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JPS60242793

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DESCRIPTION JPS60242793
[0001]
FIELD OF THE INVENTION The present invention relates to a speaker applied to general audio
equipment. Configuration of the Conventional Example and the Same Subject Conventionally,
when a speaker is used in a speaker system, the outer peripheral edge portion of the metal frame
is seen through from the front grill (cloth) due to the metallic gloss, and the luxury feeling is lost.
The That is, as shown in FIG. 1, the outer peripheral portion of the edge 2 to which the outer
peripheral portion of the diaphragm 1 is fixed to the inner peripheral portion is supported by a
frame. The part was displaced outward in the radial direction from the outside 1f and edge 1 of
the edge 2. Therefore, in the past, measures were taken such as applying black coating only at
the outer peripheral edge of the frame, or performing black plating, etc., but the cost is high, and
the case where the grille of system frame can not be removed. There was a problem that the high
quality thing like painting was unnecessary. SUMMARY OF THE INVENTION It is an object of the
present invention to solve the above-mentioned conventional drawbacks and to provide an
inexpensive speaker in which the outer peripheral edge portion of the frame is not exposed.
SUMMARY OF THE INVENTION In order to achieve the above object, the loudspeaker of the
present invention comprises a diaphragm, an annular edge having an inner periphery fixed to the
outer periphery of the diaphragm, and a frame for supporting the outer periphery of the edge.
And a bent portion covering an outer peripheral forest stand portion of the frame is extended to
an outer peripheral portion of the edge. j In the present invention, as shown in FIG. 2, the bent
portion 4a fitted to the outer peripheral edge of the frame 11 on the outer peripheral portion of
the edge 4 in which the outer peripheral portion of the diaphragm 3 is fixed to the inner
peripheral portion. And the outer peripheral edge portion of the frame is covered by the bent
portion 4a. Description of Embodiments Hereinafter, an embodiment of the present invention will
be described based on the drawings. FIG. 3 is a cross-sectional view of a loudspeaker according
to an embodiment of the present invention, in which 3 is a diaphragm made of paper or polymer
12-05-2019
1
material in a conical shape, and 4 is made of cloth, rubber or foamed polymer material in an
annular shape. The edge 5 is a frame formed of a thin metal plate, 6 is a plate, 7 is a yoke, 8 is a
magnet, 9 is a voice coil, and 10 is a dust cap. The inner peripheral portion of the edge 4 is
attached to the outer peripheral portion of the diaphragm 3, and the outer peripheral portion of
the edge 4 is a groove-like bent portion 4a fitted to the outer peripheral edge standing portion 5a
of the frame 5. The outer peripheral edge standing portion 5a is covered by the bent portion 4a.
Thus, since the outer peripheral edge portion 5a of the frame 5 is covered by the bent portion 4a
of the edge 4, when the speaker is incorporated into the speaker system, the total bending gloss
of the outer peripheral edge portion 5a of the frame 5) is transparent. I can not see
According to the present invention as described in detail, according to the present invention, it is
possible to cover the outer peripheral edge of the frame with a very simple structure, and the
outer peripheral edge of the frame can be An inexpensive speaker can be provided that can not
be seen through the front grille.
[0002]
Brief description of the drawings
[0003]
FIG. 1 is an explanatory view of a conventional speaker, FIG. 2 is an explanatory view of a
speaker according to the present invention, and FIG. 3 is a sectional view of the speaker
according to an embodiment of the present invention.
3 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 5 · · · · peripheral agent standing
section agent Yoshihiro Morimoto
12-05-2019
2
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