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DESCRIPTION JPS56163389

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DESCRIPTION JPS56163389
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an outline of the
embodiment of the present invention, FIG. 2 is a sectional view taken along the line A - A in FIG. 1
showing essential parts of the present invention, 1 is a cross-sectional view taken along the line B
- B of FIG. 1 showing the main part of the invention. 2 ... speaker frame, 2a ... hole, 2b ... contact
surface, 2c ... protruding part, 6 ... baffle plate , 7 иииии screw.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a speaker frame.
Conventionally, when attaching the speaker frame to the baffle plate, a backing such as rubber or
urethane (1) butter 5q was sandwiched between the frame and Tohatsu full plate in order to
prevent air leakage. It is an object of the present invention to provide a speaker frame with
reduced cost by simplifying the structure and assembling work, without reducing the number of
parts, without using a separate member backing to prevent air leakage as described above . 2, $
1 diagram shows the entire speaker unit 1 according to the drawings, the speaker frame 2 Kli,
the magnet 3. A yoke 4 and the like, and a speaker diaphragm 5 are attached. In the speaker
frame 2, a plurality of holes 2a through which screws 7 for fixing the speaker frame 2 for baffle
plate sic are inserted are concentrically arranged, and a speaker On the rear busy of the frame 2,
a portion extending over the entire circumference of the concentric circle of the speaker frame 2
connecting the centers of the R2 m and a portion extending over the entire circumference
concentric with the hole 2 a in each of the holes 2 a 1, 2 And a protruding portion 2 c of a barrel
cross section as shown in FIG. 3, as shown in FIG. 3, are integrally formed. Therefore, when the
speaker unit 1 of (2) is screwed to the baffle plate 6 with the screw 7, the protruding portion 2 c
bite into the baffle plate 6 K and the abutting surface 2 b of the frame and the baffle 1! i 6 are in
close contact with each other around the entire circumference, and air leakage does not occur at
the protrusion 2 c of the hole 2 a of the screw hole 2 a. Although the projecting portion 2C of the
present invention is barrel-shaped in cross section, it can be arbitrarily changed to a semicircular
shape or other shape as long as it can be bite into the baffle M6, and the position of the
15-09-2018
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projecting portion 2c worn In the present embodiment, the bones are arranged on a concentric
circle passing through the center of the hole 2a, but it is not necessarily limited to this, but odor
due to the shape of the frame 2 or the reason for w shape, etc., the baffle plate 6 on the abutting
surface 2b. Further, in the present embodiment, the protruding portion 2 c is formed as the back
surface of the speaker frame 2. However, in the case where the baffle plate 6 is pressed or the
like on the front surface, the protruding portion 2 c may be formed on the front surface of the
protruding portion 2 c. As described above, the present invention is such that the protruding
portion is formed by stacking substantially all around the abutting surface with the baffle plate,
so that when the speaker frame is attached to the baffle plate, the projecting portion Can bite
into the buckle plate and prevent the air bottle between the baffle plate and the speaker frame
without pinching the backing or the like between the baffle plate and the speaker frame and only
the headquarters item number - /) tA ) -) p <Easy to assemble and reduce cost can be achieved
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