|4308605||Balance wheel assembly|
A balance wheel assembly for clock works, and the like, the assembly including a base plate, lower and upper pivot blocks mounted on the base plate, the pivot blocks having opposed conical recesses therein, a vertical shaft pointed at either end disposed ...
|3991556||Clock or watch movement|
A clock or watch movement has a spindle assembly which includes an escape wheel, a pinion and a common spindle. The escape wheel is driven by a balance wheel and a driven wheel of the movement meshes with the pinion. The ends of the spindle are journalled...
|3934406||Balance wheel assembly and method for manufacture thereof|
A balance wheel assembly includes a balance staff having a balance wheel hub, a saddle, a shoulder, a cylindrical portion to which the balance spring is attached, and a lower stem extending through a flange. The saddle and cylindrical portion are on the s...