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JPS4941228

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DESCRIPTION JPS4941228
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a bottom view showing an example of the
multi-axis simultaneous adjustment device according to the present invention, and FIG. 2 is a
cross-sectional view taken along the lines A and A. DESCRIPTION OF SYMBOLS 1 иииииии Substrate,
2a to 2d ииииииииииииииии 3a to 3d ииииии One adjustment shaft, 5a to 5d ииииииииииииии Arm, B ? 1 1 1 63 Japanese Utility Model Sho.
DETAILED DESCRIPTION OF THE INVENTION The present invention is, for example, 2 channel
stereo, 4 ch. The present invention relates to a multi-axis simultaneous adjustment device of a
variable resistor which is suitably applied to the acoustic adjustment of a channel stereo acoustic
device. In the 4 channel stereo sound system, the operation of one adjustment lever increases the
left front signal and simultaneously reduces the right rear signal, or the left front signal and the
right. It is very convenient to perform control such as simultaneously increasing the 49-1222802 front signal and simultaneously reducing the left rear signal and the right one-peak signal. For
such control, a multi-axis y4 alignment device of a variable resistor is proposed in, for example,
Japanese Utility Model Publication No. 43-2196. This conventional costume Wt Sha. -The
periphery of the case is bent to form a box-like shape, and variable resistors are respectively
attached to the opposite surfaces thereof. Fix both ends of the semicircular interlocking plate to
the adjustment shaft of the opposite variable resistor 1 respectively, insert a 9M adjustment lever
into the groove along the longitudinal direction of the interlocking plate 7 7 IE 1m of the lever 1
░ Setting the plurality of variable resistors to M-time lf-adjustment. In this case, if the
adjustment shafts of the two variable resistors attached to one interlocking plate are correctly
positioned at one straight line 7, the interlocking plate will twist when the interlocking plate is
turned. Therefore, each installation resistance, installation of 5 chiri places a strict demand on
the accuracy of the order f #, so the assembly f # construction becomes troublesome, which
causes the cost increase. Also, in order to mount the variable resistor on the opposite surface of
the chassis, it is necessary to make the chassis into a box-like shape, and it has a drawback that it
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becomes three-dimensional and also has a large shape as a whole. ?????????????
???? This device fixes one end of the arm to the adjustment shaft of each variable resistor,
frees the other end of each arm, engages all the arms and the adjustment lever at the intersection
point of each arm, and adjusts By rotation of par. The adjustment shaft of the variable resistor
can be cut through the arm. In this way, the mounting of the variable resistor makes it possible to
ease the requirements for accuracy and to be able to be configured planarly as required. The
variable resistor according to the invention, then with reference to the drawings. Let's explain an
example of multi-axis simultaneous v4 alignment device. In the figure, an lfi metal substrate is
shown, and variable resistors 2a, 2b and 2c 12d are respectively attached to the substrate l
corresponding to the positions of the corners of the square. The fine adjustment axes 3a to 3d of
these variable resistors 2a to 2d are respectively projected through the 15 substrates l. One end
of each of the arms 5a to 5d parallel to the substrate 1 is fixed to the protruding end of each of
the adjustment shafts 3a to 3d through the connection pipe 4, respectively.
The other end of each of the arms 5a to 5d is free, and is not connected or fixed to #. AO-AI ')') QnIi This 'arms 5a-5d' and 4 variables respectively. It has the same length as the diagonal distance
of the resistors, and crosses one another to gather at the center position of the four usable
resistors. At this crossover position, the adjustment levers 6 are simultaneously engaged so as to
turn each arm 5. For this reason, each arm 5 is formed such that the groove hole 7 along the
longitudinal direction is opposed to the substrate 1. The adjusting lever 6 is loosely inserted in
the slot of each arm. A ball 8 is fixed on the adjusting lever 6 in a penetrating manner, and the
base plate 1 is spherically supported by the ball 8. Substrate for this. A hole 9 is made at the
center of the shaft l, a bearing 10 of an insulating material is fixed to the hole 9, and the bearing
1 OVC sphere 8 is rotatably held. A knob 11 is attached to the end of the lever 6 projecting to the
side opposite to the arm 5 of the ball 8. The resistance value of the variable plates WrW2a to 2d
can be adjusted by rotating the adjusting lever 6 in the above-described configuration. For
example, if the adjustment lever 6 is turned to the right, 90 to the variable resistance 82C @, as
shown by a single point axis @ in FIG. 2, the arm 5b is opposite 0 (4) 49 as shown by an alternate
long and short dash line in FIG. The arm 5d is turned clockwise in the clockwise direction.
Accordingly, the adjustment shafts of the variable resistors 5b and 5d are simultaneously rotated.
If the lever 6 is pivoted in the opposite direction in FIG. 2, the variable resistors 5b and 5a are
each pivoted in the opposite direction. If the lever 6 is turned in the direction of the middle point
of the resistor 25ae2b in FIG. 1, the resistor 2a is rotated counterclockwise, 2b clockwise, 2C
clockwise and 2d clockwise in FIG. Ru. Likewise, according to the rotation direction of the lever 6,
two or four variable resistors are simultaneously rotated, and that time. The amount of
movement changes in accordance with the rotation angle of the lever 6 in the same rotation
direction. Further, the rate at which the variable resistor rotates is 4 different depending on the
rotation direction of the lever 6. These variable resistors 2a-2d correspond to the four channels
in the four channel stereo acoustic device. If it is used for volume control, it can be made to feel
as if it is in the collection position according to taste. As described above, according to this
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invention, only one end of each of the arms 5a to 5d is fixed to the adjusting shaft, and both ends
thereof are fixed to the two adjusting shafts in a different manner from that of + 5149-41228-06.
Mounting of variable resistors 2a to 2d is position accuracy. There is no need to make it as
severe as it is on the left, which makes it easy to assemble the device.
Also, as in the case of the Hz example, four required rods H6 can be attached to one surface of
the substrate l, and the overall size can be reduced by a planar configuration. ???? In the
above description, holding for rotating the arm 5t by the lever 6 was performed by inserting the
lever into the slot of the arm 5, but the arm 5 has a simple lot shape and L, and the end of the
lever 6 is four. Fork, this four-pronged ,. One arm 5 is charged between two pairs, and f1 between
the other two pairs! The arm 5 and the lever 6 may be engaged so that the arm i is electrically
charged. As described above, one of the movable resistors 2a and 2c and one of the variable
resistors 2b and 2d can be omitted. The lever 6 '5r may be fixed and the substrate 1 may be
pivoted instead of the lever 615 being separated.
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