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US 12,544,820 B2Granted
Punching tool for mobile use
AssigneeAlfra GmbH
InventorKlaus Pfeifer
Life of this patent
Estimating the term…
Abstract
A punching tool that is capable of being used and modified independently of the shape of an opening to be punched, and is capable of being used for all round, angular and/or special-shaped tool contours. The punching tool generally comprises a cylinder with a fastener and a die having a lead-through for the fastener and a cavity with a stamp that is configured to connect to the fastener such that a spacer bushing is held to the cylinder.
Claims3
A punching tool for mobile use, comprising:
- a cylinder that has a first end and a second end, an adapter with a fastening means attached to said cylinder and configured to connect to a piston of the cylinder, the adapter being at least partially insertable into the cylinder at the first end, the first end of the cylinder having an end face and the cylinder having a lateral surface;
- a die having a lead-through for the fastening means and a cavity, and
- a stamp which is configured to connect to the fastening means,
- a spacer bushing, the spacer bushing having a receiving opening for receiving the adapter and a lead-through for the fastening means;
- wherein the spacer bushing is held to the cylinder by a first magnetic means;
- wherein the first magnetic means are arranged in the end face or on the lateral surface of the cylinder,
- wherein the die is held on the spacer bushing by second magnetic means,
- wherein the second magnetic means are arranged in an end face or on a lateral surface of the spacer bushing.
5 more elements
Dependencies are inferred from the claim text.