Device holder for drums

Claim 1

A device holder comprising: a substantially L-shaped holder base, said holder base comprising a vertical holder portion, a horizontal mounting portion extending from said vertical holder portion at right angles, a transverse mounting groove transversely disposed at said horizontal mounting portion remote from said vertical holder portion for clamping on the counterhoop of a drum, a pivot hole through said vertical holder portion, an axle hole in said vertical holder portion above said pivot hole, a cup-like head raised from said vertical holder portion remote from said horizontal mounting portion, and a through hole at the center of said cup-like head; a pivot fastened to the pivot hole of said vertical holder portion; first fastening means, said first fastening means comprising a screw bolt inserted through the axle hole of said vertical holder portion of said holder base, a wing nut threaded onto said screw bolt to secure said screw bolt to said vertical holder portion, a spring and a washer mounted around said screw bolt and disposed between said vertical holder portion of said holder base and the wing nut of said first fastening means; second fastening means fastened to said cup-like head to hold a link and an instrument on said link, said second fastening means comprising a spring mounted within said cup-like head, a cone fastened to the through hole of said cup-like head to hold down the spring of said second fastening means by an eye-end screw, a washer and a wing nut, said cone comprising a transverse groove and a vertical groove intersected at one side, and a center axle hole at the intersected point between said transverse groove and said vertical groove, said eye-end screw comprising a screw body inserted through the center axle hole of said cone and the center through hole of said cup-like head and screwed up with the wing nut of said second fastening means, and an eye at one end of said screw body forced into engagement with said transverse groove of said cone to hold the link in said vertical groove; and a curved clamping plate turned about said pivot and fixed in place by said first fastening means to clamp with the horizontal mounting portion of said holder base on the counterhoop of the drum.

Claim 2

A device holder comprising: a substantially L-shaped holder base, said holder base comprising a vertical holder portion, a horizontal mounting portion extending from said vertical holder portion at right angles, a transverse mounting groove transversely disposed at said horizontal mounting portion remote from said vertical holder portion for clamping on the counterhoop of a drum, a pivot hole through said vertical holder portion, an axle hole in said vertical holder portion above said pivot hole, a cup-like head raised from said vertical holder portion remote from said horizontal mounting portion, and a through hole at the center of said cup-like head; a pivot fastened to the pivot hole of said vertical holder portion; first fastening means, said first fastening means comprising a screw bolt inserted through the axle hole of said vertical holder portion of said holder base, a wing nut threaded onto said screw bolt to secure said screw bolt to said vertical holder portion, a spring and a washer mounted around said screw bolt and disposed between said vertical holder portion of said holder base and the wing nut of said first fastening means; second fastening means fastened to said cup-like head to hold a link and an instrument on said link, said second fastening means comprising a spring mounted within said cup-like head, a cone fastened to the through hole of said cup-like head to hold down the spring of said second fastening means by an eye-end screw, a washer and a wing nut, said cone comprising a transverse groove and a vertical groove intersected at one side, and a center axle hole at the intersected point between said transverse groove and said vertical groove, said eye-end screw comprising a screw body inserted through the center axle hole of said cone and the center through hole of said cup-like head and screwed up with the wing nut of said second fastening means, and an eye at one end of said screw body forced into engagement with said transverse groove of said cone to hold the link in said vertical groove; and a curved clamping plate turned about said pivot and fixed in place by said first fastening means to clamp with the horizontal mounting portion of said holder base on the counterhoop of the drum.