JPH04304979A - Device for relieving fatigue of arm - Google Patents

Abstract

PURPOSE:To enable manual work using arms at a high position to be efficiently carried out using a simple device and to enable the physical fatigue of the arms, etc., to be relieved. CONSTITUTION:A device for relieving the fatigue of arms comprises a pillow means 20 on which the arm of a user is placed by supporting the elbow, a supporting means 30 which locks the pillow means 20 in such a way that the height of the means 20 is adjustable, and an attaching means 40 for attaching the supporting means 30 to the body of the user.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention is an arm fatigue reducing device that reduces fatigue when working while repeatedly moving the arm up, down, left and right, and while holding it in a fixed position, increasing production efficiency and reducing costs. It is related to.

0002

BACKGROUND OF THE INVENTION As is well known, manual work, particularly work involving the use of arms, includes painting walls, picking fruit, bagging fruit, etc. When performing such work, the worker usually climbs a ladder, stepladder, etc. and performs the work in an unstable position.

Working in such an unstable posture for long periods of time not only reduces work efficiency due to arm fatigue, but also causes physical pain due to shoulder stiffness even after the work is finished. . Although the majority of other types of work have been solved by mechanization to improve work efficiency, there are still many fields that rely on human power, and until now there has been no solution to the above-mentioned work. Ta.

0004

[Problems to be Solved by the Invention] The present invention has been made in view of the above circumstances, and it is possible to efficiently perform work using the arms and reduce physical fatigue with a simple device. It is an object of the present invention to provide a device for reducing arm fatigue.

[0005]

[Means for Solving the Problems] According to the present invention, the above-mentioned problems are solved by providing a pillow means on which an arm is placed, a support means for supporting the pillow means, and a mounting means for attaching the support means to the body. This device is designed to reduce arm fatigue.

[0006] It is preferable that the pillow means and the support means are locked so that they can move up and down via a free locking means, since the height of the pillow means can be freely selected and locked.

[0007] Furthermore, if the pillow means and the support means are swingably connected via a swinging means, the pillow means will have more flexibility and the working range of the arm will be expanded. preferable.

[0008]

[Function] Uses a pillow to protect your arms when performing manual labor at high positions such as painting ceiling walls during construction work, hammering nails, painting on ceilings, or harvesting fruits such as grapes, apples, and pears, bagging, and disinfecting work. Place it on the arm rest. Therefore, the load of the arm is applied to the pillow means, but since the pillow means is latched and supported to the support means so that the height can be adjusted, and the support means is rotatably supported by the shoulder band and the mounting band, You won't get tired even if you use your arms for hours, reducing physical fatigue and improving work efficiency.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on an embodiment shown in the accompanying drawings. 1 to 5 show a first embodiment of the arm fatigue reducing device according to the present invention,
The lightening device includes a pillow means (20
), support means (30) for stably supporting the pillow means (20), and attachment means (40) for attaching the support means (30) to the body (10).

The pillow means (20) comprises a T-shaped pillow body (21). The pillow body (
21) consists of a wide placing part (22) on which both arms (11) can be placed, and a pillar part (23) extending downward from the center of the placing part (22). As you can see, it is T-shaped. This placing part (22) is curved upward to make it easier to work with, so that the elbow of the arm can easily slide on it. Further, it is preferable to form a recess (25) in one corner of the mounting portion (22) so that small tools such as scissors can be stored therein.

A female hole (24) is formed in the lower part of the column (23), through which the support means (30) is inserted and which locks and supports the pillow body (21).

[0012] The support means (30) is attached to the pillow body (2).
a support rod (31) that is inserted into a female hole (24) formed in the column portion (23) of 1) and adjusts the vertical movement of the female hole (24) and the locking pillow means (20); It has a fulcrum member (32) provided at the lower end of the rod (31) and stably supported on the abdomen of the body (10).

The flexible locking means as a support locking mechanism for the support means (30) and the pillow means (20) is a support rod (31).
) and a female hole (24), and as shown in FIG. (24) can be locked with the upper and lower inner edges (24a).

