Rolling mill
AssigneeW. Durston Limited
InventorMatthew DURSTON
Life of this patent
Estimating the term…
Abstract
A hand-powered jewellery rolling mill is disclosed. The mill comprises a support frame and a pair of opposed parallel cylindrical rollers rotatably mounted to the support frame. A drive shaft is connected to at least one of the rollers for rotation thereof. A manually rotatable handle is configured for providing a drive force to the drive shaft. The handle may be connected to the drive shaft through a high-ratio gear train. The rolling mill may further comprise an input shaft, rotatable by the manually rotatable handle. The input shaft may have a worm and a worm-to-gear coupling may transfer torque from the input shaft to the drive shaft.
Claims22
A hand-powered jewellery rolling mill, comprising:
- a support frame;
- a pair of opposed parallel cylindrical rollers rotatably mounted to the support frame;
- a drive shaft connected to at least one of the rollers for rotation thereof;
- and
- a manually rotatable handle for providing a drive force to the drive shaft and connected to the drive shaft through a gear train having a ratio of greater than 10 to 1.
A hand-powered jewellery rolling mill comprising:
- a support frame;
- a pair of opposed parallel cylindrical rollers rotatably mounted to the support frame;
- a drive shaft connected to at least one of the rollers for rotation thereof;
- and
- a manually rotatable handle for providing a drive force to the drive shaft;
- further comprising
- an input shaft, rotatable by the manually rotatable handle, the input shaft having a worm and wherein a worm-to-gear coupling transfers torque from the input shaft to the drive shaft.
(canceled)
-28. (canceled)
Dependencies are inferred from the claim text.