Tool bit with dust extracting device
AssigneeHilti Aktiengesellschaft
InventorsJózsef SZABÓ, Erik FACSKÓ, Dávid Imre BIHARI
Life of this patent
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Abstract
An apparatus (70) configured to be connected in a rotatably fixed manner to a power tool, including a tool bit (71) including a hollow tool shaft (73) and a cutting ring (77), and a dust extracting device (72) including a suction head (84) and a suction tube (85), and a connecting device (101) configured to connect the dust extracting device (72) to the tool bit (71), wherein in the connected state of the tool bit (71) and the dust extracting device (72), the suction tube (85) is arranged inside of the tool shaft (73).
Claims15
1-14. (canceled)
An apparatus configured to be connected in a rotatably fixed manner to a power tool, the apparatus comprising:
- a tool bit including a hollow tool shaft having a longitudinal axis and a first end and a second end, an endplate connected to the first end, a cutting ring having an inner diameter and being connected to the second end, and a connector configured to be connected to the power tool and having a connector flow cross-section;
- a dust extracting device including a suction head and a suction tube, the suction head having a body part with a through-opening and having a contact face configured to be placed against a workpiece and the suction tube having a length direction, a tube flow cross-section perpendicular to the length direction, a tube first end and a tube second end opposite of the tube first end;
- and
- a further connector configured to connect the dust extracting device to the tool bit, in a connected state of the tool bit and the dust extracting device, the suction tube being arranged inside of the tool shaft.
Dependencies are inferred from the claim text.