JP2014241174A - Office work auxiliary tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an office work auxiliary tool that improves input work while stably keeping the positions of a wrist and an arm, and can assist work for a long time.SOLUTION: An office work auxiliary tool 1 includes: a pair of loading parts 10 on which the wrist and arm of a user are loaded, and which has a cylindrical outer shape; and a support part 30 that arrays the pair of loading parts 10 in tandem along its central axis, supports them at a predetermined height, and has a rail part 21 and a leg part 23. The pair of loading parts 10 is rotatably supported around the rail part 21. The outer diameter of at least one end part 10a, 10b of the pair of loading parts 10 is larger than that of an intermediate part 10c between both ends. The intermediate part 10c of the pair of loading parts 10 is at a position of being shifted so as to be close to any one of both ends.

Description

  The present invention relates to an office work assisting instrument used in conjunction with, for example, keyboard operation.

  With the spread of personal computers and other IT equipment, keyboards as character input devices are widely used on a daily basis, but long-term use of keyboards may cause health problems such as eye fatigue and stiff shoulders. It was.

  Aiming at such problems, auxiliary devices such as so-called palm rests are used, which are placed in front of the keyboard and placed on the wrist or arm to reduce the burden on the wrist or arm. Thus, the keyboard is used for a long period of time (see, for example, Patent Document 1).

JP 2002-366281 A

  However, the work tool such as the above-described conventional technique has a problem that it is difficult to improve the input work while keeping the wrist and arm positions stable.

  The present invention has been made in view of the above problems, and in an office work using an input device such as a keyboard, the input work can be improved while maintaining the position of the wrist or arm stably, for a long time. An object is to provide an office work assisting device capable of assisting in crossing work.

In order to achieve the above object, the first aspect of the present invention provides:
A pair of placement parts having a cylindrical outer shape on which the wrist or arm of the user is placed;
The pair of mounting portions are arranged in a column along the central axis thereof, and a support portion that supports at a predetermined height,
The pair of placement portions are supported so as to be rotatable around the central axis,
The outer diameter of both ends of at least one of the pair of placement portions is larger than the outer diameter between the both ends,
The portion with the smallest outer diameter of the one of the pair of placement portions is at a position shifted toward either one of the both ends.
It is an office work auxiliary equipment.

The second aspect of the present invention is
The part with the smallest outer diameter of the one of the pair of placement portions is located closer to the inside of the wrist or arm,
It is an office work auxiliary instrument of the 1st side of the present invention.

In addition, this invention is another aspect,
A pair of placement parts having a cylindrical outer shape on which the wrist or arm of the user is placed;
The pair of mounting portions are arranged in a column along the central axis thereof, and a support portion that supports at a predetermined height,
The pair of placement portions are supported so as to be rotatable around the central axis,
The outer diameter of the mounting portion may be an office work assisting instrument in which the distance between both ends is smaller than at least one of both ends.

Further, the present invention as another aspect,
The outer diameter of the both ends of the mounting part is
An office work auxiliary instrument in which one end located on the outer side of the wrist or arm is equal to or more than the other end located on the inner side of the wrist or arm may be used.

Further, the present invention as another aspect,
The outer diameter of the mounting part is
It may be an office work auxiliary instrument in which the one end located on the outer side of the wrist or arm is equal to the other end located on the inner side of the wrist or arm.

Further, the present invention as another aspect,
The pair of placement units may be office work assisting tools that are supported so as to be able to translate along the central axis.

Further, the present invention as another aspect,
The support part is
A rail portion formed along the central axis of the pair of placement portions;
Provided at both ends of the rail portion, and a leg portion for fixing the rail portion;
The placement section is
A carriage unit having wheels that roll on the surface of the rail unit;
It may be a clerical work assisting device provided around the cart part and provided with a main body part rotating with respect to the cart part.

Further, the present invention as another aspect,
The rail part of the support part has an H-shaped cross section in the extending direction,
The wheel of the cart part may be an office work auxiliary instrument that is positioned so as to sandwich the horizontal surface of the rail part.

Further, the present invention as another aspect,
The leg portion of the support portion may be an office work assisting instrument that can adjust the height of the rail portion.

