JPS6132423Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an armrest for office equipment having a keyboard.

Recently, keyboard-operated office equipment such as personal computers and word processors has developed rapidly and is now being used in many fields. Because it is intense,
It is becoming more and more common for people to overwork their wrists, which in turn causes their arms to become quite tired.

Originally, when operating a keyboard, it is desirable that the height of the keyboard surface and the height of the operator's forearm when bent horizontally are approximately the same, but as the operator gets tired becomes difficult to maintain.

In view of this, the present invention is designed to prevent fatigue of the operator's arms when using office equipment as described above, by adding an armrest in front of the keyboard and at the position where the operator's forearm is placed. The above-mentioned problem is solved by allowing the height to be selected in stages.

The present invention will be explained below with reference to embodiments shown in the drawings.

As shown in FIG. 1, office equipment 1 such as a word processor is equipped with a table 4 on the top of which is installed on the same plane a keyboard 2 and a CRT 3 in that order from the front. An armrest 5 is attached to the front side.

As an example of the armrest 5 according to the present invention is shown in an enlarged view in FIG. 2, the armrest 5 includes a support portion 6 such as a bracket, a cushion pad 7, a height adjuster 8, and other accessories.

The support part 6 is made of shaped steel or the like and has a predetermined length, has a U-shaped cross section, is installed so that the open part faces downward, and is located rearward from approximately the center in the longitudinal direction. The upper surface of the portion is formed with a mounting surface 6a that contacts the lower surface 4a of the table 4, and a mounting hole 6 is formed near the end of this mounting surface 6a.
c is bored and fastened to the lower surface 4a of the table 4 with bolts 9.

A portion 6b in front of the center of the support portion 6 protrudes from the table 4 toward the front and is bent upward at an obtuse angle, and its end portion is approximately at the same height as the top surface 4b of the table 4. It is becoming more and more. Attachment holes 6d are bored in both side walls near the ends.

The cushion pad 7 is located in front of the keyboard 2 and is provided at a location on which the operator can rest his forearm when operating the keyboard 2. This cushion pad 7 has a flexible upper surface covered with an elastic body and an outer skin, and the lower surface is held in shape by a hard plate.

On the lower surface 7a of the end of the cushion pad 7 opposite to the keyboard 2, an L made of shaped steel or the like is provided.
A horizontal portion 10a of a support plate 10 having a C-shaped or C-shape is fixed by fastening means such as machine screws 11, and a vertical portion 10 that hangs below this support plate 10.
A mounting hole is formed in b, and this mounting hole and the mounting hole 6d of the bracket 6 are pivotally connected by a pin 12, so that the cushion pad 7 can rotate around this pin 12.

The upper surface of the cushion pad 7 is connected to the keyboard 2.
Although the height is slightly lower than that of , a height adjuster 8 is provided so that a predetermined height can be obtained. Further, the portion of the cushion pad 7 near the keyboard 2 is formed to have a length that at least overlaps the upper surface 4b of the table 4 to some extent, and the width is also formed to be suitable for resting the operator's arm. ing.

As shown in FIGS. 2 and 3, the height adjustment body 8 is made by bending a long and thin plate-shaped body made of steel or the like into an L-shape, and has a first support side 8a that is the longest and a shorter side that is shorter than the first support side 8a. It has a second support side 8b, and an auxiliary support side 8c bent at an acute angle toward the base 8d of the first support side 8a at the tip of the second support side 8b. The base portion 8d is pivotally attached to the tip of the base plate 13 fixed to the lower surface of the cushion pad 7 by a shaft 14, so as to form a screw.

The base plate 13 has a small screw 1 attached to the lower surface of the cushion pad 7 at a portion located slightly in front of the overlapping portion 7b with the upper surface 4b of the table 4.
It is fixed by fastening means such as 5. Therefore, in the adjustment body 8, the auxiliary support side 8c is in contact with the lower surface of the cushion pad 7, as shown by the solid line in FIG. 4, the first support side 8a is placed along the lower surface of the cushion pad 7, and the first support side 8a is in contact with the top of the table 4, as shown by the dashed line. Three different heights can be selectively obtained: a low position where it is placed, and a high position where the first support side 8a stands upright and the second support side 8b is in contact with the table 4, as shown by the two-dot chain line. It's becoming like that.

Since the present invention has the above-mentioned configuration, when operating the keyboard 2 of office equipment 1 such as a word processor, place the forearm on the cushion pad 7 of the armrest 5 attached to the front side and press the keys on the keyboard 2. All you have to do is operate the .

