Patent ID: 7795520

Claim:
A pedal system for a percussion instrument, comprising: a support element, having a pedal, at least one upright frame and a positioning unit, the pedal being swayable between a release position and a percussion position, an axle being rotatably disposed on the upright frame; a connecting shank, disposed on the axle in a rotational operative relationship; a transmission element, connecting the pedal with the connecting shank, the connecting shank along with the axle being rotatable as the pedal pivoting between the release position and the percussion position; and a returning element, comprising a connecting body, a resilient member, a linkage member, an axial pin and a rod member, the connecting body being disposed on the axle in a rotational operative relationship, the resilient member having a first end and a second end, the first end of the resilient member being connected to the connecting body, the linkage member connecting the second end of the resilient member with the rod member, the rod member being height-adjustably disposed on the positioning unit, the axial pin being disposed between the linkage member and the rod member so that the linkage member being rotatable with respect to the rod member about the axial pin, the axial pin being movable at least between a first position and a second position so that a distance between the axial pin and the second end of the resilient member being adjustable.