| 摘要 |
PURPOSE: A method to manufacture a watch wheel, comprising a plate equipped with the sawtooth of a first column and the sawtooth of a second column crossing the plate at right angles, and the watch wheel, manufactured according to the method are provided. The watch wheel is used as a setting wheel to adjust time or date. CONSTITUTION: An adjustment wheel(1) comprises a plate(3) equipped with a first sawtooth column(4) enclosing around and a second sawtooth column(5) crossing the plate(3) at right angles. The second sawtooth column(4) is called the crown sawtooth. The adjustment wheel(1) comprises a hollow(17) of the center, through which a stud attached to the plate is penetrated. |
