Patent ID: 7484701

Claim:
A suspension device comprising a mounting portion comprising a body having an upper end; a lower end; a front surface; a rear surface; a cross section; a stationary hook being formed on and protruding from the upper end of the body and having a free end extending downward toward and parallel to the rear surface; a slot being defined longitudinally through the body and having a front side; and a top end; and a cover being semicircular in cross section and being formed on the front surface of the body along the slot and covering the front side of the slot; a movable hook assembly being movably mounted on the body, having a movable hook being formed on and protruding from the movable hook assembly and having a free end extending upward and facing to the free end of the stationary hook; a mounting hole corresponding to and being slightly larger than the cross section of the body for holding the body inside and having a side surface being defined in the mounting hole and abutting the front surface of the body to ensure the movable hook assembly to move straightly along the body, wherein the cover is slidably received in the mounting hole; and a spring element being mounted in the slot of the body and having a first end and a second end; and two fasteners, one of the fasteners connected to and fixing the first end of the spring element onto the body near the top end of the slot, the other one of the fasteners connected to and fixing the second end of the spring element onto the movable hook assembly, wherein the spring element allows the movable hook assembly to adjust along the body while maintaining connected to the mounting portion; and a holder connected to the front surface of mounting portion to hold a musical instrument in position.