Title: Static resistance regulator for keyboard of upright piano
Application Number: 200420108746 Application Date: 2004.11.10
Publication Number: 000000000 Publication Date:
Approval Pub. Date: 2006.05.03 Granted Pub. Date: 2006.05.03
International Classifi-cation: G10C3/12
Applicant(s) Name: Lin Jianzhong Address:
Inventor(s) Name: Lin Jianzhong
Attorney & Agent:
Abstract:
    This utility model a static resistance regulator for keyboard of upright piano adjusts the static resistance of the keyboard through adjusting the keyboard weight. It includes the keyboard, a counterweight box, a counterweight box sliding bar, more than 3 simultaneous guideway limited slot s, a counterweight box simultaneous deflector rod, an adjusting shaft, a static resistance adjusting lock and a transmission chain. Wherein, the keyboard is fixedly equipped with the counterweight box sliding bar, and the counterweight box sliding bar is equipped with the counterweight box. The transmission chain is driven by the static resistance adjusting lock via the adjusting shaft. The adjusting shaft is equipped with a transmitting wheel connected with the limited slot, and upper the limited slot is equipped with the deflector rod. The counterweight box shifting block equipped on the counterweight box locates in the deflector rod. And the counterweight box is provided with a limited device. The adjusting device has simple structure and easy manipulation; and it assures the keyboard weight uniform. It is convenient for the players to adjust the static resistance that adapts the upright piano keyboard.
Time: 11
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