Patent ID: 6797870
Filing Date: 2004-09-28
Classification: G10D

Abstract:
A tremolo block device installed to a body of a guitar so as to trill strings by adjusting tension of the strings, the device comprising:an upper support combined to a lower surface of a bridge plate having a plurality of saddles; a lower support hinged with the upper support through a hinge axis; a worm installed through the lower support so as not to be separated from the lower support; a worm gear engaged with the worm and inserted into the hinge axis; and a spring inserted into the hinge to rotate together with the hinge, the spring elastically supporting a lower portion of the upper support; a pair of upper hinge protrusions protruded forward at both sides of the upper support; and a pair of lower hinge protrusions protruded upward and spaced apart at the center of the lower support, wherein the hinge axis is installed through the pair of upper hinge protrusions and the pair of lower hinge protrusions.