Patent ID: 9177536
Filing Date: 2015-11-03
Classification: G10D

Abstract:
1. A string adjustment apparatus, comprising: an outer shell including a housing recess and a recess opening; an adjustment stem member including a stem run through the housing recess and a turning peg located at one end of the stem; a winding shaft member including a shaft, a worm gear portion located at one end of the shaft and a string hole portion located at another end of the shaft remote from the worm gear; and a base corresponding to the outer shell and including a plate corresponding to the recess opening and a first tube extended from the plate towards a direction remote from the outer shell; wherein the worm gear portion is located in the housing recess and coupled with the stem, the shaft running through the first tube to make the plate to cover the recess opening and also make the string hole portion to run through one end of the first tube remote from the plate.