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Title:
KEYBOARD DEVICE FOR ELECTRONIC KEYED INSTRUMENT
Document Type and Number:
Japanese Patent JP3887266
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a keyboard device for an electronic keyed instrument which prevents positional deviation of a hammer without requiring high accuracy of hammer dimensions and attachment and eliminates a need of position adjustment after attachment.
SOLUTION: The keyboard device is provided with a chassis 2, a hammer rail 21 which is provided in the rear part of the chassis 2 and is extended in the horizontal direction, a plurality of freely turnable keyboards 3 provided so as to be arranged on the chassis 2 in the horizontal direction, a plurality of hammers 4 which have capstans 8 abutting the keyboards 3 and are provided for the plurality of keyboards 3 respectively and are freely turnably supported on the hammer rail 21 and are driven to turn through capstans 8 in accordance with key depression of corresponding keyboards 3, and capstan guides 6 which are provided for the plurality of keyboards 3 respectively and each of which has a pair of left and right guide parts 6a and 6b which are extended toward the hammers 4 so as to cover at least a contact part 8b of the capstan 8 where the capstan 8 abuts the keyboard 3.


Inventors:
Akihiro Suzuki
Application Number:
JP2002137401A
Publication Date:
February 28, 2007
Filing Date:
May 13, 2002
Export Citation:
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Assignee:
Kawai Musical Instruments Mfg. Co., Ltd.
International Classes:
G10B3/12; G10H1/34; (IPC1-7): G10H1/34; G10B3/12
Domestic Patent References:
JP5073685U
JP11052957A
Attorney, Agent or Firm:
Tomoo Takahashi