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DESCRIPTION JPS56147670

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DESCRIPTION JPS56147670
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view of a conventional
speaker device, FIGS. 2 and 3 are partial cross-sectional views showing a conventional sound
absorbing material attachment means, and FIG. 4 is a cross- FIG. 5A and FIG. 5B are a front view
and a side view showing the shape of a nail-like projecting object, and FIG. 6 is a partial crosssectional view showing a portion showing an embodiment of the nail- FIG. In the figures, the
same reference numerals denote the same or corresponding parts, 3 denotes a cabinet, 5 denotes
a sound absorbing material, and 8 denotes a nail-like convex substance.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a means for
attaching an internal sound absorbing material of a speaker device. Conventionally, there were
those shown in FIG. 1, FIG. 2, and FIG. 3 as means for attaching the sound absorbing material to
the inside of the speaker device. FIG. 1 is a longitudinal sectional view of the speaker device, (1)
is a speaker unit, (2) is a speaker unit, tsna kevinette, (4I is a network, (51 is a sound absorbing
material such as glass wool). = (1), school one! - / - A, / π / ν Figures 2 and 3 show a detailed
cross-sectional view of the sound absorbing material ml, and lel is a stellurle fixing the sound
absorbing material + 51. (7) is a washer made of paper to prevent the staple 61 from striking the
sound absorbing material (5) ○ In such conventional defeating means, the sound absorbing
material (5 is staple (6) In order to press it, the part became thin, the sound absorbing effect was
lost, and there was also the case that the staple (6) penetrated. Furthermore, since the air tacker
hitting the staple (6) is large, it is difficult to work inside the cabinet, and due to discharge of
compressed air. Sound absorbing material (Glass fiber of 51 scattered 0) It also became a cause
of deteriorating work environment. SUMMARY OF THE INVENTION The present invention has
been made in order to eliminate the drawbacks described above, and is intended to easily mount
a sound-absorbing material by holding a sound-absorbing material by a pre-fixed nail-like convex
substance is there. Hereinafter, the present invention will be described in accordance with the
illustrated embodiment. In Fig. 4 and Fig. 5, (8) is a nail-like convex ,,,,, (2) -NK 4 blades (8a) with
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force, and its tip is sharp. Also on the other tip is a cabinet) + 31K It is formed in a spiral shape
like a nail like pyramid or wooden screw to be driven. In this case, the sound absorbing material
(51) is adhered to the cabinet (3) at the corner portion or the spiral portion of the tip of the naillike convex object (8). Then, when a sound absorbing material (51 is pressed from above, sound
absorbing material f 5 + is pressed against blades (8 a) when nail-like protrusions (1 m (sa) of a
blade (8 a) all of 81 sticks to sound absorbing material + Penetrate. At this time, one blade (8a) is
deflected by press-fitting force. Sound absorbing material (After 510 penetration, return to the
original position. And it is said that the sound absorbing material (51 is pressed by the blade (8a)
as the pressing part, the force to return the thickness to the previous thickness, and by placing
several such nail-like convex parts (8) The sound absorbing material + 51 is held. People In the
above embodiment, the case of using four blades of the same thickness is shown, but it may be
two pieces.
It may be in the form of a wire. Also, as shown in Fig. 6, it is possible to push in with a small force
by providing a recess (8d) in the bent portion and assisting deflection (3). As described above,
according to the present invention, since the blades are provided at the tip of the nail-like
projecting object, it can be mounted and held only by pushing the sound absorbing material, so it
is easy to use a tool such as an air tower which does not easily enter a narrow space Work is
possible, glass IjI 1. # Scattering etc can also be prevented. The force 1 also has an advantage
that the holding is certain since the pressing portion (blade) presses the surface of the sound
absorbing material.
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