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JPS563168

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DESCRIPTION JPS563168
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a conventional lead wire
drawing apparatus, FIG. 2 is a cross-sectional side view of one embodiment of the lead wire
drawing apparatus of the present invention, and FIG. FIG. 4 is a perspective view of the relevant
part. 7 · · · Cabinet, 8 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · lead 13,..., Protuberances 14,..., Engaging grooves,
15 ... lead wires, 16 ... lids.
The present invention relates to an antenna lead wire and other lead wire extraction apparatus
for a wireless microphone, wherein the lead wire can be reliably pulled out with a simple
configuration, and the lead wire can be easily wound for inconvenience. An object of the present
invention is to provide an excellent lead wire extraction device which can be stored. Generally, in
a wireless microphone, a lead wire drawing device for drawing an I .. lead wire for an antenna is
often configured as shown in FIG. That is, in FIG. 1, 1 is a chassis housed in a cabinet not shown,
2 is a ridge formed at the end of chassis 1, 3 is a notch for lead wire extraction formed in ridge 2,
4 Is a lead wire for the antenna, 6 is a lead wire storage portion for storing the lead wire for the
antenna when not in use, 6 is a pipe-like lid fitted to the sharn 1 and coupled to the cabinet (not
shown) It is. By the way, in the lead wire drawing device configured in this way, after inserting
the lead @ 4 into the notch 3, the lead @ 4 may be pulled out from the notch 3 when the lid 6 is
fitted to the yarn 1. Even when the lead wire 4 is stored in the lead wire storage portion 6 when
not in use, a part of the lead @ 4 protrudes from the storage portion 6 and the fitting of the lid 6
becomes very troublesome, which is not preferable. . The present invention eliminates the
conventional drawbacks as described below, and provides an excellent lead wire extraction
device with a simple configuration. The lead wire drawing apparatus of the present invention will
be described with reference to the drawings of one embodiment. In FIGS. 2 to 4, 7 is a cabinet
constituting the microphone body, 8 is a chassis housed and fixed in the cabinet 7, 9 is a sound
absorption net mounted on one end of the cabinet 7, 1o is an end of the sharn 8 A cylindrical
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lead wire winding body integrally formed on one side, a collar portion 11 integrally formed on an
end portion of the lead wire winding body 10, and a lead wire lead-out 12 formed on an outer
peripheral portion of the collar portion 11 Notch 13, a protrusion formed integrally on the outer
periphery of the lead wire winding body 10 in proximity to the hook 11, 14 an engagement
groove for holding a lead wire formed on the protrusion 13 facing the notch 12 The reference
numeral 16 denotes a lead wire for an antenna, and the reference numeral 16 denotes a pipe-like
lid which is fitted to the sleeve 8 and screwed into a screw groove 17 formed on the central outer
peripheral portion of the 7 yarns 8. In the embodiment described above, when the lead @ 16 is
wound around the lead wire winding body 10, the end thereof is press-fit between the ridge
portion 11 and the projection 13 as shown in FIG. The fraying of the rake wire 16 can be
completely prevented, and the fitting of the lid 16 can be performed extremely smoothly.
Further, in the above embodiment, when the lead wire 16 is drawn out, as shown in FIG. 4, the
lead wire 15 is inserted into the notch 12 formed in the collar portion 11, and further engaged
with the holding groove 14 formed in the projection 13. As it is fitted, the lead @ 16 is not moved
in both directions, so that the lead wire 16 can be pulled out of the notch 12 and becomes a
hindrance when the lid 16 is fitted. There is nothing at all and it is extremely advantageous in
practical use. The present invention can provide an excellent IJ-wire extraction apparatus with a
simple configuration as is apparent from the above embodiment, and is extremely advantageous
in practice. In the embodiment, the case of drawing out the lead wire for the antenna of the
wireless microphone has been described, but it can be similarly used for a drawing device of
various kinds of lead wire of a radio receiver, a tape recorder and other devices.
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