[0014] If you want to adjust the position of your arm up or down, support the pillow body (21) with one hand and pull the pillow body (21) toward your body (10) with the other hand. The main body (21) is in a vertical state,
The locked state between the female hole (24) and the convex ring (33) is released, and the pillow body (21) can be adjusted to any height by moving the pillow body (21) up and down.

Although the height of the pillow body (21) can be finely adjusted by reducing the pitch of the protruding ring (33), this can be done by giving the column (23) an elastic function. Fine adjustment is also possible by utilizing the deflection of the column (23).

Further, as shown in FIG. 5, a large number of protrusions (33a) are formed on the outer surface of the support rod (31) instead of the ring protrusions, so that the protrusions and the female hole (24) are engaged with each other. However, even if no ring protrusion (33) or the protrusion shown in FIG. 5 is formed, the inner edge (24a) will bite into the support rod (31) because the female hole (24) is inclined It can be locked by this.

As described above, in this embodiment, the female hole (24) 1
A single support rod (31) constitutes a flexible locking means, but in order to stabilize the pillow body (21), two pillars (23) are provided on the left and right sides of the mounting part (22) to provide a flexible locking means. Two sets of locking means may be provided, and two support rods (31) may be provided for one female hole (24).

Note that the shape of the female hole (24) is not necessarily limited to a circular shape, and it goes without saying that it may be a quadrilateral or other polygonal shape.

The mounting means (40) is attached to the worker's body (
It is suspended from both shoulders (12) of 10) and has a band (41) whose length can be adjusted. This band (41) consists of a band shoulder part (42) that is hung on both shoulders (12), and a band chest part (43) that is supported around the chest. A supporting and fixing plate (44) is attached to the front of the chest of the band chest (43). This supporting and fixing plate (44) has a hinge (45).
), and the upper end of the support rod (31) of the support means (30) is rotatably attached.

Therefore, the hinge (45) of the supporting and fixing plate (44)
), the support means (30) is swingable in the front direction of the body (10) around the upper end of the support rod (31).

FIG. 6 shows a second embodiment, which includes a storage box (50) for storing harvested fruits.

[0022] This storage box (50) is adapted to be hung on the shoulder (12) by a belt (51), and is maintained horizontally from the chest to the abdomen. A bifurcated attachment portion (5) formed at the lower end of the support rod (31) of the support means (30) on the side frame (52) of the storage box (50).
3), and is removably attached by being clamped with bolts (54).

The flexible locking means between the pillow means (20) and the support rod (31) has the same structure as in the first embodiment, but
The mounting portion (22) of the pillow body (21) faces toward the body (10).

FIG. 7 shows a modification in which the support rod (31) is supported in the storage box (50).
This example shows an example in which a bearing (55) for receiving 31) is provided, and exhibits the same effect as the above embodiment.

FIG. 8 shows still another modification, in which the support rod (
This shows an example in which the pillow means (20) is supported on the storage box (50) in a height-adjustable manner by providing a flexible locking means directly in the storage box (50) without providing the pillow means (20). can be,
This embodiment has the same functions and effects as the embodiments described above.

FIG. 9 shows the pillow means (20) and the support means (3).
0) shows another embodiment of the universal locking means that locks the height of the locking device 0) in a height-adjustable manner.

[0027] That is, the pillar part (2
3) and the support rod (31) of the support means (30) are connected by
The pillow main body (21) is connected to be movable up and down via a fitting sliding member (60).

This fitting sliding member (60) has a slit (
61) and a gripping hole (62) for gripping the support rod (31).
), and has a female thread (6
4) is formed. Therefore, the pillow body (21
) of the sliding member (60) and the bolt (6
3) By interposing the support rod (31) between them and tightening the bolt (63), the support rod (31) is held in the grip hole (62), and the pillow body (21) can be set to an arbitrary height.

[0029] Also, the pillar portion (23) of the pillow body (21)
The hole (23a) is larger than the outer diameter of the bolt (63).
) is provided and constitutes the swinging means, the column part (23
) can freely swing independently of the bolt (63), which is preferable because the range of action of the arm (11) is expanded accordingly.

