JPS5066602

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DESCRIPTION JPS5066602
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 and FIG. 2 are schematic views of a conventional
cartridge, FIG. 3 is a cross-sectional view of an embodiment of the present invention, and FIG. 4 is
an embodiment of the present invention. FIG. 2 is a coil, 2A is a coil lead wire, 3 is a terminal
board, 4 is a conductive wire pin, 6 is a case, 10 is an insulating substrate, and 11 and 11A are
printed conductors. Fig. 1-3 Japanese Utility Model Application Publication No. 50-66602 (2) Fig.
2 Fig. 3 Fig. 4-4
DETAILED DESCRIPTION OF THE INVENTION The present invention simplifies the assembly
operation for connecting the output lead of the electromechanical transducer composed of the
detection coil of the cartridge, etc., and the conductive bin, and this connection is broken. To
prevent the occurrence of In a conventional cartridge, for example, a barrier pull reluctance type
force to tori, as shown in FIG. 1, one end of a coil lead wire (2 persons) of a coil (2) provided on a
pole piece t1) K fixed n running conductive pin (4) connected by K soldering. However, since the
diameter of the coil (2) is Fio, a wire of 04 wh or less and the diameter of the conductive bin (4)
is (1 to 1.2111), attention must be paid to the work of soldering both The work efficiency was
poor due to the need for skill and skill (1) and a pair V. Not only that, after soldering one end of
the coil lead wire (2A) and the conductive pin (4), the pole piece portion Ill, the terminal plate
customer 3) and the like are accommodated in the case, so An accident such as disconnection of
the wire (2A) was found. In the conventional cartridge, the pole piece portion (1) and the
terminal plate (3) are integrally formed and stored in the case, or the pole piece portion l1 shown
in FIG. The terminal board (3) is pivotably mounted on the hinge (5) for VC, soldered in a state
shown by a solid line, and then assembled as shown by the two-point @ line. Has been done.
However, when the pole piece portion 11) and the terminal plate +3) are integrally formed, there
is a possibility n that the synthetic resin material forming the pole piece portion +11 and the
terminal plate (3) is deformed by heat during the soldering operation. , I can not improve the
workability. Also, in the case of connecting with the hinge 15), the workability is not improved so
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much, and there is a risk of internal disconnection if the skilled person does not perform
soldering. (2) The present invention eliminates the disadvantages of the conventional cartridge
described above. Hereinafter, one embodiment of the present invention will be described with
reference to the drawings. In FIG. 3, reference numeral 161 denotes a case, which is enclosed by
a shield case (7) in the front of the case I6). The part 11) and the coil 12) are stored. The coil 12)
is wound on a bobbin (8) and a permanent magnet (9) is provided. Further, a terminal plate (3) to
which a conductive pin (4) is fixed is provided detachably at the rear of the case (6).
The terminal board 13) is soldered to the printed conductor fi1) (shown hatched in FIG. 4) of the
walled substrate shown in FIG. 4 in a state of being detached from the light case (6). The
insulating substrate port e is, for example, a portable one made of a thin plate of synthetic resin
material. Also, although the shape of the acid supply substrate 16 substantially conforms to the
shape of the terminal plate C3, its height or higher than one child 1t31, the printed conductor
(lIA) of the soldered coil lead wire (two persons) is The formed end is made to project out of the
case IQl. f Nine thin board QIK has a hole 1121 into which the tip of the conductive bin (4)
protruding into the case (6) is inserted. 13) Then, after the electronic solder (3) K insulating
substrate 0 ··· is attached, and the conductive conductor y ′ 4) K insulating substrate · 11
printed conductor l) 1) is soldered, the terminal plate 1 . () Is heavily loaded in Case 61. FIG. 3
shows this state. Here, the printed silk conductor (11A) on the shoulder of the insulating
substrate α · is positioned outward from the case 6), and the-喝 of the coil lead wire (2 persons)
is soldered against this printed conductor (11A) K Will be attached. After this soldering is
completed, as shown by a two-point line in FIG. I31 is attached. In this case, since the insulating
substrate αI is flexible, back nine! When it is positioned in the case 16) by being bent and bent
as shown in FIG. According to the present invention described above, since it is not intended to
solder the very thin coil lead M (2A) directly to the conductive pin (4), it is easy and reliable to
connect the both. Can. In this case, the terminal plate (3) is housed in the case (6) after the step
of soldering the conductive bin (4) and the printed substrate of the insulating substrate 'IQ), and
in this state the printed conductor (11A) and By soldering (4) the lead wire (2) to the core lead
wire, it is possible not only to facilitate soldering, but also to cause a disconnection accident
when the case is stored like a conventional cartridge. It can be prevented. If the insulating
substrate l'lα is made of a monumental one, the printed conductor (IIA) of the groove is in the
case (6) with the non-conductive substrate lll projecting outward of the case (6). The printed
conductor (lIA,) and the coil lead wire (2A) can be soldered in the state of projecting outside, so
there is no fear that the case 61, etc. will be deformed by heat and soldering can be performed
easily be able to. The same benefit applies to a moving coil type, ^ -ping magnet type, a thousand
type, a capacitor type, a semiconductor type, and a photoelectric type cartridge other than the
present proposal light portable reluctance type.
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