At this time, depending on the height of the keyboard 2, the height of the cushion pad 7 can be adjusted in three steps to the optimum height position for the operator. That is, when the highest height is required, lift and rotate the cushion pad 7 so that the adjustment body 8 can be touched, then raise the first support side 8a of the adjustment body 8, and raise the second support side 8a. Support side 8b
When placed on the top surface 4a of the table 4, the armrest is kept high by the height of the first support side 8a.

If a medium height is required, rotate the adjusting body 8 counterclockwise and tilt it so that the bent part 8e where the first support side 8a and the second support side 8b intersect is aligned with the top surface of the table 4. 4b. At this time, the auxiliary support side 8c comes into contact with the lower surface 7b of the cushion pad 7, and a positional relationship of a medium height is maintained.

Furthermore, when the lowest height is required, rotate the adjuster 8 clockwise to increase the height of the first support side 8a.
If it is completely horizontal and folded so as to be in contact with the substrate 13, the height due to the adjustment body 8 will be only the thickness of the first support side 8c, and the positional relationship at this height will be maintained. .

Note that a protection plate 16 is provided on the table 4 at a position that comes into contact with it when the adjustment body 8 is adjusted.
It is designed to protect the top surface 4b from being scratched, but this is provided as necessary.
It does not necessarily have to be provided.

In the explanation so far, the degree of inclination of the adjustment body is upward to the right in the figure, but the mounting hole between the cushion pad 7 and the support part 6 may be made into a long hole vertically, or a plurality of holes may be formed. By providing them at the top and bottom, it is also possible to create a downward-to-the-right state.

As explained above, the present invention provides an armrest for office equipment having a keyboard by extending a support body to the table proximal portion of the office equipment and providing a cushion pad for placing the operator's forearm on this support body. Therefore, it goes without saying that by resting the forearms on the armrest while operating the keyboard, the degree of operator fatigue can be significantly reduced compared to the conventional case without an armrest. a long first support side; a second support side that is shorter than the first support side and connected to the tip of the first support side by being bent at a substantially right angle; An adjustment body is provided with an auxiliary support side bent at an acute angle toward the base of the support side, the base of the first support side of the adjustment body is rotatably attached to the lower surface of the cushion pad, and the first support side is The highest position where it stands upright and the second support side is in contact with the table side, and the intermediate height position where the auxiliary support side is in contact with the cushion pad side and the connected bent parts of the first and second support sides are in contact with the table side. , since the first support side is laid down to the cushion pad side and the surface of the first support side can take the lowest position in contact with the table side,
You can easily adjust the height of the armrest in stages by simply selecting the position where the adjustment body is placed, and it is easy to adjust the height of the armrest when the height of the keyboard surface differs depending on the model, or even if the height of the operator is different even on the same model. Even if the posture of resting the arm changes, the height can be changed to the optimum height, which further helps to reduce operator fatigue. Even the same operator can continue working by adjusting the height depending on the degree of fatigue, making it easier to use office equipment. can be used efficiently. Furthermore, since the adjustment body can be obtained by simply bending sheet metal, it can be made extremely inexpensive.
It has various advantages such as a simple structure, no external exposure, and no deterioration of the appearance of the device.

[Brief explanation of the drawing]

FIG. 1 is a side view of office equipment such as a word processor to which the present invention is applied, FIG. 2 is an enlarged sectional view of the essential parts, and FIG. 3 is a perspective view of the height adjuster in FIG. 2. DESCRIPTION OF SYMBOLS 1... Office equipment having a keyboard, 2... Keyboard, 4... Table, 4a... Table bottom surface, 5... Armrest, 6... Support part, 7...
Cushion pad, 8... Adjustment body, 8a... 1st
Supporting side, 8b...Second supporting side, 8c...Auxiliary supporting side, 8e...Bending portion.

Claims (1)

[Scope of utility model registration request] In office equipment having a keyboard, one end of a cushion pad on which the operator's forearm is placed is pivoted to be able to swing in the vertical direction to the tip of a support part extending to the table side of the office equipment, and a space between the cushion pad and the table side is provided. A height adjusting body for adjusting the height of the cushion pad is provided at the cushion pad, and the height adjusting body has a first support side that is the longest and a first support side that is bent at a substantially right angle and connected to the tip of the first support side. A second support side shorter than the support side, and an auxiliary support side bent at an acute angle toward the base of the first support side at the tip of the second support side, and the base of the first support side is connected to the cushion pad. It is rotatably attached to the bottom surface,
The first support side is upright and the second support side is in contact with the table side at the highest position, and the auxiliary support side is in contact with the cushion pad side and the connected bent portions of the first and second support sides are in contact with the table side. an intermediate height position,
The first support side lies down to the cushion pad side and the first
An armrest for office equipment having a keyboard, characterized in that the surface of the support side can take the lowest position where it is in contact with the table side.