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51. 发明授权

US5869780A Tuning pin apparatus having impediment function against the rewinding 失效
标题翻译：调谐针装置具有抵抗倒卷的障碍功能
公开(公告)号：US5869780A
公开(公告)日：1999-02-09
申请号：US892918
申请日：1997-07-15
申请人： Won Ki Lim
发明人： Won Ki Lim
IPC分类号： G10C3/10
CPC分类号： G10C3/106
摘要： A piano tuning pin apparatus for prevention of loosening of the piano string, i.e., of rewinding of a piano tuning pin, characterized by setting the tuning pin constructed additionally a brake structure having the impediment function against the rewinding on the circumference surface of the piano tuning pin and the fixing portion of pin having two putting pipes each other, to prevent loosening of the piano. Between a tuning hammer tip inserting part and a hole of the tuning pin, a brake structure is formed to take a projection having a suitable distance and height along with a circumference surface.
摘要翻译：一种用于防止钢琴松动松弛的钢琴调音针装置，即钢琴调谐销的倒带，其特征在于，将调谐销设置成另外具有阻抗功能的制动结构，以抵抗钢琴调谐器的圆周表面上的倒绕销和销的固定部分具有两个放置管道，以防止钢琴松动。在调谐锤尖插入部分和调谐销的孔之间，形成制动结构以使其具有与圆周表面相适应的距离和高度的突起。

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