Chuck
AssigneeRobert Bosch GmbH
InventorsKarl Frauhammer, Manfred Hellbach, Heinz Schnerring, Joerg Friedrich, Andreas Strasser, Michael Mayer, Werner Huser
Life of this patent
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Abstract
A chuck is described, in particular for a hammer drill or chisel hammer, having a chuck body having an insertion opening for holding a tool shank, and a locking element for axially locking the tool shank in the insertion opening, the locking element being movable between a locked position and an unlocked position, and having an arresting pin, mounted in the locking element and radially displaceable between an arresting position and a release position, which axially arrests the locking element in its arresting position and axially releases it in its release position.
Claims18
A chuck, comprising:
- a chuck body having an insertion opening for holding a tool shank;
- a locking element for axially locking the tool shank in the insertion opening, the locking element being axially movable between a locked position, a first unlocked position, and a second unlocked position;
- and
- an arresting pin mounted in the locking element and radially displaceable between an arresting position and a release position, the arresting pin axially arresting the locking element when the locking element is in the first and second unlocked positions and the arresting pin is in the arresting position, and axially releasing the locking element from the first unlocked position when the arresting pin is in the release position.
Dependencies are inferred from the claim text.