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US 2023/0330826 A1Published application
Chisel and tool fitting
AssigneeHilti Aktiengesellschaft
InventorSteffen GEIGER
Life of this patent
Estimating the term…
Abstract
Chisel, in particular for a jackhammer, wherein the chisel has a free shank via which the chisel can be inserted along a working axis into an insertion sleeve of a tool fitting, wherein the free shank has a hexagonal cross section at least in certain portions, and wherein at least one guide segment, which modifies the hexagonal cross section and extends along the working axis, is formed on a surface of the free shank.
Claims22
1-15. (canceled)
A chisel comprising:
- a free shank, the chisel insertable along a working axis into an insertion sleeve of a tool fitting via the free shank, the free shank having a hexagonal cross section at least in certain portions, and
- at least one guide segment modifying the hexagonal cross section and extends along the working axis and formed on a surface of the free shank.
A tool fitting for receiving a percussive or rotating tool coaxially to a working axis of the tool fitting, the tool fitting comprising:
- a basic body with an insertion sleeve, the tool insertable by a free shank into the basic body, the insertion sleeve having a hexagonal cross section at least in certain portions and having at least one supporting portion extending parallel to the working axis of the tool fitting and is formed on an inner surface of the insertion sleeve.
Dependencies are inferred from the claim text.