초록 ▼

A hand-held power tool has a main element having a tool axis, a center of gravity, and a normal axis which extends perpendicular to the tool axis and through the center of gravity. The tool axis and the normal axis define a plane of motion. A handle supported in the plane of motion such that it is m

A hand-held power tool has a main element having a tool axis, a center of gravity, and a normal axis which extends perpendicular to the tool axis and through the center of gravity. The tool axis and the normal axis define a plane of motion. A handle supported in the plane of motion such that it is movable relative to the main element. A spring unit connects the handle with the main element and includes a spring element. The handle has a handle body, a rotary element which connects the handle body and the main element. The rotary element is rotatable relative to the main element and to the handle body.

대표청구항 ▼

1. A hand-held power tool, comprising a main element having a tool axis, a center of gravity, and a normal axis which extends perpendicular to said tool axis and through said center of gravity, and said tool axis and said normal axis define a plane of motion; a handle supported in said plane of moti

1. A hand-held power tool, comprising a main element having a tool axis, a center of gravity, and a normal axis which extends perpendicular to said tool axis and through said center of gravity, and said tool axis and said normal axis define a plane of motion; a handle supported in said plane of motion such that it is movable relative to said main element; a spring unit connecting said handle with said main element, said spring unit including a spring element and is provided to at least substantially define a trajectory of at least one portion of said handle in said plane of motion under an influence of a load force which is triggered when said handle is moved out of a neutral position and approaches said main element which is stationary, said handle having a handle body; a rotary element which connects said handle body and said main element and in interaction with said spring unit defines a joint-free rotation axis about which said handle rotates in said plane of motion when a motion takes place relative to said main element, and wherein said rotary element is supported such that it is rotatable relative to said main element and to said handle body, wherein said rotary element is hingedly supported on one side around a rotation point which is fixed with said main element and on another side said rotary element is also hingedly supported around a rotation point which is fixed with said handle body. 2. The hand-held power tool as defined in claim 1, wherein the hand-held power tool is a power tool selected from the group consisting of a rotary hammer, a chisel hammer, and both. 3. The hand-help power tool as defined in claim 1, wherein said spring unit includes a support element which support said spring element and which, in interaction with said spring element, define a trajectory. 4. The hand-held power tool as defined in claim 1, wherein said spring element is a leaf spring. 5. The hand-held power tool as defined in claim 1, wherein said spring element is arranged so that it holds said handle in said neutral position. 6. The hand-held power tool as defined in claim 1, wherein said spring unit includes support element supporting said spring element, and said spring element rolls across said support element when said handle moves relative to said main element. 7. The hand-held power tool as defined in claim 1, further comprising a first housing element, a second housing element, a fastening element for fastening said first housing element to said second housing element, and support element which supports said spring element which is fixed in position on said fastening element. 8. The hand-held power tool as defined in claim 7, wherein said spring element includes a sub-region which at least substantially encloses said fastening element. 9. A hand-held power tool as defined in claim 1, further comprising a clamping means for clamping said spring element. 10. A hand-held power tool as defined in claim 1, further comprising a housing element, a bellows unit which connects said main element with said handle body, and a fixing element which fixes at least said bellows unit and said spring element on said housing element. 11. A hand-held power tool as defined in claim 1, further comprising a fastening module which is removable from said handle body and insertable into a housing element, said fastening module forming a fastening interface for fastening said handle body on said main element. 12. A hand-held power tool as defined in claim 11, further comprising a vibration-decoupling unit connecting said handle body with said main element and attached to said fastening module. 13. A hand-held power tool as defined in claim 11, wherein said fastening module includes a bellows unit which connects said handle body and said main element. 14. A hand-held power tool, comprising a main element having a tool axis, a center of gravity, and a normal axis extending perpendicularly to said tool axis and through said center of gravity, with said tool axis and said normal axis defining a plane of motion; a handle supported in said plane of motion such that it is a movable relative to said main element; a guide element preventing said handle from becoming displaced perpendicularly to said plane of said motion and including a spring unit which connects said handle with said main element, said spring unit comprising a spring element and at least substantially defining a trajectory of at least one portion of said handle in said plane of motion under an influence of a load force which is triggered when said handle is moved out of a neutral position and approaches said main element which is stationary, wherein said handle has a handle body; and a rotary element which connects said handle body to said main element and in interaction with said spring unit defines a joint-free rotation axis, about which handle rotates in said plane of motion when a motion takes place relative to said main element, wherein said rotary element is hingedly supported on one side around a rotation point which is fixed with said main element and on another side said rotary element is also hingedly supported around a rotation point which is fixed with said handle body. 15. A hand-held power tool as defined in claim 14, wherein the hand-held power tool is a power tool selected from the group consisting of a rotary hammer, a chisel hammer, and both. 16. A hand-held power tool as defined in claim 14, wherein said trajectory is a curved path which includes an axial component along said tool axis and a normal component along said normal axis. 17. A hand-held power tool as defined in claim 16, wherein said trajectory has a normal component extending along said normal axis and amounting to between 15% and 35% of said axial component along said tool axis. 18. A hand-held power tool, comprising a main element having a tool axis, a center of gravity, and a normal axis which extends perpendicular to said tool axis and through said center of gravity, and said tool axis and said normal axis define a plane of motion; a handle supported in said plane of motion such that it is movable relative to said main element; a spring unit connecting said handle with said main element, said spring unit including a spring element and is provided to at least substantially define a trajectory of at least one portion of said handle in said plane of motion under an influence of a load force which is triggered when said handle is moved out of a neutral position and approaches said main element which is stationary, said handle having a handle body; a rotary element which connects said handle body and said main element and in interaction with said spring unit defines a joint-free rotation axis about which said handle rotates in said plane of motion when a motion takes place relative to said main element, and wherein said rotary element is supported such that it is rotatable relative to said main element and to said handle body, wherein said rotary element is a lever element.