JPS49887

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DESCRIPTION JPS49887
■ Int-C 1-[phase] Japan classification [phase] Japan (H04r19 / 10102C34 patent [phase]
electrode assembly ■ Japanese Patent Application No. 45-9096 [phase] application No. 45
(1970) February 3 @ inventor Watanabe Shoji 5 Kawasaki City Ku-ku-ku 70 Tokyo Shibaura
Electric Co., Ltd. Yanagicho Co., Ltd. Nobuo Shijiji Co., Ltd. Konosuke Seki 70 Kawasaki-ku
Kokumu Toshiba Town 1 Tokyo Shibaura Electric Co., Ltd 0 0 applicant Shibaura Electric Co., Ltd.
Kawasaki -Ku Horikawacho, Shiga-ku-ku [phase] Agent patent attorney Takehiko Suzue 4 outside
75
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a conventional
electrode assembly, FIG. 2 is a perspective view showing one embodiment of the electrode
assembly of the present invention, and FIG. 3 is a front view showing the main part of FIG. Fig. 4
is a perspective view showing the main part of the embodiment of the present "bright electrode
assembly.
The present invention relates to a capacitor pickup cartridge, and more particularly to an
improvement of an electrode assembly including a movable electrode and a fixed electrode. The
conventional electrode assembly is constructed as shown in FIG. That is, one end of the cantilever
12 is swingably supported via the damper 13 on a support 11 projecting from the lower inner
surface in the cartridge housing (not shown). In this case, the other end of the cantilever 12 is led
out of the through hole formed in the lower part of the case to the outside of the case, and the
record needle 14 is fixed. Also, one end of each of the armatures 151 and 152 is vibratably
connected to the cantilever 12 at a predetermined position directly in the housing, and the other
end of the armature 3515 L 152 has a movable electrode 161 ° 162 at the other end. Each will
be connected continuously. Further, the movable electrode 161 DEG 29 patent application patent
application publication No. 49-887. ３つ□９４． □。９４．１カ、。 A fixed electrode 171
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° 172 is provided opposite to the number 1 (all three pages) 162 of the invention at a
predetermined interval, and the fixed electrode 171 ° 172 is a fixed electrode support 181. 182
provided on the case. Each is supported by However, in such an electrode assembly, dust often
intrudes into the electrode assembly from a through hole formed in the lower part of the
cartridge housing (not shown), which adversely affects the characteristics. Also, the connection
between the cantilever 12 and the armatures 151 and 152 is not easy to manufacture because it
has constituent difficulties such as the arrangement relationship between the movable electrode
15L152 and the fixed electrode 17L172. In addition, since the cartridge housing, the cantilever
12 (including the record needle 14), and the electrode portion are integrally connected, it is easy
to repair or replace only this portion in the case of partial failure or breakage. Not inconvenient
and uneconomical. The present invention is advantageous and economical because it is possible
to eliminate the above-mentioned drawbacks and package the electrode assembly to reliably
prevent the entry of dust into the electrode assembly, as well as to simplify the production and to
repair and replace each part. The purpose is to provide an electrode assembly. An embodiment of
the present invention will be described in detail with reference to FIGS. 2 and 3. That is, one end
of a cantilever 22 is swingably supported via a tamper 23 on a support 21 projecting from a
lower inner surface in a cart (not shown): ridge housing. In this case, the other end of the
cantilever 22 is led out of the casing from the through hole formed in the lower part of the
casing and the record needle 24 is fixed and this cantilever 22 is provided with an example of the
movable electrode support 27.
The movable electrode support 27 has a concave groove 25 in the bottom surface which is
formed in a shape capable of fitting and fixing the cantilever 22 and the movable electrodes 261
and 262 are respectively disposed at predetermined positions on the other surface. And the like,
and formed on the inner wall of the movable electrode support 27 on the inner surface of the
movable electrodes 261 and 262, respectively-EndPage: 1 (three opposed to each other) The
fixed electrode support 29 on which the electrodes 2812. 282 are disposed is provided so that
the bottom and front and back surfaces of the fixed electrode support 29 are positioned on the
same plane as the bottom and front and rear surfaces of the movable electrode support 21
respectively. . Further, a film 30 made of an elastic polymer material such as rubber is attached
to the front surface, rear surface and bottom surface of the movable electrode support 27 and
the fixed electrode support 29 so as to seal the inside and move it. The electrode support 27 and
the fixed electrode support 29 are integrated with each other. In this case, the film 30 is not
attached to the recessed groove 25 portion of the movable electrode support 27. Thus, the
movable electrode support 2T is fitted and fixed at a predetermined position of the cantilever 22
by the concave groove 24. Therefore, according to the electrode assembly configured as
described above, the movable electrode support 27 and the fixed electrode support 29 are
integrated by the film 30, and so-called packaging with the inside sealed is performed, so dust
may intrude into the electrode assembly. Can be reliably prevented and there is no adverse effect
on the characteristics. Further, the manufacturing is also simplified, and the movable electrode
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151 ° 152 and the fixed electrodes 161, 162, etc. can be attached and detached by making it
possible to reattach the film 29 as well as attaching and detaching the cantilever 22 (that is,
Replaceable and repairable) very convenient and economical. In the above-mentioned
embodiment, although the electrode assembly for stereo was described, it is not limited to this.
Further, the shape of the electrode support etc. is not limited to the above embodiment, and in
particular, the shape of the fixed electrode support may be as shown in FIG. That is, all the
electrode structures formed by integrating the fixed electrode support 41 with the movable
electrode support 27 and the like by forming the locking portions 42 and 42 on the both sides of
the fixed electrode support 41 are integrally fittable '2 The electrode assembly can be easily
fitted and installed easily by providing the holder 43 which is formed in a shape that can be used
for the time division and the rotation 49-887. When the electrode plate 44 connected to the
movable electrode 261 ° 262 or the like is attached to the side surface of the locking portion
42, the portion 5 of the inner wall of the holder 43 corresponds to the side surface of the locking
portion 42. The output plate 45 can be easily taken out and attached, and the packaged electrode
assembly in the holder 43 can be easily taken out and attached, which also helps to prevent
unnecessary removal and removal, and 10 very convenient. It becomes a thing.
In FIG. 4, the same parts as in FIG. 2 and FIG. 3 will be assigned the same reference numerals and
explanations thereof will be omitted. As described above in detail, according to the present
invention, it is possible to reliably prevent the entry of dust into the structure, and to provide a
convenient and economical electrode assembly in which each part can be repaired and replaced
by the manufacturing part-15 alone. Can be provided.
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