US 2025/0178062 A1 · MODULAR ATTACHMENTS FOR A PLANISHING HAMMER

Abstract

The present invention introduces a system of modular attachments for planishing hammers and pistol-style air hammer/chisels, significantly enhancing their functionality and versatility in metalworking applications. The modular system includes three specialized attachments: the stepper, for creating precise stepped profiles; the flanger, for forming reinforced edges and flanges; and the shrinker/stretcher, for shaping complex curves through controlled shrinking and stretching. Each attachment integrates seamlessly with the tools via an attachment interface, designed for secure installation, rapid replacement, and ergonomic adaptability. The attachments can be used individually or in combination, offering precision and efficiency for tasks in automotive restoration, aerospace fabrication, artistic metalworking, and more. The invention also includes an innovative interface for use with handheld planishing hammers or air-powered chisels, enabling portable and powerful performance. By expanding the range of operations achievable with a single tool, this invention provides a versatile, efficient, and precise solution for modern metalworking.

Claims20

Dependent claims

A modular attachment system for use with a planishing hammer or air-powered chisel, comprising:

an attachment interface configured to securely connect modular attachments to the planishing hammer or air-powered chisel;
a stepper attachment configured to create stepped profiles in sheet metal, the stepper attachment including a ridged die configured to deform sheet metal into stepped profiles, an adjustable edge depth guide to control the depth of the stepped profiles, and a housing configured to support and align the stepper attachment during operation;
a flanger attachment configured to form flanges in sheet metal, the flanger attachment including curved dies of varying radii to create flanges of different sizes and angles, a rotary guide rail mechanism to guide the sheet metal during the flanging process, and an adjustable angle mechanism for controlling the angle of the flanges;
and
a shrinker/stretcher attachment configured to modify the surface area of sheet metal, the shrinker/stretcher attachment including interchangeable dies configured to shrink or stretch the sheet metal, a quick-swap mechanism for replacing the dies between shrinking and stretching configurations, and a support assembly comprising a housing plate and retaining components to secure the dies during operation.

2 more elements

Dependencies are inferred from the claim text.

Modular attachments for a planishing hammer

Life of this patent

Modular attachments for a planishing hammer

Life of this patent

Abstract

Claims20