Easily adjustable assistant pedal system for keyboard musical instrument
AssigneeYamaha Corporation
InventorToshifumi Sato
Life of this patent
Estimating the term…
Abstract
An assistant pedal system is used for assisting a child in playing a piano, and includes a frame structure, an assistant pedal mechanisms movably supported by the frame structure; the assistant pedal mechanism has assistant pedals on a plate serving as a foot rest, and pushers are provided for depressing pedals of the piano; the assistant pedals are connected through flexible cables to the pushers so that the flexible cables automatically change the routes between the assistant pedals and the pushers depending upon the distance between the frame structure and the assistant pedal mechanism; the flexible cables make the preparatory work before the performance easy.
Claims16
An assistant pedal system for transmitting a force to at least one pedal of a keyboard musical instrument, comprising:
- a foundation having a major surface;
- an assistant pedal mechanism having at least one assistant pedal moved between a rest position and an end position;
- a position adjuster connected at one end thereof to said foundation and at the other end thereof to said assistant pedal mechanism, and actuated to vary a distance between said one end and said other end;
- and
- a flexible force transmitter connected at one end thereof to said at least one assistant pedal, transmitting a force exerted on said at least one assistant pedal to said at lest one pedal of said keyboard musical instrument for moving said at least one pedal from a rest position, and automatically changing a route thereof between said at least one assistant pedal and said at least one pedal depending upon the distance between said foundation and said assistant pedal mechanism.
Dependencies are inferred from the claim text.