| 摘要 |
PURPOSE: A chord helper is provided to improve freedom of an inner layout through connecting pushing members of string to one or more chord buttons. CONSTITUTION: A chord helper(2) is formed by a container(3) with a keyboard(31) having plural insertion holes and a rear guide plate having plural guide holes; plural button rods(4) for being inserted to the keyboard while having chord buttons(41) having chord names; plural pushing rods inserted to the guide plate through the guide holes for pushing strings; plural operation arms having end portions combined to the button rods for pushing the pushing rods corresponding to the chords; and plural springs installed around the pushing rods in the container for returning the pushing rods and the button rods according to replacing pushing force of the chord buttons.
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