PUSH-BUTTON SWITCH HAVING SOUND FUNCTION

Title:

PUSH-BUTTON SWITCH HAVING SOUND FUNCTION

Document Type and Number:

WIPO Patent Application WO/2019/189663

Kind Code:

A1

Abstract:

To easily configure so that generation of an operation sound and opening/closing of a contact occur at the same time or substantially the same time, without increasing manufacturing costs. A push-button switch 1 having a sound function, wherein a button 11 accepts a pushing operation. A second plunger 13 slides in coordination with the pushing operation on the button 11. A torsion coil spring 14 stores or releases elastic energy together with sliding of the second plunger 13. A sounding unit 15 slides using elastic energy released by the torsion coil spring 14 at the same time as the torsion coil spring 14 elastically deforms, and the sounding unit 15 generates an impact sound by impacting an impact piece 181. A movable contact piece 16 has a movable-side contact Pm and is capable of moving due to being pushed by the sliding sounding unit 15. A fixed contact piece 17 has a fixed side contact Pf, the movable-side contact Pm being engaged with the fixed-side contact Pf at the same time or substantially the same time as the sounding unit 15 impacts the impact piece 181.

Inventors:

BETSUDA NOBUHIKO (JP)
AOYAMA MASAHIRO (JP)
OKANO YOTARO (JP)

Application Number:

PCT/JP2019/013795

Publication Date:

October 03, 2019

Filing Date:

March 28, 2019

Export Citation:

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Assignee:

NKK SWITCHES CO LTD (JP)

International Classes:

H01H13/02; H01H9/16

Domestic Patent References:

WO2017028702A1

2017-02-23

Foreign References:

JP4384778B2	2009-12-16
JP2006049178A	2006-02-16
JP4384778B2	2009-12-16

Other References: