Dust protection cap with vibration decoupling
AssigneeHilti Aktiengesellschaft
InventorsMaximilian Knyrim, Udo Hauptmann
Life of this patent
Estimating the term…
Abstract
Tool fitting device for a power tool, in particular a chipping hammer, including a holding device for receiving and holding a tool shank, a tool cap, and a dust protection device for preventing the penetration of dust into the tool fitting device. The tool cap includes at least one receiving element and the dust protection device includes at least one protruding element corresponding to the receiving element, such that the tool cap and the dust protection device are able to be connected together in a form-fitting manner. Dust protection device for use in a tool fitting device.
Claims8
A tool fitting device for a power tool, the tool fitting device comprising:
- a holder for receiving and holding a tool shank;
- a tool cap;
- and a dust protector for preventing the penetration of dust into the tool fitting device, the tool cap including at least one receiver and the dust protector including at least one protrusion corresponding to the receiver, such that the tool cap and the dust protector are connectable together in a form-fitting manner;
- wherein the dust protector includes an annular fixing bead and the holder includes a depression corresponding to the fixing bead for axially holding the dust protector on the holder;
- wherein a radial spacing or an axial spacing is provided between the dust protector and the holder, the dust protector always being separated or decoupled from the holder so that no vibration or oscillation is transmitted from the holder to the dust protector.
Dependencies are inferred from the claim text.