FIGS. 10 to 12 show a third embodiment, in which the shape of the mounting part (22) of the pillow body (21) is the same as that of the first embodiment, but the pillar part (23) has a rod shape, and as shown in detail in FIG. 9, a plurality of ring-shaped recesses (23b) are provided at predetermined intervals.

The support means (30) of the pillow body (21) is integrated with a length-adjustable band (42) suspended from both shoulders (12) of the worker's body (10), and is attached to the waist of the worker. A support fixing plate (44) is fixed to the mounting band (43).

The supporting and fixing plate (44) has a flexible locking means, and the supporting means (3) locks and supports the pillow body (21).
0) is installed. This support means (30) includes a support receiving body (70) integrally formed with a support fixing plate (44).
)have. The support body (70) is integrally attached to the shaft (72) of the handle (71),
A lock arm (73) is provided that rotates as the handle (71) rotates, and has a bearing (74) that pivotally supports the shaft (72).

The lock arm (73) has a recess (75) formed in the support body (70) as shown in FIG.
In order to make it possible to clamp the column part (23) of the pillow body (21), a part has a large diameter part (76) larger than the rotation radius (R) of the center of the shaft (72). (See Figure 11).

Therefore, when a downward load is applied to the column part (23), the large diameter part (76) larger than the rotation radius (R)
This makes it possible to clamp the column (23).

When releasing the clamping of the column part (23), the lock arm (73) rotates counterclockwise (left rotation) by pulling it upward in FIG.
6) is released. In this state, the pillar portion (23) becomes free, and the height of the pillow body (21) can be freely selected.

Reference numeral (77) denotes a guide hole into which the column (23) is inserted, and is provided below the support receiving body (70) in order to stably maintain the posture of the column (23). The lock arm (73) also has a recess (23b) in the column (23).
) is formed with a convex portion (78) that engages with the column portion (2
3) is ensured to be caught firmly.

FIGS. 13 to 15 show a fourth embodiment, and as shown in FIG. 15, the pillow means (20) includes a slideable pillow body (21) and a pillow body (21).
1), and a connecting support member (82) that rotatably supports and connects the slide support member (80) via a pin (81). There is.

The pillow body (21) has an arm rest part (22) which is curved upward in a concave shape, protrudes downward from the approximate center, and has an enormous ball part (83) at the tip. , and a slider (84) into which the ball portion (83) is fitted and rotatably supports the arm rest (22).

The slide support member (80) has a sliding shaft (85) that slidably supports the slider (84) of the pillow body (21), and a sliding shaft (85) that fixes the sliding shaft (85). It has a support member (86) rotatably connected to the connection support member (82) by a pin (81).

The connection support member (82) has a support portion (87) that rotatably supports the support member (86) of the slide support member (80).
2) A tension spring (88) is interposed between the upper end of the slide support member (86) and the support member (86), and constantly urges the slide support member (82) to rotate upward.

[0041] Furthermore, the lower end of the connection support member (82) is
It is rotatably supported by support means (30). This support means (30) is integrally attached to a length-adjustable shoulder band (42) that is hung on both shoulders (12), and is fixed to a mounting band (43) that is attached to the waist of the body (10). It is attached to a support and fixing plate (44).

In FIG. 14, when the arm (11) rotates in the horizontal direction as shown by the arrow (A), the elbow (13)
2), the connecting support member (82) rotates around the support means (30), but the arm (11) rotates around the shoulder joint (14). Rotate as. Therefore, since the rotational position of the connecting support member (82) and the rotational position of the arm are deviated by the distance (a), the arm cannot normally be rotated, but the slider (84) of the arm pillow means (20) is slid. Since it slides along the moving axis (85), the deviation in distance (a) is adjusted, and the horizontal movement of the arm can be easily and smoothly performed as one unit.

[0043] Also, as shown by the arrow (B), the arm (11)
When moving up and down around the shoulder joint (14) in Fig. 13, the pillow body (21) moves up and down with the pin (
81) as the center. Further, since there is a difference in distance (b) between the shoulder joint (14) and the pin (81), smooth vertical movement is hindered. However, as described above, since the slider (84) of the pillow body (21) slides along the sliding axis (85), the deviation in distance (b) is adjusted, and the vertical movement of the arm is unified. It can be done smoothly.

