Patent ID: 8481835

Claim:
A foot pedal folding structure for a foot pedal swiveling against a stand of a musical instrument, comprising: a swivel shaft including a circular pin, a first non-circular pin and a second non-circular pin, the circular pin being formed at a diameter no greater than the smallest diameter of the first non-circular pin and the second non-circular pin, wherein the circular pin is located between the first non-circular pin and the second non-circular pin; a pedal rack for holding the foot pedal, the pedal rack including a first boss and a second boss, the first boss and the second boss respectively including a first holding aperture and a second holding aperture to allow the first and second non-circular pins to pass through and be latched therein without turning; and a rack sleeve for holding the stand, the rack sleeve including a rotary boss located between the first boss and the second boss, the rotary boss being formed at a thickness no greater than the length of the circular pin and including a rotary hole to allow the circular pin to swivel therein and latch the second non-circular pin from turning, the swivel shaft passing through the first holding aperture, the second holding aperture and the rotary hole in a slidable manner and including a latch position in which the second non-circular pin straddles the second holding aperture and the rotary hole and a swivel position in which the circular pin fully passes through the rotary hole.