Hand-held power tool
OwnerMarkus Holubarsch, Ferdinand Kristen +2inventors
InventorsMarkus Holubarsch, Ferdinand Kristen, Stefan Schmid, Benjamin Lederle
Life of this patent
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Abstract
A hand-held power tool has a tool socket 2 to hold a tool on a working axis 11. A pneumatic striking mechanism 6 has an exciter piston 13 that is forced to move periodically along the working axis 11 by a motor 5 and it also has a striker 14 that is coupled to the exciter piston 13 via a pneumatic chamber 18. The exciter piston 13 has a cylindrical main body 21 made of a polymer. One or more rings 24 containing copper surround the main body 21. The rings 24 protrude from the main body 21 in the radial direction.
Claims7
1-5. (canceled)
A hand-held power tool comprising:
- a tool socket to hold a tool on a working axis;
- a motor;
- a pneumatic striking mechanism having an exciter piston forced to move periodically along the working axis by the motor and also having a striker coupled to the exciter piston via a pneumatic chamber, the exciter piston having a cylindrical main body made of a polymer;
- and
- at least one ring containing copper surround the main body, the at least one ring protruding from the main body in the radial direction.
Dependencies are inferred from the claim text.