Tool and method for cleaning a drilled hole
AssigneeHilti Aktiengesellschaft
InventorHerbert Ginter
Life of this patent
Estimating the term…
Abstract
A tool (10) for cleaning a drilled hole (12), including a tool shank (14) that, relative to the shank axis (A), has an axial attachment end (16) and an opposite axial cleaning end (18), as well as at least one conveying element (20) for removing drilling dust (22) from the drilled hole (12). The conveying element (20) is attached to the tool shank (14) and arranged in the axial direction like a helix around the tool shank (14). The conveying element (20) is configured as a channel (24) that is open in the direction of the attachment end (16). A method for cleaning a drilled hole by such a tool (10) is also disclosed.
Claims16
A tool for cleaning a drilled hole comprising:
- a tool shank having, relative to a shank axis, an axial attachment end and an opposite axial cleaning end;
- and
- at least one conveyor for removing drilling dust from the drilled hole, the conveyor being attached to the tool shank and arranged helically in the axial direction around the tool shank, the conveyor configured as a channel open in a direction of the attachment end;
- and
- a brush extending radially outwards and attached to the tool shank to clean a wall of the drilled hole, wherein starting from the brush, an axial distance to the conveyor in a direction of the attachment end is smaller than in another direction of the cleaning end.
Dependencies are inferred from the claim text.