Pedal device for musical instrument

摘要

A cam assembly includes a wheel member fixed to a shaft and a cam member removably attached to the wheel member. By attaching the cam member to the wheel member while arranging the cam member in a first orientation, a first cam shape is given to the cam assembly. Moreover, by attaching the cam member to the wheel member while vertically inverting the cam member to set the cam member in a second orientation, a second cam shape different from the first cam shape is given to the cam assembly.

主权项

1. A pedal device for a musical instrument, wherein the musical instrument is played by performing a stepping-on operation on a footboard, the device comprising a base, a shaft supported rotationally with respect to the base, a cam fixed to the shaft, and a connecting member for connecting the footboard and the cam, wherein the device is configured such that, when the footboard is stepped on, the cam and the shaft are rotated by the connecting member, and wherein
the cam is composed of a cam assembly provided with a wheel member fixed to the shaft and a cam member removably attached to the wheel member and having a cam surface, by attaching the cam member to the wheel member with the orientation of the cam member set in a first orientation, a first cam shape is given to the cam assembly, and by attaching the cam member to the wheel member with the orientation of the cam member set in a second orientation, which is different from the first orientation, a second cam shape, which is different from the first cam shape, is given to the cam assembly.