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US 5,687,483 AGranted
Electric hand tool guided with two hands
AssigneeRobert Bosch GmbH
InventorsWerner Neubert, Joachim Schadow, Joachim Mueller, Manfred-Otto Staebler, Manfred Dohr, Heinz Warkentin
Life of this patent
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Abstract
An electric hand tool guided with both hands has a tool housing, a stationary handle, and an additional movable handle, the additional handle being turnable about a turning axis and being also displaceable longitudinally substantially along the turning axis.
Claims9
An electric hand tool guided with both hands, comprising a tool housing;
- a stationary handle;
- and an additional movable handle, said additional handle being turnable about a turning axis and being also displaceable longitudinally substantially along said turning axis, said additional handle being formed as a gripping bracket having two opposite ends, and having a member which extends through said tool housing substantially along said turning axis and connects said ends of said gripping bracket with one another, said member being formed as a spacer pipe which is substantially closed at its both ends and provided with a flattening having a region which is received in a respective flattened tubular opening;
- and an outwardly releasable clamping device fixing said region of said flattening.
An electric hand tool guided with both hands, comprising a tool housing;
- a stationary handle;
- an additional movable handle, said additional handle being formed as a gripping bracket which is turnable about a turning axis between a plurality of gripping positions and displaceable along said turning axis between a plurality of further gripping position to be gripped by a user in each of the gripping positions for use of the electric hand tool;
- abutment means arranged so that said gripping bracket is displaceable along the turning axis relative to said tool housing until a point of said gripping bracket abuts at least at one side against said abutment means, said gripping bracket having two opposite ends, said additional handle also having a member which extends through said tool housing substantially along said turning axis and connects said ends of said gripping bracket with one another, said gripping bracket being releasably connected with said tool housing;
- and means which releasably clamp said bracket when it is connected with said housing and which is actuateable from outside of said housing and said bracket, said means clamping said gripping bracket on said member.
1 more element
Dependencies are inferred from the claim text.