Disc tool

US12415247B2 · kind B2 · utility

Assignee

• FESTOOL GMBH · DE

Inventors

• Michael Higelin · Köngen, DE
• Florian Beck · Stühlingen, DE
• Mutasem Rabah · Wendlingen, DE
• Ulrich Kasper · Opfingen, DE
• Stefan Tulodziecki · Hamberg, DE

Key dates

• Filing date: Aug 18, 2022
• Grant date: Sep 16, 2025
• Expiry date: Sep 8, 2043

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B24D9/085
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A disc tool for a processing machine for grinding and/or polishing a workpiece (W); wherein the disc tool (10A, 10B, 10B) has a carrier (20) for attachment to an output (85) of the processing machine (80); wherein a cushion element (40A, 40B, 40C) made of elastic material and a retaining wall element (41A, 41B, 41C, 41D) for retaining the cushion element (40A, 40B, 40C, 61) are arranged on the carrier (20); wherein the retaining wall element (41A, 41B, 41C, 41D) is held on the carrier (20) by means of retaining bolts (35); wherein retaining bolt passage openings (48) of the retaining wall element (41A, 41B, 41C, 41D) extending through retaining mounts (28), of the carrier (20) are accommodated along bolt sections (36) of the retaining bolts (35) extending along the bolt longitudinal axes (BL), and the retaining wall element (41A, 41B, 41C, 41D) is held between bolt heads (37) of the retaining bolts (35) and the carrier (20); and wherein an adhesive layer (50) is arranged on a side of the retaining wall element (41A, 41B, 41C, 41D) opposite the carrier (20), on which adhesive layer a processing means (70) for grinding and/or polishing the workpiece (W) can be releasably attached to …