[0044] Furthermore, the mounting part (22) of the pillow body (21)
The arm (11) resting on the tension spring (
88), the force acting against the gravity on the arm acts, which alleviates the fatigue caused when raising the arm (11), making the work much easier. This will improve work efficiency.

FIG. 16 shows a fifth embodiment, which is an improvement over the fourth embodiment described above. That is, the body (1
By providing the pin (81) on the side of the shoulder joint (14), the position of the pin (81) is approximately aligned with the position of the shoulder joint (14), thereby eliminating the deviation in distances (a) and (b) shown in Example 4. This is preferable because it eliminates the need for an arm slide mechanism to adjust this deviation.

[0046] Therefore, the rotational movement of the arm (11) in the horizontal direction is caused by the connection support member (8) centering on the support means (30).
2) rotates, and the arm (11) can perform a rotational movement in the horizontal direction about the joint (14) and the support means (30). In addition, since the pin (81) and the joint (14) are located at approximately the same position, the arm (11) can smoothly rotate up and down around these points.

FIGS. 17 to 19 show a sixth embodiment. In the fourth and fifth embodiments described above, the tension spring (88) was used to lift the pillow body (21). In this embodiment, an example using an elastic material such as rubber is shown.

That is, the curved connection support member (90)
A fork-shaped bifurcated portion (91) is formed at the upper end, and an adjustment ring (93) is connected within the bifurcation portion (91) via an elastic material (92) such as rubber. on the arm rest (
The support arm (94) supporting the bolt (95)
are connected by.

Therefore, when the arm (11) is placed on the resting part (22), the resting part (22) tries to go down via the support arm (94) and the adjustment ring (93), but the elastic material (92
) is urged to lift the arm (11) upward, thereby relieving arm fatigue.

Note that the adjustment ring (93) and support arm (9
4) are formed with elongated holes (96, 97) so as to intersect with each other, and the two are connected by the bolt (95), so that the length and height of the arm rest (22) can be adjusted. Adjustments can be made easily.

FIGS. 20 and 21 show a seventh embodiment, which is a modification of the example using the storage box (50) of the second embodiment.

That is, the pillow means (20) includes an arm rest (22) that is curved upward and has a ball joint (100) at the bottom thereof, and a swing arm (101) connected to the ball joint (100). and the swing arm (101
) is connected and supported by a pin shaft (102) so that the arm (103) can swing, and a support member (105) is connected by a pin (104) in the middle so that the arm (103) can rotate up and down. ) and a spring (106) that urges the arm (103) to rotate upward at all times.
It is composed of.

The support means (30) is U-shaped so as to sandwich the top and bottom of the side plates (52) of the storage box (50) for harvesting fruits, etc., and is secured to the storage box (50) by bolts (107).
50).

[0054] The lower end of the support member (105) fits into the upper part of the support means (30), and the support member (105)
can be rotatably supported.

[0055] The arm rest part (22) of this pillow means (20)
) is a swinging arm (
101), and the arm (11) can rotate around the elbow. Further, the swing arm (101) can rotate horizontally about the pin shaft (102) in front of the chest of the body (10).

[0056] Since a spring (106) is interposed between the arm (103) and the support member (105) at the rear thereof, the tip side of the arm (103) is always urged upward, and therefore, The arm (11) is biased through the swing arm (101) and the arm rest (22) to counteract the load, reducing the fatigue of lifting the arm.

FIGS. 22 to 24 show an eighth embodiment, which is a modification of the fourth embodiment shown in FIGS. 13 to 15 described above.

That is, in the fourth embodiment, the arm resting part (22) of the pillow body (21) and the slider (84) were connected by a ball joint mechanism, but in this embodiment, the slider (84) Arm rest part (22)
were rotatably connected with bolts (110). In addition, the connection support member (82) and the slide support member (80) of Example 4 are also included.
) is connected to the support member (86) by a pin (81), but in this embodiment, in order to freely set the height position of the pillow body (21), a positioning bolt (81) is used instead of the pin (81). 111). Therefore, the positioning of the pillow body (21) in the vertical and horizontal directions is performed using bolts (1
10) and the positioning bolt (111) to determine the position, and by tightening both the bolts (110, 111), the position can be adjusted reliably and easily.

