Saw tool
AssigneeLedermann GmbH & Co. KG
InventorEberhard Heimbrand
Life of this patent
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Abstract
A saw tool, especially a circular saw blade, an endless saw blade, a mill saw blade or the like, with a blade-shaped tool body having detachably connected thereto at least one cutting member with a clamping element between two tensioning surfaces of the tool body. The saw tool is characterized primarily in that for purposes of obtaining the full tensioning and engaging effect of the cutting member and clamping element during a change in position of the clamping and engaging surfaces caused by the clamping deformation, the clamping element includes floating bearing means. The clamping element is an eccentric peripherally having a smaller radius of curvature than corresponding inner surfacing of a recess of an intermediate piece therewith. The intermediate piece for pivotal support at the eccentric is located with play in the recess of the tool body.
Claims6
A saw tool for making a saw cut, the saw tool comprising:
- a tool support with a plurality of recesses distributed in spaced relation with one another along the periphery of the tool support, each recess being defined by a pair of clamping surfaces;
- a cutting blade disposed in each recess between the pair of clamping surfaces;
- an eccentric in each recess, the eccentric having a surface with a first radius of curvature and being rotatable about an axis normal to the radius of curvature;
- an intermediate member disposed in each recess between the eccentric and the cutting blade for holding the cutting blade against one of the clamping surfaces of the recess, said intermediate member being spaced from the bottom of said recess, the intermediate member having a first surface abutting the cutting blade and a second surface abutting the eccentric wherein the second surface has a radius of curvature substantially greater than the radius of curvature of the eccentric thereby establishing line contact between the second surface of the intermediate member and eccentric along a line normal to the line of the saw cut, whereby the intermediate member rocks about the line as the saw tool cuts.
Dependencies are inferred from the claim text.