Title:
ホーン装置
Document Type and Number:
Japanese Patent JP7240730
Kind Code:
B2
Abstract:
To provide a horn device capable of preventing dust from entering through a discharge hole and draining water from the discharge hole.SOLUTION: A horn device 1 includes: a sound source unit 2 which generates sound; a sound emission unit 3 which emits sound generated by the sound source unit 2; and a cover portion 4 which is connected to a base end of the sound emission unit 3 which covers the sound source unit 2. The cover portion 4 includes: a discharge hole 412a for discharging water which enters inside to outside; and a lid portion 43 for closing the discharge hole 412a. The lid portion 43 includes: a first lid portion 431 which can close the discharge hole 412a outside the cover portion 4; a second lid portion 432 which can close the discharge hole 412a inside the cover portion 4; and a shaft portion 433 connecting the first lid portion 431 and the second lid portion 432 and inserted into the discharge hole 412a. And the shaft portion 433 is thinner than the hole diameter of the discharge hole 412a and longer than the hole depth of the discharge hole 412a.SELECTED DRAWING: Figure 3
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Inventors:
Shigematsu
Application Number:
JP2019237841A
Publication Date:
March 16, 2023
Filing Date:
December 27, 2019
Export Citation:
Assignee:
Nikko Co., Ltd.
International Classes:
G10K9/15
Domestic Patent References:
| JP57011599U | ||||
| JP10229958A | ||||
| JP52155478U | ||||
| JP6043878A |
Attorney, Agent or Firm:
Patent Attorney Corporation Junias International Patent Office
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