String adjustment apparatus
AssigneePing Well Industrial Co., Ltd.
InventorTsung-Min Chang
Life of this patent
Estimating the term…
Abstract
A string adjustment apparatus includes an outer shell, an adjustment stem member, a winding shaft member and a base. The outer shell includes a housing recess and a recess opening. The adjustment stem member includes a stem and a turning peg. The winding shaft member includes a shaft, a worm gear portion and a string hole portion. The base includes a plate corresponding to the recess opening and a first tube extended from the plate towards a direction remote from the outer shell. The worm gear portion and the stem are located in the housing recess and coupled with each other. The shaft runs through the first tube to make the string hole portion to pass through the first tube and also make the plate to cover the recess opening. Thus, a simpler structure is formed to make assembly easier.
Claims6
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.
Dependencies are inferred from the claim text.