JP3887228B2 - Mounting mechanism with position adjustment function for arm-mounted electronic device and arm-mounted electronic device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an adjustment mechanism for an attachment device that can be adjusted in accordance with the thickness of the arm when the arm-mounted electronic device is attached to the arm.
[0002]
[Prior art]
The wrist-worn electronic device is a portable electronic device such as a watch, a computer, a communication device, etc., which is composed of an electronic circuit and is miniaturized until it can be worn on the arm. Such an arm-mounted electronic device includes a main body member for executing a function inherent in the electronic device and a mounting member for mounting on the arm. The present applicant invented an arm-mounted electronic device that can adjust the length of the band and the holder angle corresponding to the thickness of the user's arm as this type of arm-mounted electronic device. Japanese Patent Application No. 2000-398981 Patent application No. 2000-400162 was filed earlier. The arm-mounted electronic device includes a hinge composed of a first hinge piece and a second hinge piece for opening and closing the wearing body, a first hole provided in the first hinge piece, and the second An arm-mounted electronic device having a second hole provided in the hinge piece and a pin inserted into one of the first holes and the other into the second hole. By selecting holes with different lengths and fitting the pin, the mounting body can be adapted to the thickness of the arm.
[0003]
FIG. 7 is a cross-sectional view and a front view showing one specific configuration of the mounting body and hinge part of the arm-mounted electronic device. FIG. 7A is a cross-sectional view showing the entire electronic device, and FIG. 7B is a front view showing the hinge portion. The arm-mounted electronic device 20 shown in FIG. 1A includes a main body 21 and two pieces of holders 22 and 23. In the drawing, the left side holder 22 is closed and the right side holder 23 is open. The main body 21 and the holders 22 and 23 are coupled by hinges. On the surfaces of the hinge pieces 24 and 25 on the holders 22 and 23 side, a plurality of holes 26 and 27 are formed in the radial direction side by side in the rotational axis direction of the hinges.
The hinge pieces 28 and 29 facing the holes 26 and 27 are provided with holes 30 having different stepwise lengths in the rotational direction of the hinge, and the mechanism of the hinges is the same on the left and right. A spring pin biased pin 32 is received in the hole 26 of the hinge piece on one side. As the holder 22 rotates, that is, the hinge piece 24 rotates, the hole 26 also rotates. Then, when the hole 26 faces the hole 30 of the hinge piece 28 facing, the pin 32 is fitted and brought into contact with the hole 30 facing. As a result, the hinge piece 24 and the holder 22 integral therewith are fixed.
As shown in FIG. 7 (b), the hinge pieces 24 and 28 are coupled to each other by a rotating pair by a spring bar 33 and a fitting pin 34. A coil spring 35 is passed through the spring bar 33, and projecting portions 36 and 37 at both ends thereof are applied to the hinge pieces 24 and 28, respectively. As a result, the hinge pieces 24 and 28 are urged in the direction in which the holder always opens. FIG. 8 is an enlarged view showing a hole drilled in the main body side hinge piece. As described above, a plurality of contact holes 30 are provided side by side in the rotational axis direction so that the length of the front end of the hinge in the rotational direction varies stepwise. In the figure, the contact hole 30 is indicated by a solid line, and the three holes 26 into which the pin 32 is inserted are indicated by dotted lines. In this manner, the pin 32 is inserted by selecting any one of the holes 26. Since the hinge piece is urged in the opening direction, the pin 32 hits one side wall of the contact hole 30. This determines the degree of opening of the holder.
FIG. 9 is a cross-sectional view showing that the opening length of the hole affects the degree of opening of the holder. FIG. 9 (a) is a cross-sectional view showing a state where a pin is hitting one side wall of a hole having a short frontage, and FIG. 9 (b) is a side view showing a pin being hit by one side wall of a hole having a long frontage. It is a cross-sectional view which shows a state. As can be seen by comparing the two figures, the rotation θ ₂ of the hinge piece 24 from the horizontal direction is smaller when the hole having the long frontage length is selected and the pin is fitted. This allows the holder to be applied to people with thick arms. On the other hand, a person with thin arms may select a hole with a short frontage length and fit a pin. Incidentally, in the case shown in FIG. 4A, the rotation angle is θ ₁ , and the difference is Δθ = θ ₁ −θ ₂ . In addition, the selection of the hole for receiving the pin through the spring can be easily performed by removing the hinge.
