Husqvarna Ab

Hakan Pinzani

Ove Donnerdal

Mari Albinsson

A tool unit for a cutting or sawing machine with a tool carrier, including a first tool and a second tool. The first and second tool include a disk shaped cutting blade and a blade driving member. The first tool is secured to the second tool by means of a central clamping unit. Each blade driving member has a an aperture for attaching the first and second blade driving member together using the central clamping unit. The at least one disk shaped cutting blade has an at least partly recessed portion, adjacent to the aperture. The recessed portion is provided for attaching the disk shaped cutting blade to the corresponding blade driving member by holding the recessed portion axially between a main part and a blade supporting part of the corresponding blade driving member, ensuring an essentially flat outer extension plane of each tool.

Tool unit and tool for a cutting or sawing machine

A cutting or sawing machine () comprising a machine body (), at least one disc shaped, rotatable tool (), an elongated tool carrier () having the substantial shape of a flat bar having a front end and a rear end, two opposite broad sides and two opposite edge sides, said rear end being connected to the machine body. The tool carrier comprises at least two elongated side walls (), a first elongated side wall () on one broad side of the tool carrier, a second elongated side wall () on the opposite broad side, said first and second side walls being essentially parallel with each other, and the front part of either one of the side walls or of a possible central elongated member () between the first and second side walls is provided with a bearing hole () intended to carry a bearing of sliding contact type or of rolling contact type, i.e. a rolling bearing, and the two side walls and the possible central member being connected to each other at a plurality of sites, and each side wall () has a length adapted to essentially cover at least the gap between the machine body () and the perimeter of its associated disc shaped tool (), i.e. the tool located on the same side of the tool carrier, so that from each broad side the side wall () and the associated disc shaped tool together cover the power transmission to increase safety and reliability.

Growing community of inventors

Gothenburg, Sweden

Hakan Pinzani