  The present invention as described above has an effect that office work using an input device such as a keyboard can be assisted for a long time.

The perspective view which shows the structure of the office work auxiliary tool which concerns on embodiment of this invention The side view which shows the structure of the office work auxiliary tool which concerns on embodiment of this invention (A) The principal part front view which shows the structure of the mounting part in the office work auxiliary tool which concerns on embodiment of this invention (b) Shows the structure of the mounting part in the office work auxiliary tool which concerns on embodiment of this invention Cross section of the main part Sectional drawing which shows the structure of the mounting part in the office work auxiliary tool which concerns on embodiment of this invention (A) The figure which shows the use condition of the office work auxiliary tool which concerns on embodiment of this invention (b) The figure which shows the use condition of the office work auxiliary tool which concerns on embodiment of this invention The figure which shows the use condition of the office work auxiliary tool which concerns on embodiment of this invention (A) The principal part front view which shows the other structural example of the office work assistance tool which concerns on embodiment of this invention (b) The principal part which shows the other structural example of the office work assistance tool which concerns on embodiment of this invention Front view The perspective view which shows the other structural example of the office work auxiliary tool which concerns on embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view showing the configuration of an office work assisting instrument 1 according to Embodiment 1 of the present invention, and FIG. 2 is a side view showing the configuration of the office work assisting instrument 1.

  As shown in FIGS. 1 and 2, the office work assisting instrument 1 includes a pair of placement units 10 on which wrists and arms of a keyboard user are placed, and a support unit 20 that holds the placement unit 10 at a predetermined height. It consists of.

  The mounting portion 10 is a member having a cylindrical outer shape, and each of the pair is arranged in a line so as to correspond to the positions of the user's wrists or arms, with the center axis of the cylinder aligned. . The configuration of the placement unit 10 will be described in detail later.

  The support portion 20 includes a rail portion 21 provided through the mounting portion 10, a leg portion 23 that is positioned at both ends of the rail portion 21 and that fixes the rail portion 21 while maintaining a predetermined height, and a leg portion 23. And an attachment portion 22 for fixing the rail portion 21.

  A region R below the mounting portion 10 surrounded by the pair of leg portions 23 and the rail portion 21 has a width that allows insertion of a keyboard or a casing of a notebook computer, and the position of the leg portion 23 is appropriately set. Adjustment is performed so that the finger can reach the input portion of the keyboard or other input device while placing the wrist or arm on the placement portion 10.

  Next, the leg part 23 has a first leg 23a and a second leg 23b that are rotatably fixed to the attachment part 22 at a fixed end 22a. The leg 23b can be opened at an arbitrary angle like a compass around the fixed end 22a. A metal oval ring 25 is attached to the tip of the first leg 23a through a mounting hole 26a, and an adjustment plate 24 having an angle variable by a rotating shaft 26b is provided at the tip of the second leg 23b. It has been.

  The adjustment plate 24 is a plate-like member, and an adjustment slit 24a composed of slits 24a1 to 24a5 engaged with the oval ring 25 is formed on the surface, and the oval ring 25 is engaged with the adjustment slit 24a. By doing so, the opening angle of the first leg 23a and the second leg 23b is fixed, and the rail portion 21 can be held at a constant height.

  Next, the placement unit 10 will be described with reference to FIGS. 3 and 4 together. FIG. 3A is an enlarged view of a main part showing one of the pair of mounting portions 10, and FIG. 3B is a cross-sectional view taken along a straight line parallel to the rail portion 21 of FIG. 4 is a cross-sectional view taken along the line AA in FIG. 3A, and shows the internal structure of the mounting portion 10 together with FIG.

  As shown in FIG. 3 (a), the mounting portion 10 has an outer diameter that is equal at the end portion 10a near the attachment portion 22 and the end portion 10b near the center, and is intermediate between the end portion 10a and the end portion 10b. The intermediate portion 10c is thinnest and has a symmetrical drum shape as a whole.

