Patent ID: 6346665
Filing Date: 2002-02-12
Classification: F16M,G10D

Abstract:
A dual adjusting holder for a drum having two sets of adjusting holders fastened to a support for holding percussion instruments thereon, each of the adjusting holders holding a ball member which engages with a strut for supporting the percussion instruments, each of the adjusting holders comprising:a first clamp including a first holding space located inside the first clamp for holding the ball member, a rectangular through opening located at one end thereof for receiving a fastening bolt and a first lug located at another end thereof; and a second clamp including a second holding space located inside the second clamp for holding the ball member, a round through opening located at one end thereof for receiving the fastening bolt, two second lugs located at another end thereof pivotally engageable with the first lug, and a sleeve attached to a lateral side of the second clamp, the sleeve having a stationary clamp arm located at one side thereof and a movable clamp arm located at another side thereof; the stationary clamp arm and the movable clamp arm being pivotally engaged through a third lug and a fourth lug located respectively at one end thereof and fastenable at another end thereof through a fastening screw; and wherein each of the two sets of the adjusting holders is independently movable up and down along the support, one on top of the other, such that the respective ball members of each of the two sets of the adjusting holders will be at different heights along the support.