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US 2015/0209948 A1Published application
Machine tool, in particular handheld machine tool
AssigneeRobert Bosch GmbH
InventorsJoachim HECHT, Heiko ROEHM, Martin KRAUS
Life of this patent
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Abstract
A power tool, in particular a hand-held power tool, preferably embodied as a cordless screwdriver, is equipped with a torque limiting unit in which the release torque is settable by way of a locking brace that is equipped with a spring brace for locking elements that abut axially against parts of a planetary drive, in particular the ring gear thereof or the planet carrier thereof as a last gear stage, the spring elements of the spring brace and the locking elements being located with a radial offset from one another.
Claims22
1-10. (canceled)
A power tool, comprising:
- a tool spindle including a drive;
- and
- a torque limiting unit disposed in the drive of the tool spindle and received in a housing, the torque limiting unit including
- locking elements configured to disengage the drive when a release torque is exceeded,
- an axial locking brace comprising at least one spring brace exerting a spring force on the locking elements, the at least one spring brace including at least one spring element, and
- a support member bracing the axial locking brace with respect to the housing, the support member being displaceable in an axial direction with respect to the housing in order to adjust and set the release torque,
- wherein the locking elements and the at least one spring element of the spring brace are radially offset from each other.
4 more elements
Dependencies are inferred from the claim text.