Although various examples have been described above, the present invention is not limited to these examples.
The point is that if you have a pillow means for placing and supporting your arms, and a means for supporting this pillow means on your body, you can alleviate arm fatigue even if you work with your arms raised for a long time. It is.

[0060]

[Effects of the Invention] As explained above, according to the present invention, the pillow means for placing and supporting both arms can be attached to the body via the support means, so that it can be used for painting walls, harvesting fruits, hanging bags, etc. This has the effect of alleviating physical fatigue and improving work efficiency even when working for long hours with a simple device during manual work at a high position with the arms raised.

[Brief explanation of drawings]

FIG. 1 shows a first embodiment of the mitigation device according to the present invention, and is a schematic view of the mitigation device being worn on the body.

FIG. 2 is a top view of FIG. 1 viewed from above.

FIG. 3 is a partial front view showing a portion of FIG. 1 when viewed from the front.

FIG. 4 is a diagram showing in detail the flexible locking means for height adjustment related to locking the pillow means and the support means.

FIG. 5 is a diagram showing another modification of the universal locking means.

FIG. 6 is a schematic diagram showing another embodiment of the mitigation device, which includes a storage box for storing harvested fruits and the like.

FIG. 7 is a diagram showing a modification of the embodiment shown in FIG. 6;

8 is a diagram showing still another modification of the embodiment shown in FIG. 6. FIG.

FIG. 9 is a sectional view of a main part showing another embodiment of a universal locking means that locks the pillow means and the support means in a height-adjustable manner.

FIG. 10 shows a third embodiment of the mitigation device, and is a schematic view of the mitigation device being worn on the body.

FIG. 11 is an enlarged sectional view of a flexible locking means for locking the pillow means and the support means in the third embodiment.

12 is a sectional view taken along the line XII-XII in FIG. 11. FIG.

FIG. 13 shows a fourth embodiment of the reducing device, and is a schematic view of the reducing device being worn on the body.

FIG. 14 is a top view of FIG. 13 viewed from above.

FIG. 15 is a schematic diagram showing details of the mitigation device in the fourth embodiment.

FIG. 16 shows a fifth embodiment of the mitigation device,
FIG. 7 is a schematic view of a person wearing a mitigation device that is an improved version of Example 4;

FIG. 17 shows a sixth embodiment of the mitigation device,
FIG. 7 is a schematic view of a person wearing a mitigation device that is an improved version of Example 5 on the body.

FIG. 18 is an enlarged front view of a portion of the improved mitigation device.

FIG. 19 is a top view of FIG. 18;

FIG. 20 shows a seventh embodiment of the mitigation device,
It is a schematic diagram in which a storage box is provided and a reducing device that acts vertically and horizontally is attached to the body.

21 is a top view of FIG. 20 viewed from above; FIG.

FIG. 22 shows an eighth embodiment of the mitigation device,
FIG. 7 is a schematic view of the improved mitigation device shown in Example 4 worn on the body.

23 is an enlarged sectional view taken along the line XXIII-XXIII in FIG. 22. FIG.

24 is an enlarged sectional view taken along the line XXIV-XXIV in FIG. 22. FIG.

[Explanation of symbols]

10 Body 11 Arm 20 Pillow means 21 Pillow body 22 Arm resting part 23 Column part 24 Locking hole 30 Support means 31 Support rod 33 Convex ring 40 Mounting means 42 Shoulder band 43 Attachment band

Claims (3)

[Claims] 1. An arm fatigue reducing device comprising: pillow means on which the arm is placed; support means for supporting the pillow means; and attachment means for attaching the support means to the body. 2. The arm fatigue reducing device according to claim 1, wherein the pillow means and the support means are engaged with each other via a free engagement means so as to be movable up and down. 3. The arm fatigue reducing device according to claim 1, wherein the pillow means and the support means are swingably connected via a swinging means.