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Pearl Musical Instrument Company

Michihiro Tsuchida

Akito Takegawa

A multi-staged cam assembly comprises a connecting elementsecured to a tip of a stamping pedal; a camof which a front end is secured to the other end of the element, wherein the elementis guided along an outer periphery of the cam; a drive shaftto which a drum beating rodis fixed; and a revolving bodycomprising a bossand a space keeping plate, wherein a holefor the drive shaftis formed in the boss. An elongated holeis formed in the middle of the plate. A boltis inserted in the holeand screwed in a screw holein the front face of the cam, such the camis fixed at a desired position. A length from the center of the holeof the bossto the back end of the camis varied in a multi-staged way according to the fixed position of the boltin the hole

Multi-staged cam assembly for drum pedal

A hoop for securing a drum head to a drum, the hoop having a lower portion configured to mount the hoop to a shell of the drum and a flange formed in the lower portion of the hoop. The flange being configured to receive a tension control device for tuning the drum head. The hoop may also include an upper portion that is above and normal to the flange and an annular upper edge formed on the upper portion of the hoop that is rolled over and bent inward toward an inner peripheral surface of the hoop. The upper portion may be fixed to the inner peripheral surface of the hoop be welding or another method of fixing.

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Tokyo, Japan

Michihiro Tsuchida