Patent ID: 7541531

Claim:
An adjustable pivot arm for a bass drum pedal of the type having a driveshaft mounted on a frame for rotation in a positive direction from a rest position to an impact position on a longitudinal axis of the driveshaft, and a spring return assembly connected between the frame and the driveshaft to bias the driveshaft in a negative direction from the impact position towards the rest position, said spring return assembly including a spring with first and second ears at opposing ends, the first ear connected to the frame and the second ear connected to the driveshaft, comprising: a hub mounted on said driveshaft for rotation therewith; and adjustable retention means connected to the hub for retaining the second ear of the spring of the spring return assembly; said adjustable retention means including means for selectively adjusting the location of the second ear along a radial line orthogonal to the driveshaft longitudinal axis.