As described above, the mounting body of the arm-mounted electronic device according to the preceding example selects the pin into which the pin is inserted from among the plurality of holes, thereby bringing the pin into contact with the stepped wall portion. The fixing position of the holder can be changed depending on the relationship, so that the holder can be maintained at the most appropriate position according to the thickness of the arm, but the adjustment must be performed by disassembling the hinge. There was a problem of requiring labor. The amount of adjustment was limited to the number of holes provided. If one person uses this wrist-worn electronic device, initial readjustment is almost unnecessary if it is initially set, but in the case of equipment shared by several people, the holder position adjustment is Since it is necessary frequently, the burden of disassembling increases the burden.
[0004]
[Problems to be solved by the invention]
The object of the present invention is to solve the above-mentioned problems, and can easily adjust the position of the arm according to the thickness of the arm without disassembling the hinge and continuously adjust the position of the holder. It is to provide a mechanism.
[0005]
[Means for Solving the Problems]
The mounting mechanism with position adjustment function of the arm-mounted electronic device according to the present invention includes a cylindrical member in which a pin is interposed between a body-side hinge piece and a holder-side hinge piece constituting a hinge, and the hinge member with respect to one hinge piece. A mechanism for adjusting the rotation angle of the cylindrical member from the outside, and the yoke is fitted in a fitting hole formed in the other hinge piece in accordance with the angle setting by the adjusting mechanism. I was able to cope with the thickness.
The mechanism for adjusting the rotation angle of the cylindrical member from the outside is that a cam groove provided in the cylindrical member and a pin engaged with the cam groove are implanted in the axial direction with respect to one hinge piece. A sliding member that is slidable and held in a non-rotatable state, and a screw that exposes the screw head at the end of the hinge portion and adjusts the sliding member so as to be movable forward and backward in the axial direction, When the position of the sliding member is adjusted in the axial direction with a screw, the cylindrical member is rotationally displaced by a cam via a pin, and can continuously correspond to the thickness of each arm according to the rotational displacement.
The sliding member has a non-circular cross section, and the same non-circular cross-sectional hole is fitted to one hinge piece that is drilled in the axial direction. The slidable and non-rotatable mechanism can be configured.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The mounting mechanism with an adjustment function of the arm-mounted electronic device of the present invention can continuously adjust the degree of closing of the holder steplessly according to the thickness of the arm with individual differences, and maintains the electronic device in the most suitable position. As a mechanism that can be used, a conventional mechanism in which a hinge pin 32 inserted in a hole provided in one hinge piece 24 is directly engaged between one hinge piece 24 and the other hinge piece 28 as shown in FIG. As shown in FIG. 1B, the member 10 interposed between one hinge piece 24 and the other hinge piece 28 is separately provided, and the pin 32 is inserted into the hole of the member 10, By providing a mechanism for continuously changing the relative angle of the member 10 to the one hinge piece 24, the positional relationship between the one hinge piece 24 and the other hinge piece 28 can be continuously adjusted steplessly. This is what I thought of. Then, in order to be able to adjust the positional relationship without disassembling the hinge, a mechanism is adopted in which the angle adjustment of the member interposed between the hinge pieces is operated from the outside.
[0007]
The embodiment of the mounting mechanism with an adjustment function of the arm mounting type electronic apparatus of the present invention will be described in detail below. The configuration of the arm-mounted electronic device according to the embodiment of the present invention is not substantially different from the prior art shown in FIG. A side sectional view showing the entire electronic device is the same as FIG. 7A, and the arm-mounted electronic device 20 includes a main body 21 and two pieces of holders 22 and 23. In the drawing, the left side holder 22 is closed and the right side holder 23 is open. The main body 21 and the holders 22 and 23 are coupled by hinges.
Holes 30 and 31 are also provided in the hinge pieces 28 and 29 facing the holes 26 and 27. Since the mechanism of the hinge is the same on the left and right, the left hinge will be described here for convenience. In the hole 26 of the hinge piece 24 on one side, a hammer pin 32 biased toward the opening side by a spring is accommodated. As the holder 22 rotates, that is, the hinge piece 24 rotates, the hole 26 also rotates. And when the hole 26 faces the hole 30 of the hinge piece 28 facing, the pin 32 is fitted into the hole 30 facing. As a result, the hinge piece 24 and the holder 22 integral therewith are fixed.
The structure of the hinge portion is largely different mechanically as described above with reference to FIG.
