Bass drum pedal with eccentricity-adjustable cam system

Details Bass drum pedal with eccentricity-adjustable cam system Bass drum pedal with eccentricity-adjustable cam system

2005-06-07

2005-06-07

Hsieh, Shih-Yung (Department: 2837)

Music

Instruments

Drum and cymbal beaters

C084S422200

Reexamination Certificate

active

06903257

ABSTRACT:
An enhanced bass drum pedal is provided with an eccentricity-adjustable cam system comprising a cam core mounted on a rotating shaft, a cam member rotatably connected to the cam core by a first pin, a positioning member rotatably connected to the cam member by a second pin, and a set screw. The positioning member is fastened onto the cam core by the set screw at a selected position of the positioning member to adjust the eccentricity of the cam system relative to the axis of rotation. As a result, a user can readily alter the impact force acted on a drum head and the restoring force applied to the foot board thereby tuning the bass drum pedal to suit the user's playing style and ability.

REFERENCES:
patent: 5540131 (1996-07-01), Shigenaga
patent: 5714701 (1998-02-01), Hsieh
patent: 6172291 (2001-01-01), Takegawa
patent: 6222108 (2001-04-01), Liao

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