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US 2026/0183848 A1Published application
Masonry drill having five blades
AssigneeHilti Aktiengesellschaft
InventorMarkus MEIERHOFER
Life of this patent
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Abstract
A masonry drill (10), including a shaft section (12), on which a shank section (16) for connection to a tool fitting of a power drill is formed at one end, and a drill head (18) for work on a substrate is formed at the other end. The drill head (18) has at least one blade (20) having at its outer end a projection (22) which points away from the blade (20) tangentially to the longitudinal axis (L). The masonry drill (10) has a high removal capacity and a low risk of jamming.
Claims15
1-12. (canceled)
A masonry drill comprising:
- a shaft section having a first end and a second end;
- a shank section for connection to a tool fitting of a power drill formed at the first end, and
- a drill head for work on a substrate formed at the second end, the drill head having at least one blade running outward from a central longitudinal axis of the drill head, the blade having at an outer end a projection pointing away from the blade tangentially to the longitudinal axis.
Dependencies are inferred from the claim text.