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Patent Searching and Data


Title:
KEYBOARD DEVICE AND ELECTRONIC KEYBOARD INSTRUMENT
Document Type and Number:
WIPO Patent Application WO/2017/163962
Kind Code:
A1
Abstract:
Provided is a keyboard device with which it is possible to ensure a greater range of hammer rotation. The keyboard device comprises: keys; connecting parts having a first area that extends in the long direction of the key and that has a recessed part that is recessed in the upward direction, and a second area that is positioned in parallel with the first area and the long direction of the key and that is formed at least partially in an area outside the recessed part, and that is flexible in the yawing direction, the connecting parts being connected between the keys and the frame; and a hammer mechanism having hammers that are activated in response to the keys being pressed down. The keyboard device is characterised in that part of the hammer mechanism is positioned in the recessed part when the key is pressed down.

Inventors:
ICHIKI SHUNSUKE (JP)
Application Number:
PCT/JP2017/009902
Publication Date:
September 28, 2017
Filing Date:
March 13, 2017
Export Citation:
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Assignee:
YAMAHA CORP (JP)
International Classes:
G10B3/12; G10H1/34
Foreign References:
JP2011221560A2011-11-04
JP2001166773A2001-06-22
JP2012189872A2012-10-04
JP2011253040A2011-12-15
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
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