  Next, as shown in FIG. 3B and FIG. 4, the mounting portion 10 has a rail portion 21 having an H-shaped cross section in the extending direction inserted in the center. And around the rail part 21, it has the cross-sectional rectangle of the cross section formed in the circumference | surroundings of the square tube 13 comprised from stainless steel or aluminum other metal materials of the cross-sectional rectangle of an extending | stretching direction. A mounting body which is formed around the inner cylinder part 11, the outer cylinder part 12a positioned around the inner cylinder part 11, and the outer cylinder part 12a and which changes the shapes of the end parts 10a, 10b and the intermediate part 10c described above. 12b.

  The inner cylinder portion 11 is made of ABS resin or other hard and lightweight synthetic resin, and has a configuration in which the square tube 13 is housed and integrated. The outer cylinder part 12a is also made of the same material as that of the inner cylinder part 11, and is integrated with the outer mounting body 12b. The mounting body 12b is made of a soft resin such as urethane foam or low-resilience urethane foam, and is a portion that directly contacts the user's wrist or arm. The outer cylinder part 12 a and the mounting main body 12 b constitute the main body part 12.

  A ball bearing 15 having an inner ring 15a and an outer ring 15b is mounted on both ends of the square tube 13, and the inner ring 15a is coupled to the integrated inner cylinder portion 11 and the rectangular tube 13, and the outer ring 15b is a main body. The outer cylinder part 12a integrated as the part 12 and the mounting body 12b are combined. Therefore, in the mounting portion 10, the inner cylinder portion 11, the square tube 13, and the main body portion 12 are rotatably coupled via the ball bearing 15.

  Furthermore, as shown in FIG. 4, the rail portion 21 disposed in the square tube 13 is a member made of a high-strength metallic material made of stainless steel or steel having a H-shaped cross section. The rail main body 21a is parallel to the surface on which the work assisting instrument 1 is placed, and the guard body 21b is provided at both ends of the rail main body 21a and perpendicular to the rail main body 21a.

  Inside the square tube 13 are provided shafts 14a parallel to both main surfaces of the rail body 21a. Both ends of the shaft 14a protrude from the outside of the square tube 13 and are crimped to the square tube 13 as rivet heads 14a1. Has been. A pair of wheels 14 is mounted on the shaft 14a, and is sandwiched by contacting the rail body 21a from both main surfaces. The wheel 14 is rotatable with respect to the shaft 14a. Therefore, as shown in FIG. 3B, the wheel 14 can roll on the rail portion 21.

  The shaft 14a and the wheel 14 are preferably made of metal, but the wheel 14 may be made of a hard synthetic resin. Further, the wheel 14 may have a configuration of a metal disk or a combination of a metal spoke and a rim, and a peripheral portion of the disk or rim may be covered with rubber or resin.

  Further, as shown in FIG. 3B, both ends of the rail portion 21 are coupled to the bolts 22b in the mounting portion 22, and the bolts 22b are connected to the leg portions 23 via the fixed ends 22a. The rail portion 21 is held at a predetermined height by the support portion 20 in a state where the pair of placement portions 10 are mounted.

  In the above configuration, the office work assisting instrument 1 corresponds to the office work assisting instrument of the present invention, and the mounting portion 10 corresponds to the mounting section of the present invention. Moreover, the support part 20 is equivalent to the support part of this invention, the rail part 21 is equivalent to the rail part of this invention, and the leg part 23 is equivalent to the leg part of this invention. Further, the square tube 13 having the shaft 14a and the rivet head 14a1 corresponds to the cart portion of the present invention, and the main body portion 12 corresponds to the main body portion of the present invention.

  The office work auxiliary instrument 1 according to the present embodiment having such a configuration is characterized in that it includes a pair of placement portions 10 that are fixed to the rail portion 21 so as to be rotatable and translatable.

  That is, in the mounting portion 10, the inner cylinder portion 11, the square tube 13, and the main body portion 12 are rotatably coupled via the ball bearing 15, and the wheel 14 built in the square tube 13 is connected to the rail portion 21. As a result, the main body portion 12 alone rotates around the rail portion 21. As a result, when the keyboard is operated with the wrist or arm placed on the placement unit 10, the main body 12 that is in close contact with the wrist or arm is moved by the movement of the wrist or arm as shown by the arrow D in FIG. The rail part 21 is rotated back and forth.

