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US 2005/0087352 A1Published application
Portable Tool
AssigneeAtlas Copco Electric Tools GmbH
InventorDiethard Fohr
Life of this patent
Estimating the term…
Abstract
A portable tool such as a chisel hammer or drill hammer has a receptacle for receiving a tool insert. A hammer member drives percussively the tool insert received in the receptacle. The hammer member is movable in the direction of the longitudinal axis of the tool insert. The hammer member has a greater mass than a same-size reference hammer member of steel. The mass of the hammer member is at least 140 percent greater than that of the reference hammer member.
Claims15
A portable tool comprising:
- a receptacle adapted to receive a tool insert;
- a hammer member adapted to percussively drive a tool insert received in the receptacle, wherein the hammer member is movable in a direction of a longitudinal axis of the tool insert;
- wherein the hammer member has a greater mass than a same-size reference hammer member of steel.
Dependencies are inferred from the claim text.