[0008]
FIG. 2 is an enlarged view showing a hole formed in the main body side hinge piece. 2A is a cross-sectional view showing a state where the hinge is not fixed, and FIG. 2B is a cross-sectional view showing a state where the hinge is fixed. As shown in FIG. 5A, when the holder 22 is in the open state, the hinge pin 28 is located inside the hole 26 because the facing hinge piece 28 becomes an obstacle. In FIG. 5B, the pin 32 is inserted into the hole 30 provided in the hinge piece 28 on the main body 21 side, and the force of the holder 22 to open by a coil spring (not shown) is applied to one side wall of the hole 30. The pin 32 is pressed and locked. As a result, the holder 22 is positioned in the closed state. The push-out bar 38 is integrated with the push button 39 in order to move up and down and push back the pin 32 inserted into the hole 30 (31). In this state, when the push button 39 is pressed and the pin 32 is pushed into the hole 26 against the spring, the locking relation between the hole 30 and the pin 32 is released, and the holder 22 is repelled by the force of the coil spring. In the state (a), the electronic device can be removed from the arm. When mounting the electronic device on the arm, when the hinge 22 (23) is rotated against the coil spring in the open state of FIG. (A), the pin 32 will slide on the surface of the mating hinge 28 (29) before long. The hole 30 (31) is reached and inserted into the hole 30 (31) by the spring force, resulting in the state shown in FIG. This state is a state in which the electronic device is worn on the arm.
In addition, the number of holders connected by the hinge may be one or two. Further, it is preferable to provide a plate P having a large cross-sectional area at the tip of the extrusion bar 38. Furthermore, when the push button 39 is biased so as to be returned to the original position toward the outside of the main body by the spring, the push button 39 is easily pressed. As described above, according to the arm-mounted electronic device according to the embodiment of the present invention, the pusher button is used to remove the fitting between the hole and the hole, and the holder is opened. Can be removed from the arm.
[0009]
In the present invention, as a mechanism for adjusting the opening degree of the hinge, a cylindrical member in which a pin inserted between the main body side hinge piece and the holder side hinge piece constituting the hinge is inserted, and the rotation angle of the cylindrical member with respect to one hinge piece And a pin for adjusting the rotation angle of the hinge pin with respect to one hinge piece in a state where the pin is fitted with a fitting hole formed in the other hinge piece. It can be adapted to the thickness of each arm. The mechanism for adjusting the rotation angle of the cylindrical member from the outside is that a cam groove provided in the cylindrical member and a pin engaged with the cam groove are implanted in one direction with respect to one hinge piece. A sliding member that is slidable and held in a non-rotatable state, and a screw that exposes the screw head to the outer surface of the hinge portion and adjusts the sliding member so as to freely advance and retract in one direction, The cylindrical member is rotationally displaced by a cam via a pin that adjusts the position of the sliding member in one direction by a screw, and can continuously correspond to the thickness of each arm according to the rotational displacement.
The opening degree of the hinge is adjusted in this way, and the opening degree is shown in FIG. FIG. 3A is an enlarged cross-sectional view showing the one-side hinge portion, and FIG. 3B is a cross-sectional view showing the entire arm-mounted electronic device. Although the figure changes continuously corresponding to the rotational position of the cylindrical member, the figure shows a thin arm, a middle thick arm, and a thick arm in three states. The angle adjustment is a continuous and stepless process, and since it can be adjusted with both hinges, a wide and highly flexible angle adjustment is possible. As described above, according to the arm-mounted electronic device mounting body according to this embodiment, the fixing position of the band can be changed by adjusting the rotation angle of the cylindrical member by moving the sliding member forward and backward. it can. Thus, the band can be maintained at the most appropriate position according to the thickness of the arm.
