 which also serves as a protective cover for the rack 5 and pinion 6. Here, drive shaft 2
The kneading wheel 1 is rotated by the rotation of the kneading wheel 1, and since the kneading wheel 1 is eccentric, a pushing motion and a kneading motion by tilting are performed through the front cover 10 due to a change in the amount of protrusion caused by the rotation. The rotation of the moving drive shaft 7 causes the pinion 6 to move on the rack 5 and drive the drive unit 15.
is moved. Therefore, the massage wheel 1 is the backrest part 11
A so-called rolling pine surge is performed by moving the back surface of the pine vertically. At this time, the driving shaft 2 may not rotate and the amount of protrusion of the kneading wheel 1 is fixed, or the driving shaft 2 may be rotated and the rolling pine surge may be performed while the kneading wheel 1 performs a pushing operation.

Then, the position of the massaging wheel 1 is appropriately moved using the moving drive shaft 7, and the massaging wheel 1 makes a pushing motion as shown in FIG. 3a, thereby treating the back of the person.
In addition, as shown in Fig. 3b, in order to perform treatment from above the shoulder, the pinion 6 to which the moving drive shaft 7 is fixed is placed on the front side of the backrest at the U-shaped end of the rack 5. The kneading wheel 1 is rotated by moving the kneading wheel 1 up to a certain point and rotating the drive shaft 2, and the treatment is performed from above the shoulder by changing the amount of protrusion of the kneading wheel 1. Also, in this case, one massage wheel should be adjusted according to the person's height.
The tip of the rack 5 extends slightly downward so that it can be moved, allowing treatment to be performed at any position.

As described above, the present invention provides a chair-type pine surger in which the upper end of the rack provided on the frame of the backrest of the chair is bent into a U-shape toward the front.
A moving drive shaft with a fixed pinion that engages with the rack is moved to the tip of the rack that is bent into a U-shape.
Traditionally, the kneading wheel can be moved above the person's shoulders.
Compared to the case where the massaging ring could only be moved to the back of the person, the treatment can be performed from above the shoulders, providing an excellent shoulder massaging effect.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the embodiment of the present invention as seen from the back, FIG. 2 is a perspective view of the same as above, and FIGS. 3 is a chair, 4 is a frame, 5 is a rack, 6 is a pinion, 7 is a driving shaft for movement, 8 is a motor, and 16 is a clutch.

Claims (1)

[Claims] 1 A moving drive in which a pair of kneading wheels are mounted eccentrically on a drive shaft, and a pinion that engages with a rack provided on the frame of the chair back is fixed, and the rotation of the pinion moves the drive shaft along the frame. In a chair-type pine surger, in which the drive shaft and the moving drive shaft are both connected via a clutch to a motor that can freely rotate forward and backward, the upper end of the rack installed in the frame of the backrest of the chair is placed on the front side. niU
A chair-type pine surge device characterized by being curved into a letter shape.