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US 2017/0239792 A1Published application
Impact driver having an impact mechanism
AssigneeRobert Bosch GmbH
InventorsSim Teik YEOH, Siew Yuen LEE
Life of this patent
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Abstract
In an impact driver including an impact mechanism for percussive driving of an output drive shaft on which is provided a tool receptacle for receiving an inserted tool, the tool receptacle is embodied as a clamping chuck, a permanent connection being embodied between the clamping chuck and the output drive shaft in order to prevent at least tool-free detachment of the clamping chuck from the output drive shaft.
Claims7
An impact driver, comprising:
- an impact mechanism for rotary percussive driving of an output drive shaft on which is provided a tool receptacle for receiving an inserted tool;
- wherein the tool receptacle is a clamping chuck, a permanent connection being embodied between the clamping chuck and the output drive shaft to prevent at least tool-free detachment of the clamping chuck from the output drive shaft,
- wherein the impact mechanism includes a mechanical impact mechanism having a spring-loaded impact member having at least one input drive cam, the output drive shaft having at least one output drive cam,
- wherein the output drive shaft is embodied in at least two pieces and has an output drive stud and a cam member having at least one output drive cam, the output drive stud being fastened via a rigid connection on the clamping chuck and being connected nonrotatably to the cam member.
1 more element
Dependencies are inferred from the claim text.