Patent ID: 7534946
Filing Date: 2009-05-19
Classification: G10D

Abstract:
1. A musical instrument string winder for engaging a musical instrument key for tightening or loosening a musical instrument string, said musical instrument string winder comprising: (a) an operator gripping housing having first and second end portions, an integrally formed operator handle portion on one end portion, and a relatively large ring gear at the perimeter with a center bore on the second end portion, said ring gear having a predetermined diameter; (b) a socket gear having first and second end portions, a socket for engaging a musical instrument key on one end portion and an integrally formed planet gear on the other end portion, said planet gear having a predetermined diameter and suitable structure to mate in conforming manner with said ring gear; (c) a connecting element having first and second end portions, an integrally formed coupling on the first end portion to rotatably mount on said center bore and an integrally formed coupling on the second end portion that mates with said planet gear allowing axial rotation of said planet gear as well as orbital movement around said ring gear, whereby the musical instrument string winder can produce a greater number of rotations of the musical instrument key in accord to each single operator cycle of said handle.