In the present invention, when the arm-mounted electronic device is mounted on the arm, the band is fixed by locking the hole provided in the hinge and the pin, so that the user does not have to worry about the fitting position and state. Just hold the holder against your arm. Furthermore, if two holders are provided, a microphone and a speaker such as a form telephone can be built in each holder. By doing so, an arm-mounted electronic device that can be used both in the case of wearing on the arm and in the case of applying to the ear and mouth is configured from the approximate length of the arm circumference and the distance between the ear and the mouth. The
[0010]
[Example 1]
An embodiment of the present invention will be described with reference to FIG. FIG. 4 is an exploded perspective view of the hinge portion of the main body 21 and the holder 22, and the member interposed between the main body 21 side hinge piece 28 and the holder 22 side hinge piece 24 is a cylindrical member 10, from an enlarged sectional view indicated by an arrow in the figure. As can be seen, one end side of the cylindrical member has a solid shape, and a hole 26 for inserting the pin 32 in the radial direction is formed in that portion, and a screw hole is formed in the center of the end portion in the axial direction. Yes. The other end side is hollow, and a long hole 11 serving as a cam groove is formed in the side wall in a target form on both sides. A sliding member 12 is fitted into this hollow portion, one of the sliding members 12 has a through hole for inserting a pin 13 that engages with the long hole 11, and the other side has a flat shape with a rectangular cross section. A screw hole is formed in the center of the end portion so as to be screwed into the adjustment screw 15 in the axial direction. Pins 13 are inserted into the through holes, and both ends of the pins engage with the elongated holes to constitute a cam mechanism. At the time of assembly, the outside of the cylindrical member 10 is covered with a cover 14 so that the pin does not come off, but the cover 14 is provided with a notch so as not to obstruct the pin 32. The hinge piece 24 on the holder 22 side is divided into both ends and a central member, and a rectangular hole 24a having a rectangular cross section for fitting the flat portion 12a of the sliding member is formed in the central member. The fitting of the two members may be any relationship as long as it is slidable in the axial direction and cannot be rotated around the shaft, and the cross-section is not necessarily rectangular but may be a non-circular shape about the shaft center.
[0011]
The hinge piece 28 on the main body side is divided into two left and right hinge pieces, and when the hinge member is assembled, it is sandwiched between the three holder side hinge pieces 24 and arranged in a comb shape. A hinge spring 35 is disposed in the hinge piece 28 on the left side in the drawing, and urges the main body 21 and the holder 22 in the opening direction. This mechanism is the same as that of the conventional apparatus shown in FIG. Between the right hinge piece 28 and the holder side central hinge piece 24, the cylindrical member 10 is inserted in a form in which the sliding member 12 is fitted and the cover 14 is covered. At that time, the flat portion 12a of the sliding member is assembled so as to fit into a rectangular hole 24a formed in the central hinge piece 24. The adjustment screw 15 is passed through the shaft hole from the left end of the hinge piece 24 and the tip screw portion is screwed into the central screw hole of the sliding body 13. Next, the retaining ring 17 is inserted from the gap between the hinge pieces and fitted into a circumferential groove provided in the original portion where the screw groove of the adjustment screw 15 is not cut, and the adjustment screw 15 is inserted into the shaft of the hinge piece 24. Determine the directional position and prevent omission. A screw 16 is inserted into the central screw hole from the right end side of the hinge piece 24 and screwed into a screw hole drilled in the right end of the cylindrical member 10.
[0012]
When the adjusting screw 15 is rotated in such an assembled state, the sliding member 12 that is prevented from rotating and is allowed to move in the axial direction moves forward and backward in the axial direction according to the amount of rotation. And depends on the direction of rotation. When the sliding member 12 is displaced, the pin 13 implanted in the sliding member 12 is also displaced, and the cylindrical member 10 that is engaged through the elongated hole 11 is rotationally displaced by the cam mechanism. A pin 26 is inserted in the hole 26 formed in the cylindrical member 10 via a spring material at the tip, and the rotation angle of the pin 32 with respect to the hinge piece 24 is the rotational displacement of the cylindrical member 10. It depends on the amount. When the holder 22 is rotated from the open state as shown in FIG. 2A in the direction of tightening on the arm against the spring force of the hinge spring 35, the pin 32 slides on the surface of the hinge piece 28 before long. It reaches the hole 30 portion and is inserted into the hole 30 by the spring force, resulting in the state of FIG. The position where the holder 22 is locked depends on the positional relationship between the hole 30 drilled in the main body side hinge piece and the pin 32 inserted into the cylindrical member 10. In the present invention, the cylindrical member 10 is a member interposed between the main body side hinge piece 28 and the holder side hinge piece 22, and the angle between them can be set by adjustment with the adjusting pin, It is possible to appropriately correspond to the thickness. Moreover, the adjustment can be easily performed from the outside without having to disassemble the parts.