  As a result, the user can perform keyboard operations in a state in which the resistance to the wrist or arm is reduced, and the input work can be improved.

  Further, in the present embodiment, as shown in FIG. 3A and the like, the mounting portion 10 has a drum shape in which the outer diameters of the end portions 10a and 10b that are both ends are larger than the outer diameter of the intermediate portion 10c. It is provided with. That is, the main body 12 is rotated in accordance with the movement of the main body 12 in close contact with the user's wrist or arm, but the wrist or arm position is in close contact with the placement main body 12b in a long-time operation. However, there is a risk of moving to the left and right and coming off the placement unit 10.

  The placement unit 10 of the present embodiment has a drum shape, so that movement of the wrist or arm is restricted with the position of the end 10a or the end 10b of the shape raised from the intermediate part 10c as a limit. Therefore, the position of the wrist or arm during keyboard operation is concentrated and placed on the intermediate portion 10c.

  Accordingly, it is possible to reduce the burden and improve the input work while keeping the wrist and arm positions stable, and to assist the keyboard operation work for a long time.

  Further, in the present embodiment, since the wheels 14 are allowed to roll in a state in which the wheels 14 sandwich the rail portions 21 in the square tube 13, the placement portions 10 can move independently on the rail portions 21. Can do. Accordingly, the placement unit 10 can move horizontally according to the movement of the wrist or arm while the main body 12 is in close contact with the wrist or arm of the user during the keyboard operation, as shown in FIGS. As shown in b), as shown by the wide interval W1 and the narrow interval W2 in the figure, the width of the gap between the left-hand side placement unit 10L and the right-hand side placement unit 10R is shown in FIG. It can be changed following the movement of the arm.

  This makes it possible to reduce the burden and improve the input work while keeping the wrist and arm positions stable.

  Furthermore, in the office work assisting instrument 1 of the present embodiment, the leg portion 23 includes the adjustment plate 24, and by selectively engaging the ellipse 25 from the slits 24a1 to 24a5 constituting the adjustment slit 24a, The height of the support part 20 can be adjusted.

  As an example, FIG. 6 shows a state in which an oval ring 25 is engaged with a slit 24a5 in which the opening angle of the first leg 23a and the second leg 23b is maximized. In this case, the positions of the support part 20 and the placement part 10 are the lowest. Hereinafter, by changing the engagement positions with the slits 24a4, 24a3, 24a2, and 24a1, the height of the support portion 20 can be changed in stages (the higher the code number of the slit, the higher). It is possible to place the wrist or arm on the placement unit 10 at an optimal position according to the body shape and the heel.

  Furthermore, in the office work assisting instrument 1 according to the present embodiment, the rail portion 21 that holds the placement portion 10 has a letter H shape in section with respect to the extending direction, so that the wrist or arm, and further It is possible to give the support part 20 sufficient strength that can resist the load applied from the mounting part 10.

  As described above, the office work assisting device according to the embodiment of the present invention includes the placing portion 10 that rotates and translates on the rail portion 21 and stably keeps the wrist or the arm. Office work using such an input device can be assisted for a long time.

  However, the present invention is not limited to the above embodiment.

  In the above description, the mounting portion 10 of the present invention has the thinnest shape at the middle portion 10c that is the same at the end portion 10a and the end portion 10b closer to the center. It suffices that either one of both ends of the cylindrical shape has an outer diameter larger than that of the intermediate portion.

  However, as shown in FIG. 7 (a), the outer diameter of the end portion 10a of the placement portion 10 located on the outer side of the wrist or arm, that is, on the side closer to the support portion 20 in the usage state of the office work auxiliary instrument 1, A larger diameter than the outer diameter of the end 10b located closer to the inside of the wrist or arm is more preferable because the wrist or arm can be prevented from falling off from the office work auxiliary instrument 1 during work.

