The invention relates to a hand-held power tool, in particular a hammer drill which has a hammer drive, a rotary drive, a switching device, and a main output element. The switching device has a slide mechanism, which is designed for switching between different operating modes. According to the inven
The invention relates to a hand-held power tool, in particular a hammer drill which has a hammer drive, a rotary drive, a switching device, and a main output element. The switching device has a slide mechanism, which is designed for switching between different operating modes. According to the invention, the slide mechanism has at least one coupling element, which in at least one operating mode is directly coupled to a coupling element, the latter being rotationally fixed to the main output element.
대표청구항▼
1. A hand-held power tool, in particular a rotary hammer, having a hammering-only mode, a rotary-hammering mode and a rotary-only mode, comprising: a switching device equipped with a slide mechanism that switches between the hammering-only mode, the rotary-hammering mode and the rotary-only mode of
1. A hand-held power tool, in particular a rotary hammer, having a hammering-only mode, a rotary-hammering mode and a rotary-only mode, comprising: a switching device equipped with a slide mechanism that switches between the hammering-only mode, the rotary-hammering mode and the rotary-only mode of the rotary hammer;a main output element; andat least one slide mechanism coupling element situated on a circumferential surface of the slide mechanism that is oriented radially outward,wherein the at least one slide mechanism coupling element, in at least one of the rotary-only mode and the rotary-hammering mode, is directly coupled to a main output element coupling element which is connected to the main output element in a rotationally fixed fashion, andwherein the at least one slide mechanism coupling element, in the hammering-only mode, is disengaged from the main output element coupling element. 2. The hand-held power tool as recited in claim 1, wherein the slide mechanism is embodied by a sliding sleeve. 3. The hand-held power tool as recited in claim 2, wherein the at least one slide mechanism coupling element is embodied by a gearing. 4. The hand-held power tool as recited in claim 3, wherein the at least one slide mechanism coupling element is integrally formed onto the circumferential surface of the sliding sleeve that is oriented radially outward. 5. The hand-held power tool as recited in claim 2, wherein the at least one slide mechanism coupling element is integrally formed onto the circumferential surface of the sliding sleeve that is oriented radially outward. 6. The hand-held power tool as recited in claim 1, wherein the at least one slide mechanism coupling element is embodied by a gearing. 7. The hand-held power tool as recited in claim 6, wherein the gearing is integrally formed onto the circumferential surface of the slide mechanism that is oriented radially outward. 8. The hand-held power tool as recited in claim 6, wherein the at least one slide mechanism coupling element is situated at one end of the slide mechanism in an axial direction. 9. The hand-held power tool as recited in claim 8, wherein a subregion of the slide mechanism equipped with the at least one slide mechanism coupling element is mounted directly on an intermediate shaft. 10. The hand-held power tool as recited in claim 9, wherein the slide mechanism is situated on the intermediate shaft in an axially sliding fashion. 11. The hand-held power tool as recited in claim 9, wherein the slide mechanism transmits a drive moment simultaneously to the main output element and to an impact mechanism in the rotary-hammering mode. 12. The hand-held power tool as recited in claim 1, wherein the at least one slide mechanism coupling element is situated at one end of the slide mechanism in an axial direction. 13. The hand-held power tool as recited in claim 1, wherein a subregion of the slide mechanism equipped with the at least one slide mechanism coupling element is mounted directly on an intermediate shaft. 14. The hand-held power tool as recited in claim 13, wherein the slide mechanism is situated on the intermediate shaft in an axially sliding fashion. 15. The hand-held power tool as recited in claim 1, wherein the slide mechanism transmits a drive moment simultaneously to the main output element and to an impact mechanism in the rotary-hammering mode. 16. The hand-held power tool as recited in claim 15, wherein the impact mechanism includes a wobble sleeve having a wobble pin attached thereto, wherein the wobble sleeve has a coupling element constituted by a gearing integrally formed on the sleeve that corresponds to a gearing on the slide mechanism. 17. The hand-held power tool as recited in claim 1, wherein the slide mechanism is mounted to an intermediate shaft on which a drive gearing is connected in a rotationally fixed fashion in the circumferential direction on a radially outward oriented side of the intermediate shaft, wherein the slide mechanism is embodied by a sliding sleeve having an internal gearing situated in a circumferential direction on a circumferential surface of the slide mechanism that is oriented radially inward and engages the drive gearing, and wherein the internal gearing of the slide mechanism has a greater length in an axial direction than a length of the drive gearing. 18. The hand-held power tool as recited in claim 17, wherein the internal gearing extends from a drive end of the sliding sleeve only partially into the sliding sleeve in an axial direction. 19. The hand-held power tool as recited in claim 17, wherein the sliding sleeve is embodied as stepped on a side oriented inward with a subregion that includes the internal gearing having a larger inner cross-sectional area than a subregion of the sliding sleeve oriented toward a driven end of the sliding sleeve. 20. The hand-held power tool as recited in claim 19, wherein the subregion of the sliding sleeve with the smaller cross-sectional area is mounted directly on the intermediate shaft.
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이 특허에 인용된 특허 (8)
Armin Below DE; Hans-Werner Bongus-Ambrosius DE; Martin Richter DE; Thomas Hofbrucker DE; Kent Karlsson DE, Drilling and/or chiseling device.
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