Hand-held power tool with locking nut
AssigneeHilti Aktiengesellschaft
InventorsThomas Blatz, Joachim Guenther, Roland Meuer, Friedemann Moeller, Klaus Nagelschmied
Life of this patent
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Abstract
A hand-held power tool includes a drive spindle (2) rotatable about a rotational axis (A) and provided at its free end with a clamping flange (3) and a locking thread (4) having at least one thread undercut (8), and a locking nut (7) tightenable on the locking thread (4) for securing a disc-shaped tool (5) between its clamping surface (6) and the clamping flange (3) of the drive spindle (2), with the thread undercut (8) having an axial length that corresponds to at least an axial length of an inner thread (9) of the locking nut (7).
Claims3
A hand-held power tool, comprising a drive spindle (2) rotatable about a rotational axis (A) and provided at a free end thereof with a clamping flange (3) and a locking thread (4) having at least one thread undercut (8) and a locking nut (7) having a clamping surface (6) and tightenable on the locking thread (4) for securing a disc-shaped tool (5) between the clamping flange (3) of the drive spindle (2) and the clamping surface (6) of the locking nut (7), wherein the thread undercut (8) has an axial length that corresponds to at least an axial length of an inner thread (9) of the locking nut (7).
Dependencies are inferred from the claim text.