Title:
KEYBOARD DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/169080
Kind Code:
A1
Abstract:
This keyboard device comprises: a frame; keys that each rotate about a key fulcrum with respect to the frame; a first guide that includes a first frame guide connected to the frame and includes a first key guide connected to the keys so as to grip the first frame guide; and a second guide that includes a second key guide connected to the keys and includes a second frame guide connected to the frame so as to grip the second key guide and that is provided below the first guide; and a third guide that regulates, at a position behind the first and second guides, movement of the keys in the scale direction, wherein the three positions of the key fulcrum, the first guide, and the second guide, or the three positions of the first, second, and third guides are provided so as not to be aligned in a straight line when viewed from a first direction in which the keys are adjacent to each other.
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Inventors:
ICHIKI SHUNSUKE (JP)
Application Number:
PCT/JP2018/010609
Publication Date:
September 20, 2018
Filing Date:
March 16, 2018
Export Citation:
Assignee:
YAMAHA CORP (JP)
International Classes:
G10B3/12; G10C3/12; G10H1/34
Foreign References:
| JP2009236943A | 2009-10-15 | |||
| JPS429908Y1 | 1967-05-30 | |||
| JPS52154230U | 1977-11-22 |
Attorney, Agent or Firm:
TACHIBANA, Kenji et al. (JP)
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