JPH0744956B2 - Finger trainer - Google Patents

Description

TECHNICAL FIELD The present invention relates to a portable finger trainer.

[Prior Art] The applicant of the present invention previously disclosed in Japanese Patent Publication No. 52-38456.
Suggested a finger trainer. This finger training device includes a grip that can be gripped with one hand, two spaced arms that extend laterally from the grip, and a pair of rollers that are rotatably supported side by side between the arms. , Each of which is fixed to these rollers and meshes with each other, and the operator grasps the grip portion with his / her hand and uses one of the remaining three fingers (index finger, middle finger, ring finger) of the thumb. Are trained on the rollers by reciprocating the rollers and the rollers in a range of a constant angle in opposite directions.

It is conventionally known that the conscious movement of fingers stimulates the brain to enhance memory, and it is possible to help the memory by repeatedly writing English words such as spelling. Furthermore, it has been explained from the viewpoint of cerebral physiology that it is effective for rehabilitation of physically handicapped persons and the elderly, and is effective for finger training of people without grip.
Furthermore, finger training is also known to help improve writing.

[Problems to be Solved by the Invention] The above finger training device proposed by the applicant of the present invention can also be held in one hand to perform the above finger training.
However, with the above-mentioned finger trainer, it is not possible to perform fingertip training in a state in which the angle between the wrist and the fingertip is changed while the grip portion of the trainer is held.

The object of the present invention is to improve the finger trainer previously proposed by the present applicant, and practice letters in various states from the wrist to the fingers,
Another object of the present invention is to provide a finger trainer that is more effective in the rehabilitation action for improving the gripping power of the physically handicapped and the elderly.

[Means for Solving the Problems] In order to achieve the above object, a finger training device according to the present invention is provided with a grip body having a grip that can be gripped with one hand, and a tip of the grip body. A roller support frame, which is substantially U-shaped when viewed from the side and has a roller mounting frame having two separated arms, the upper surface of which is disposed along the side surface of the roller support frame. A rotary shaft is fixed to the upper surface of the roller mounting frame and one side of the roller support frame, a fixed frame is fixed to the other side, a positioning plate is fixed to the rotary shaft, and the ball storage portion of the fixed frame is elastically fixed. The ball supported by the roller is pressed into contact with the concave portion provided at the tip of the positioning plate, and a pair of rollers having irregularities in the outer circumference and in the axial direction are supported between both arms of the roller mounting frame, and each roller is provided. The feature is that the gears are meshed with each other.

[Operation] It is possible to train the fingertip by repelling the roller with the fingertip under various modes in which the grasping portion is grasped with one hand and rotating the roller. Also, by rotating the roller support frame by a predetermined angle about the rotation axis as a fulcrum and training, the angle of the fingertip with respect to the wrist is changed and the point of view of the writing instrument tip is confirmed. You can do finger training at.

Embodiments Embodiments of the present invention will be described below with reference to the drawings. 1 to 7, the finger trainer has a grip portion 1 having a size that can be gripped by one hand, and the grip portion 1 has a grip portion main body 2 located on the hand side and a grip portion main body 2 on the tip side. And a roller support frame 5 for rotatably supporting a roller mounting frame 43 having two spaced arms 3 and 4, and the grip body 2 and the roller support frame 5 are provided with a support shaft 6 Are rotatably connected by a predetermined angle. In the grip portion 1, a positioning frame 7 is pivotally supported by the support shaft 6, and one end portion 8 of the positioning frame 7 is locked to a notch portion 11 of a stopper plate 10 in the roller support frame 5. A plurality of recesses 12 are formed at the other end of the positioning frame 7 in an arcuate position, and the recesses 12 can be engaged with the cylindrical body 14 fitted in the rod-shaped spring 13.

The rod-shaped spring 13 is a U-shaped frame body as shown in FIGS. 9 and 10.
The U-shaped frame 15 is inserted and held in holes 16 on both sides of the frame 15, and the U-shaped frame 15 is fixed by a holding frame 17 in the grip body 2.
Further, for the convenience of arrangement of each member, the support shaft 6 is a hole of the U-shaped frame 15.
It is provided through 18.

Therefore, the grip portion main body 2 and the roller support frame 5 can be rotated by a predetermined angle with the support shaft 6 as a fulcrum, and the rod-shaped spring 13 bends so that its cylindrical body 14 engages with any one of the recesses 12 of the positioning frame 7. When doing so, the above-mentioned rotational angle position can be stably held.

Further, between the arms 3 and 4, a pair of rollers 20 and 20 having irregularities in the outer peripheral axial direction are rotatably supported. Gears 21, 21 are fixed to one end of each roller 20, 20, and these gears 21, 21 mesh with each other, and when either roller 20, 20 is rotated with a fingertip, the opposite direction is obtained. It is designed to rotate synchronously.

Further, a protrusion 27 is provided on the outer surface of the outer arm 4, and the protrusion 22 has a pore 23 extending in the lengthwise direction of the arm 4 and along the pore 23, a pore 23. There is a slot 24 communicating with the above.