[0013]
[Example 2]
Next, as another embodiment, an adjustment screw 15 is provided on the central hinge piece 24 on the holder side, the sliding member 12 is slid in a direction orthogonal to the axis, and the cylindrical member 10 is rotationally displaced by a cam mechanism. . FIG. 5 is an exploded perspective view of the hinge portion of the main body 21 and the holder 22, and the member interposed between the main body 21 side hinge piece 28 and the holder 22 side hinge piece 24 is the cylindrical member 10, and is an enlarged cross-sectional view indicated by an arrow in the figure As can be seen, a hole 26 for inserting the pin 32 in the radial direction is formed in one end side of the cylindrical member 10, and a screw hole is formed in the center of the end portion in the axial direction. On the other end side end surface, a long groove 11 'serving as a cam groove is formed as shown in the right side view of FIG. Further, as shown in the left side view of FIG. 6, a long groove 24a having a rectangular cross section is formed in the hinge piece 24 at the center on the holder side on the side in contact with the cylindrical member 10, and an adjustment screw from the outer surface to the long groove 24a. A through hole into which 15 is inserted is formed. A sliding member 12 having a rectangular cross section is fitted into the long groove 24a in such a manner that the sliding member 12 can slide in the longitudinal direction, and a through-hole having a thread groove cut in the longitudinal direction is formed at the center of the cross section of the sliding member 12. In addition, a pin 13 that engages with the long groove 11 ′ is implanted at one end of the side surface. The cross sections of the long groove 24a and the sliding member 12 do not necessarily have to be rectangular, and may be any shape that can slide in the radial direction.
[0014]
The hinge piece 28 on the main body side is divided into two left and right hinge pieces. When assembling the hinge member, the hinge piece 28 is sandwiched between the three holder side hinge pieces 24 and arranged on the right side in the figure. A hinge spring 35 is disposed in the piece 28 and is biased in the direction in which the main body 21 and the holder 22 are opened, as in the previous embodiment. The sliding member 12 is fitted into a long groove 24 a having a rectangular cross section, and an adjustment screw 15 is passed through the long groove 24 a from the outer surface of the hinge piece 24, and a tip screw portion is screwed into a central screw hole of the sliding body 12. Next, the retaining ring 17 is inserted into the upper wall surface of the long groove 24a and is fitted into a circumferential groove provided in the original portion where the screw groove of the adjustment screw 15 is not cut, and the adjustment screw 15 is radiated from the central hinge piece 24. Determine the directional position and prevent omission. In this state, the cylindrical member 10 is inserted between the left hinge piece 28 and the holder side central hinge piece 24. At this time, the pin 13 of the sliding member 12 is fitted into the long groove 11 ′ of the cylindrical member 10. Incorporate as follows. A screw 16 is inserted into the central screw hole from the right end side of the hinge piece 24 and screwed into a screw hole drilled in the right end of the cylindrical member 10.
[0015]
When the adjustment screw 15 is rotated in such an assembled state, the sliding member 12 that is allowed to move in the radial direction moves forward and backward according to the amount of rotation, but the displacement and direction depend on the screw groove and the rotation direction. To do. When the sliding member 12 is displaced, the pin 13 implanted in the sliding member 12 is also displaced, and the cylindrical member 10 in an engaging relationship is rotated and displaced by the cam mechanism through the long groove 11 ′. A pin 26 is inserted into a hole 26 formed in the cylindrical member 10 via a spring material at the tip, and the rotation angle of the pin 32 with respect to the hinge piece 24 is the rotational displacement amount of the cylindrical member 10. Will depend on. The position adjustment of the holder according to the rotational displacement amount is not different from the previous example.
[0016]
The mounting mechanism with position adjustment function of the arm-mounted electronic device according to the present invention is a member in which a pin that is interposed between a main body side hinge piece and a holder side hinge piece constituting a hinge is provided. Although the mechanism can be adjusted from the outside, the specific means can take various modes as can be seen from the above examples. In the embodiment, a mechanism for converting the rotation of the adjustment screw into a linear displacement amount and converting the linear displacement into a rotational displacement of the cylindrical member by the cam mechanism is adopted, but the present invention is not limited to this, and a gear mechanism can also be used. A means that can be operated from the outside and an appropriate mechanism that can rotate and displace the cylindrical member in response to the operation can be adopted.
[0017]
【The invention's effect】
The mounting mechanism with position adjustment function of the arm-mounted electronic device according to the present invention includes a cylindrical member in which a pin inserted between a body-side hinge piece and a holder-side hinge piece constituting a hinge, and the cylinder for one hinge piece. A mechanism for adjusting the rotation angle of the member from the outside, and the pin is in a state of being fitted and locked with a fitting hole formed in the other hinge piece according to the angle setting by the adjusting mechanism. Since it corresponds to the thickness of the arm, it is possible to adjust the continuous amount steplessly, and the optimal state can be adjusted for a person of any arm thickness. Moreover, the adjustment can be easily performed without the need to disassemble the parts.
