Title:
KEYBOARD DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/082247
Kind Code:
A1
Abstract:
Provided is a keyboard device comprising: a key which is rotatable through a predetermined stroke; a support assembly which includes a support rail extending in one direction, a support of which one side is rotatably supported on the support rail by means of a support member, and a jack of which one side is rotatably supported on the support, the support assembly being rotated as the key is pressed; a hammer unit of which one side is rotatably supported on a shank rail and which rotates as a result of the action of the jack as the key is pressed; and a hammer shank stopper which regulates rotation of the hammer unit, wherein the support rail supports a plurality of support assemblies arranged in one direction, and the hammer shank stopper is integrally provided with respect to a plurality of hammer units.
Inventors:
YAGUCHI NARIYASU (JP)
SATO TSUYOSHI (JP)
SATO TSUYOSHI (JP)
Application Number:
PCT/JP2016/083101
Publication Date:
May 18, 2017
Filing Date:
November 08, 2016
Export Citation:
Assignee:
YAMAHA CORP (JP)
International Classes:
G10C3/18; G10H1/34
Foreign References:
| JPH07152366A | 1995-06-16 | |||
| JPH02119695U | 1990-09-26 | |||
| JPH0764540A | 1995-03-10 | |||
| JPH07152365A | 1995-06-16 | |||
| JPH07234668A | 1995-09-05 | |||
| US5483861A | 1996-01-16 |
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
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