On the other hand, a slender pointer member 25 slidable in the pore 23 is fitted in the pore 23, and a neck portion 26 slidable in the slot 24 and an upper end of the protrusion 22 are fitted in the upper portion of the pointer member 25. To form a finger hook 27 that is elongated in the longitudinal direction of the arm 4 and moves the finger hook 27 so that the tip of the finger hook 27 projects forward from a state along the outer arm 4. It is slidably attached to. Then these arms 3,
The part including 4 and the rollers 20, 20 is the roller mounting frame as described above.
It is as 43.

The rotary shaft 29 protruding from the upper surface 28 of the roller mounting frame 43 is inserted into a guide cylinder 31 provided inside the roller support frame 5 and, if necessary, is prevented from being disengaged from the guide cylinder 31 by the collar 30. It is provided. A positioning plate 36 is fixed to the rotating shaft 29.

On the other hand, 32 is a U-shaped fixed frame when viewed from the side.
The numeral 32 is fixed inside the roller support frame 5. And
The positioning plate 36 provided on the rotary shaft 29 is inserted into a gap 37 between the upper and lower plates of the fixed frame 32. Furthermore, the gap of the fixed frame 32
A recess 33 for ball storage is provided at the back of 37.
A spring 34 and a ball 35 pushed by the spring 34 are stored in 33. The balls 35 are pressed into engagement with a plurality of recesses 41 provided at the tip of the positioning plate 36.

Therefore, when the roller mounting frame 43 is rotated about the rotating shaft 29 as a fulcrum, the balls 35 are pressed into engagement with the three recesses 41 formed at the tip of the positioning plate 36 with different arrangement angles, and the roller mounting frame is located at this position. 43 can be rotationally displaced.
Therefore, as shown in FIGS. 3 (A) and 3 (B), fingertip training can be performed in a state where the angular positions of the grip body 2 and the rollers 20, 20 are different, and the grip body 2 side Training can be performed under various modes in which the angle between the wrist and the fingertips that repel the rollers 20 and 20 is different. Furthermore, during the writing training, it is possible to perform training while confirming this by assuming the point of view of the writing tool described above in a state in which the writing tool is brought closer to the state of holding the writing tool. It should be noted that the rotary shaft 29 and the fixed frame 32 may be arranged in reverse with respect to the respective roller mounting frames 43 and the roller supporting frame 5.

The finger trainer of this embodiment is as described above, and is shown in FIGS.
As shown in the figure, the grip body 2 and the roller support frame 5 can be gripped while being rotated by a predetermined angle about the support shaft 6 as a fulcrum,
Further, since the roller mounting frame 43 can be rotationally displaced at a predetermined angle with the rotating shaft 29 as a fulcrum, the user can perform finger training by reproducing the same feeling as holding a pen, pencil or the like in various gripping states. it can.

[Effects of the Invention] As described above, according to the finger trainer of the present invention, the fingertip can be effectively trained by operating the gripper with one hand and rotating the roller with the fingertip. It can stimulate aging and prevent aging, and is effective for rehabilitation of physically handicapped and elderly people. Furthermore, according to this finger training machine,
There is an effect of improving writing. Especially, in the present invention, since the roller mounting frame of the finger trainer is provided so as to be rotatable by a predetermined angle with respect to the grip body and the roller support frame, the angle between the wrist and the fingertip during training is changed. It is possible to perform finger training according to the mode when the writing instrument is gripped, and by providing the angle described above, it is possible to assume the fulcrum to see the tip of the writing instrument and to easily confirm the position. is there.

[Brief description of drawings]

FIG. 1 and FIG. 2 show two parts of the grip portion of the finger training device according to the present invention.
FIGS. 3 (A) and 3 (B) are perspective views showing usage states of the roller mounting frame in two variations, and FIGS. 4 and 5 are usage states other than FIG. 6 is a sectional view, FIG. 6 is a sectional view, FIG. 7 is an explanatory sectional view of a rotating mechanism of a roller mounting frame, FIG. 8 is a lateral sectional view of FIG. 7, and FIG. 9 is a grasping part main body and a roller supporting frame. A sectional view of the rotation angle holding mechanism,
FIG. 10 is an exploded perspective view thereof. 1 ... Gripping part, 2 ... Gripping part body, 3, 4 ... Arm, 5 ... Roller support frame, 20 ... Roller, 29 ... Rotating shaft, 32 ... Fixed frame, 35
… Ball, 36… Positioning plate, 41… Recess, 43… Roller mounting frame, 45… Top surface.

Claims (1)

[Claims] 1. A gripping part main body having a gripping part that can be gripped with one hand, and a roller support frame provided at the tip of the gripping part main body. A roller mounting frame having two separated arms is arranged with its upper surface portion along the side surface of the roller supporting frame, and a rotary shaft is fixed to the upper surface portion of the roller mounting frame and one side of the roller supporting frame. , A fixed frame is fixed to the other side, a positioning plate is fixed to the rotary shaft, and a ball elastically supported by a ball storage portion of the fixed frame is pressed into a recess provided at the tip of the positioning plate, A finger trainer characterized in that a pair of rollers having an outer periphery and an unevenness in an axial direction are supported between both arms of a roller mounting frame, and gears provided on the respective rollers mesh with each other.