Title:
自動演奏装置の取り付け用加工装置
Document Type and Number:
Japanese Patent JP4013251
Kind Code:
B2
Abstract:
Upon request for retrofitting, workers bring a gadget and a marking tool and other tools to the user's home; the workers attach the marking tool to a keyboard, mark locators on a key bed by using the marking tool, form locating recesses therein, and bore reference seal holes by using a template, counter holes of which are aligned with the locating recesses; subsequently, the workers relate the gadget with the reference seal holes, bore through-holes in the key bed at target spots exactly below the black and white keys under the guide of the reference seal holes, and assemble a key drive unit with the key bed so that plungers pass through the through-holes; since the reference seal holes have been related with the keyboard, the gadget sequentially positions a drill at the target spots also related to the keyboard.
Inventors:
Shigeru Muramatsu
Application Number:
JP2003044293A
Publication Date:
November 28, 2007
Filing Date:
February 21, 2003
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
G10F1/02; G10C9/00; G10H1/00
Domestic Patent References:
| JP5224664A | ||||
| JP9062253A | ||||
| JP9114450A | ||||
| JP9258723A | ||||
| JP61136709A |
Attorney, Agent or Firm:
Another role Shigehisa
Satoshi Muramatsu
Natsuki Goto
Hiroshi Ikeda
Hiroyasu Ninomiya
Satoshi Muramatsu
Natsuki Goto
Hiroshi Ikeda
Hiroyasu Ninomiya