  In the above description, the mounting portion 10 has a symmetrical drum shape, but the position of the intermediate portion 10c having the smallest outer diameter is biased toward either the end portion 10a or 10b. May be. In the configuration shown in FIG. 7B, the position of the intermediate portion 10c is close to the end portion 10a. Even in this case, the movement of the wrist or arm is restricted by the end portion 10a or the end portion 10b. Can be held, and an optimal placement position of the wrist or arm can be provided depending on the body shape of the user.

  In the above description, the support unit 20 is provided with the first leg 23a and the second leg 23b that open like a compass. However, the support unit according to the present invention has the mounting unit at a predetermined height. The structure is not limited to a specific configuration as long as it can be held constant, and the height adjusting means may be a screw or other well-known means. Moreover, the wheel 14 and the shaft 14a may be omitted from the square tube 13, and the placement unit 10 may be realized only as a rotatable structure.

  Further, in the support portion 20, the rail portion 21 is a member having an H-shaped cross section in the extending direction, and the mounting portion 10 includes the square tube 13 in which the wheel 14 is incorporated as a carriage portion. The support portion of the invention may be realized with a simpler configuration as long as the mounting portion can be held at a predetermined height and can be rotated and translated.

  An example of such a configuration is shown in FIG. 8 is provided with a cylindrical stainless steel shaft 31 in place of the rail portion 21 in the support portion 20 and, for example, vinyl chloride instead of the ball bearing 15 and the square tube 14 in the mounting portion 10. The inner cylinder 16 made of synthetic resin or the like is provided. The stainless steel shaft 31 passes through the inner cylinder 16, and a clearance C having a predetermined length (for example, about 2 mm) is provided between the inner diameter of the inner cylinder 16 and the stainless steel shaft 31. Thereby, the mounting part 10 can move in translation along the extending direction of the stainless steel shaft 31 while sliding on the stainless steel shaft 31 to rotate in the direction of arrow D in the figure.

  Furthermore, since the stainless steel shaft 31 and the inner cylinder 16 are different in hardness from each other, the mutual wear is suppressed, and the function of the rotation or translation of the mounting portion 10 is well maintained even during long-term use. The

  In the above description, the office work assisting instrument 1 is used for a keyboard or a notebook computer. However, the office work assisting instrument of the present invention is a work that uses a wrist or an arm. In addition to the keyboard, it may be used in combination with a mouse, tablet, or any other information input device. In this case, as with the keyboard, the wrist and arm positions are kept stable while reducing the burden of input work. Can be improved.

  In short, the present invention may be implemented by adding various modifications to the above-described embodiment, including those described above, as long as they do not depart from the spirit of the present invention.

  The present invention as described above has an effect that it is possible to provide an office work auxiliary tool capable of assisting work for a long time, and is useful for office work using an input device such as a keyboard. is there.

DESCRIPTION OF SYMBOLS 1 Office work auxiliary tool 10, 10L, 10R Placement part 10a, 10b End part 10c Intermediate part 11 Inner cylinder part 12 Main body part 12a Outer cylinder part 12b Placement main body 13 Square cylinder 14 Wheel 14a Shaft 14a1 Rivet head 15 Ball bearing 15a Inner ring 15b Outer ring 20 Support portion 21 Rail portion 21a Rail body 21b Guard portion 22 Mounting portion 22a Fixed end 22b Bolt 23 Leg portion 23a First leg 23b Second leg 24 Adjustment plate 24a Adjustment slit 24a1 to 24a5 Slit 25 Oval Ring 26a Mounting hole 26b Rotating shaft

Claims (2)

A pair of placement parts having a cylindrical outer shape on which the wrist or arm of the user is placed;
The pair of mounting portions are arranged in a column along the central axis thereof, and a support portion that supports at a predetermined height,
The pair of placement portions are supported so as to be rotatable around the central axis,
The outer diameter of both ends of at least one of the pair of placement portions is larger than the outer diameter between the both ends,
The portion with the smallest outer diameter of the one of the pair of placement portions is at a position shifted toward either one of the both ends.
Office work auxiliary equipment. The part with the smallest outer diameter of the one of the pair of placement portions is located closer to the inside of the wrist or arm,
The office work auxiliary tool according to claim 1.

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