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JPS4941227

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DESCRIPTION JPS4941227
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a bottom view showing an example of a
variable resistor multi-axis simultaneous adjustment device according to the present invention,
and FIG. 2 is a cross-sectional view along lines A and A. 1 иииииии Substrate, 2a to 2d ииииииииии Variable
resistor, 3a to 3d ииииииии Adjustment shaft, 4a to 4d ииииииииии 5d ииииии small diameter gear, 6a~6d ииииии
large diameter gear, 9a~9d ииииии arm, 10 ...... Repa 11 ...... sphere . -61 = Actual opening 49-12227
(2)-2 cases-62 =
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a variable resistor
multi-axis simultaneous adjustment device suitable for use in, for example, the volume
adjustment of a two-channel stereo, four-channel stereo acoustic device. If the left front signal is
enlarged and the right rear signal is canceled simultaneously or the left front signal and the left
front signal are enlarged simultaneously by operating the one adjustment lever in the 4-channel
stereo sound system, the right rear signal and the right will be # It is convenient to do f) 111,
such as simultaneously reducing the signal after ?-ox ox 7-t. For such control, Japanese Utility
Model Publication No. 43-2196 "Multiple @ 1h 1 o'clock Adjustment Device for Variable
Resistor" has been proposed. In this conventional device, the peripheral part of the chassis is
bent to form a box-like shape, and on the opposite surface thereof, each has a variable resistor
attached. The opposite variable resistor MA ** 1ly (semi-welded both ends of the semicircular
arc-shaped continuous drawing, respectively fixed by welding, the series ll1I] in the slot along the
longitudinal direction of the plate 12, insert the bar, turn its lever V ', adjust multiple variable
resistors at the same time. The adjustment angle of the lever is ideally 90 degrees, but in practice
this is 70 to 80 degrees, and this is a variable resistance device. Generally, it is possible to rotate
as much as 270 degrees, and orange. Therefore, the variable resistor 15 is not effectively used 11, and in order to obtain a predetermined 9 rt adjustment node circumference in the small
adjustment range, the change characteristic of the resistance value due to the rotation of the
adjustment shaft of the variable resistor is sudden It is necessary to make things, and it will be
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more difficult to adjust. 1,19 tar q / coco que o 3 This invention uses rotational speed increasing
means. With a small lever rotation, the variable resistor can be adjusted to a large width Kq to
obtain a multi-axis simultaneous adjustment device of the variable resistor which can easily
adjust the volume. Next, referring to the drawings, a variable resistor according to the present
invention. An example of the multi-axis simultaneous adjustment device of A substrate is shown
at 1 in the drawing, and four variable resistors 2a + 2b + 2c и 2d are attached to one surface of
the substrate at a right angle distance to the central part thereof. Between the adjusting shafts 3a
to 3d of these variable resistors 2a to 2d and the substrate 1 and 11 ░, 1 m speed increasing
means 4a to 4d are respectively provided. That is, the adjusting shafts 3a to 3d have the other
surfaces of the substrate (protruded, and the small diameter gears 5a to 5d are attached to this
projecting end respectively, and the large diameter gears 6a to 6d meshing with these small
diameter gears 5a to 5d respectively A collar t7 is disposed on the 1 ░ diameter gear so as to be
offset in the direction of right turn. One end of the shafts 7a to 7d of these large diameter gears
6a to 6d is rotatably stood on the substrate 1, and the fixtures 8a to 8d are attached to the other
ends of the shafts 7a to 7b, respectively.
Each combination of a small diameter gear wheel and a large diameter gear wheel constitutes a
131 ? data 2 core ? speed increasing means 4a to 4d. In the attachment of the input shafts of
the first speed increasing means 4a to 4d, that is, the shafts 7a to 7d of the large diameter gear,
one end of each of the arms 9a to 9d is fixed to the members 8a to 8d. In mounting, the side
surfaces of the tools 8a to 8d are cut off from the flat surface V, and the flat V-shaped plate-like
arms 9a to 9d are fixed respectively. The arms 9a to 9dfl are bent parallel to the substrate 1 at
their fixed positions, and the other ends of the arms are free ends. At the same time, at the
crossing points of these arms 9a-9d. (The holding lever 10 is disposed, and the base plate 1 is
spherically supported by the ball 11 attached to the lever 10. The arms 9a to 9d are rotated by
relative rotation V of the lever 10 and the substrate 11. For this reason, l '## holes 12 along the
longitudinal direction 5 are formed in the plate surfaces of the arms 9a to 9d, respectively, and
V's 12VC lever 10 is loosely inserted at the same time. Further, a central hole 13 is made at the
center of the substrate 1, a bearing 14 of voltage insulating material at the central hole 13 of the
gauze is attached, and the ball 11 on the lever lO is bearing on this bearing 14. Shika! A knob 15
is attached to the protruding end of the 4149-41227-05 bar IO from the resistor 2a to 2d side. In
the above-described configuration, when the lever 1 (1 and the shaft 711. 70 are pivoted in the
direction to connect, only the arms 9b and 9d are pivoted by the lever 10, and this rotation). The
speed is increased by the speed increasing means 4b and 4d, and the adjustment shaft of the
variable resistor 2b 12d is turned. When the lever 10 is rotated in the direction connecting the
shafts 7b and 7d, only the arms 9a and 9c move in the same manner, and only the variable
resistor 2a 12C is rotated. ,. When the lever lOk pivots in the middle direction of the above two
directions, the arms 9a to 9d are respectively moved 1ol according to the above two direction
components of that direction, and according to this VC (the IT variable resistance N2M to 2d It is
adjusted at the same time. In the device lvc of the present invention, the lever 100 has a pivoting
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range of +570 to 80 degrees, but the rotational acceleration means 4a to 4dK and (b) vJ of each
arm is converted to a larger angle 1Fii motion, which is variable. It is largely rotated about the
adjustment axis of the resistors 2a to 2d. Therefore, the adjustment range of each of the variable
resistors 2a to 2d can be effectively used, and in the case of (5) 49-41227-06 in the same volume
variable range, the resistance value change characteristic with respect to the angle of the
adjustment axis is distorted. It becomes smooth and easy to adjust. Although the variable
resistors 2a to 2d are adjusted by rotating the lever lO in the above description, the lever lO may
be fixed and the substrate l may be moved.
In the case of using the substrate, the variable resistor, the interlocking plate (arm), etc. shown in
the above-mentioned Japanese Utility Model Application Publication No. 2196, the present
invention can be applied in which a rotational speed increasing means is provided also in other
cases. Not only the use of gears as the rotational speed increasing means, but also slippage-free
friction coupling may be used. Variable resistor 2. . One of a + 2c and one of the variable
resistors 2b and 2d can be omitted.
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