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US 10,960,526 B2Granted
Handheld tool device
AssigneeRobert Bosch GmbH
InventorTobias Herr
Life of this patent
Estimating the term…
Abstract
A handheld tool device includes a hammer mechanism that has at least a striker and a cam guide that drives the striker at least in a hammer-drilling mode. The striker has at least a portion of the cam guide.
Claims23
A handheld tool device, comprising:
- a hammer mechanism which includes a striker and at least one cam guide which drives the striker at least in a hammer-drilling mode, wherein the striker has at least a portion of the cam guide,
- wherein the cam guide has an impact free-running region,
- wherein the cam guide has an impact pull-up region,
- wherein the impact free-running region has an impact flank and an impact free-running flank, wherein the impact flank and the impact free-running flank extend away from each other in a first section of the impact free-running region.
1 more element
A handheld tool device, comprising:
- a hammer mechanism which includes a striker and at least one cam guide which drives the striker at least in a hammer-drilling mode, wherein the striker has at least a portion of the cam guide,
- wherein the cam guide has an impact free-running region,
- wherein the cam guide has an impact pull-up region,
- wherein the impact pull-up region is of a helical configuration and extends through 180 degrees about a rotation axis of the hammer mechanism spindle.
1 more element
Dependencies are inferred from the claim text.