As a mechanism for adjusting the rotation angle of the cylindrical member from the outside, a cam groove provided in the cylindrical member and a pin engaged with the cam groove are implanted, and slides in the axial direction with respect to one hinge piece. A slide member that is held in a non-rotatable state and a screw that exposes the screw head at the end of the hinge and adjusts the slide member so that it can advance and retreat in the axial direction, or a cylindrical member A cam groove provided, a sliding member in which a pin engaged with the cam groove is implanted and held slidable in a radial direction with respect to one hinge piece, and a screw on the outer surface of the hinge piece Consisting of a screw that exposes the head and adjusts the sliding member so that it can be moved back and forth in the radial direction, the adjustment mechanism is simple, and it is possible to adjust the continuous amount steplessly by simply turning the adjustment screw. And it can be adjusted optimally for people with any arm thickness .
[Brief description of the drawings]
FIG. 1 shows a comparison between an arm-mounted electronic device of the present invention and a hinge part of a prior art, wherein A is a prior example and B is a perspective view of the hinge part of the present invention.
FIGS. 2A and 2B are cross-sectional views of the hinge portion, where FIG. 2A is a view showing a state in which the hinge portion is released, and FIG. 2B is a view showing a state in which the hinge portion is positioned.
3A and 3B are diagrams showing how the hinge is opened, in which FIG. 3A is a cross-sectional view of a one-side hinge portion, and FIG. 3B is a side view of the entire arm-mounted electronic device.
FIG. 4 is an exploded perspective view of a hinge part according to one embodiment of the present invention.
FIG. 5 is an exploded perspective view of a hinge part according to another embodiment of the present invention.
FIG. 6 is a side view of a central hinge piece and a cylindrical member facing each other according to another embodiment of the present invention, in which the left side is the central hinge piece and the right side is the cylindrical member.
7A and 7B show a prior art arm-mounted electronic device, in which FIG. 7A is an overall side view and FIG. 7B is a plan view of a hinge portion;
FIG. 8 is a diagram illustrating a position adjustment mechanism in the prior art.
FIG. 9 is a cross-sectional view showing that the opening length of the hole affects the opening degree of the holder in the prior art.
[Explanation of symbols]
10 Cylindrical member 24,25 Holder-side hinge piece
11 Long hole 24a Square hole (long groove)
11 'Long groove 26,27 Pin insertion hole
12 Sliding member 28, 29 Hinge piece on the body side
12a Flat part 30,31 Contact hole
13 pin 32 pin
15 Adjustment screw 35 Hinge spring
16 Screw 38 Extrusion bar
17 Retaining ring 39 Push button
20 Arm-mounted electronic devices
21 Body material
22, 23 Holder material

Claims (4)

An electronic device mounting mechanism that can be mounted on an arm composed of a main body and a holder,
Includes a cylindrical member inserted bolted pin interposed body side hinge piece and a holder-side hinge pieces that constitute the hinge and an adjustment mechanism for adjusting the rotation angle of the cylindrical member relative to one of the hinge pieces from outside, the The adjusting mechanism is configured so that a cross section of the one hinge piece drilled in the axial direction is fitted into a non-circular hole so that the hinge piece is slidable in the axial direction and cannot rotate. A sliding member having a non-circular flat cross section at the end, and a pin engaged with a cam groove provided in the cylindrical member, the cam groove extending in the axial direction. In contrast, when the sliding member is slid in the axial direction, the pin moves along the cam groove to move the sliding member in the axial direction. The cylindrical member rotates in the rotation direction, and the cylindrical member rotates. Position of the yoke pin, which is inserted into the cylindrical member relative to said one hinge piece is changed by said yoke pin was sealed fitting holes and fitting engagement which is formed in the other hinge piece A mounting mechanism with a position adjusting function for an arm-mounted electronic device, wherein the fixing position of the band is changed according to the thickness of each arm in accordance with the angle setting by the adjusting mechanism. The adjusting mechanism further screw head is exposed to the hinge end portion has a screw which movably displace the sliding member in an axial direction, wherein by displacing the slide member in the axial direction by the screw The mounting mechanism with a position adjusting function for an arm-mounted electronic device according to claim 1, wherein the rotation angle of the cylindrical member is adjusted. Said sliding member is a rectangular cross-section, by a hole of the same rectangular cross-section is fitted with the one of the hinge pieces bored axially, axially relative to said one hinge piece The mounting mechanism with a position adjusting function for an arm-mounted electronic device according to claim 1 or 2, wherein the slidable and non-rotatable state is held. The arm mounting type electronic device which has a mounting mechanism with a position adjustment function of the arm mounting type electronic device according to any one of claims 1 to 3.

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