Adjusting device on length--and inclination adjustable supports, in particular for percussion musical instruments

A device for adjusting length and inclination of a support for a percussion musical instrument, said adjusting device comprising:

• two articulated balls formed each of a plurality of sector members having wall faces defining a central opening for receiving an adjusting rod-shaped member;
• two clamping jaw units formed each of inner and outer clamping jaws provided at respective free ends thereof with housings each of which is formed integrally with a respective one of the inner and outer clamping jaws of a respective clamping jaw unit, with two housings of each clamping jaw unit forming together a socket for receiving and retaining a respective one of the two articulated balls;
• a central column for supporting the two clamping jaw units which are arranged symmetrically thereon;
• two threaded bolts each for retaining the inner and outer clamping jaws of a respective one of the two clamping jaw units and arranged between a respective articulated ball and the central column adjacent to the respective articulated ball;
• and
• means for eccentrically adjusting the clamping jaws of each of the clamping jaw units for releasably securing a respective clamping jaw unit in both length and inclination adjustment positions of the adjusting member;
• wherein ones of the inner and outer clamping jaws of the two clamping jaw units are adjustably secured to the central supporting column, and
• wherein the adjusting device further comprises two supporting members for adjustably securing the ones of the inner and outer clamping jaws directly to the central supporting column, respectively.