| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a spring working structure for drum pedal which can smoothly turn a beater turning shaft and facilitates detachment of a spring working member. SOLUTION: With respect to a drum pedal where a beater turning shaft 94 is freely turnably held in the upper part of a pole brace 92 and a spring S is stretched between a cam member 10 attached to one end of the beater turning shaft 94 and the lower part of the pole brace 92, a bearing 15 is projected on the outside of the cam member 10, and a spring stretching member 20 which has a spring working part 21 to hook the spring S in the lower part and has a window part 25 larger than the outside periphery of the bearing 15 in the upper part and has an engaging groove part 26 to be engaged with the upper part of the bearing 15 in the upper edge of the window part 25 is freely detachably attached to the bearing 15.</p> |
