Tool holder assembly for a portable power tool

• Main Author: KNOLL; FRITZ
• Format: Patent
• Language: English
• Published: 22.09.1981
• Subjects: BROACHING; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; COMPONENTS OR ACCESSORIES THEREFOR; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; FILING; GRINDING; HAND TOOLS; HANDLES FOR HAND IMPLEMENTS; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; MANIPULATORS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; NAILING OR STAPLING MACHINES IN GENERAL; PERFORMING OPERATIONS; PLANING; POLISHING; PORTABLE POWER-DRIVEN TOOLS; SAWING; SAWS FOR WOOD OR SIMILAR MATERIAL; SCRAPING; SHEARING; SLOTTING; TRANSPORTING; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL

A toolholder assembly incorporated in a portable power tool having a housing and a drive disposed therein. The assembly includes a toolholder body, a first releasable securing arrangement for attaching the toolholder body to the drive for oscillating the toolholder body in a longitudinal direction; a second releasable securing arrangement at the front end of the toolholder body for attaching a tool bit to the toolholder body, longitudinal guide faces provided on the toolholder body between the two releasable securing arrangements and a bearing member mounted in the housing and provided with longitudinal counterguide faces which slidably cooperate with the longitudinal guide faces of the toolholder body for taking up forces transverse to the direction of the longitudinal oscillation of the toolholder body.