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US 8,342,259 B2Granted
Transmission device
AssigneeRobert Bosch GmbH
InventorsAndre Ullrich, Tobias Herr
Life of this patent
Estimating the term…
Abstract
The invention relates to a gearbox device, in particular, for a hammer drill or chisel, with a torque transmission mechanism, which has a first torque transmitting region for transmission of a torque to a first component and at least one second torque transmitting region for transmitting a torque to a second component. According to the invention, the first torque transmitting region and the second torque transmitting region at least partly have a corresponding partial contour for transmitting the torques.
Claims18
A transmission device for a rotary and/or chisel hammer comprising:
- a torque transmission mechanism having a first torque transmission region for transmitting a torque with a first component and at least one second torque transmission region for transmitting a torque with a second component,
- wherein the first torque transmission region and the at least one second torque transmission region at least partially have a matching contour with coinciding flank contour lines for transmitting the torques,
- wherein the torque transmission mechanism surrounds an intermediate shaft of the rotary and/or chisel hammer and is rotatably supported on the intermediate shaft, and
- wherein the first torque transmission region and the at least one second torque transmission region are disposed on a radially outward-oriented surface of the torque transmission mechanism.
1 more element
Dependencies are inferred from the claim text.