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US 2012/0223491 A1Published application
Chuck
AssigneeHilti Aktiengesellschaft
InventorUdo Hauptmann
Life of this patent
Estimating the term…
Abstract
A chuck for a chiseling power tool has a holding sleeve that is arranged concentrically with respect to a working axis and that serves to receive one shank end of a tool having a locking groove. A locking element protrudes partially into the holding sleeve so as to engage with the locking groove. A sliding block guides the locking element, whereby the sliding block has a section that is wound helically around the working axis.
Claims10
A chuck for a chiseling power tool comprising:
- a holding sleeve arranged concentrically with respect to a working axis serving to receive one shank end of a tool having a locking groove;
- a locking element protruding partially into the holding sleeve so as to engage with the locking groove, the locking element movable along the working axis;
- and
- a sliding block, the locking element being guided in the sliding block, the sliding block having a section wound helically around the working axis or skewed with respect to the working axis.
1 more element
Dependencies are inferred from the claim text.