Device for connecting a tool to a drive
AssigneeAdolf Wuerth GmbH & Co. KG
InventorsKarl Lieser, Andreas Dierolf, Frank Kollmar
Life of this patent
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Abstract
A device for connecting a tool to a mechanical drive contains as the coupling element a spring washer coupling or clutch, which is made in one piece from metal and at least in the rotation direction has a limited resilience. Use is made thereof for preventing torque peaks in the case of a sudden deceleration of the tool, e.g. if a screw strikes a wood surface.
Claims11
Connecting element for connecting a tool to a mechanical rotary drive, having a drive element connected to the rotary drive, a driven element connected to a tool receptacle, a coupling element, which in the vicinity of its one end is in rotary engagement with the drive element and in the vicinity of its other end is in rotary engagement with the driven element and in its central area connecting the two engagement ends it has a spring washer coupling or is constructed as a spring washer coupling.
Dependencies are inferred from the claim text.