초록 ▼

A dust suction device for detachable attachment to a hand-held drilling machine includes a housing, a telescoping suction pipe coupled to the housing, an electric motor positioned in the housing, a suction fan driven by the electric motor and operable to generate a vacuum in the suction pipe, a dust

A dust suction device for detachable attachment to a hand-held drilling machine includes a housing, a telescoping suction pipe coupled to the housing, an electric motor positioned in the housing, a suction fan driven by the electric motor and operable to generate a vacuum in the suction pipe, a dust collection container coupled to the housing and positioned upstream of the suction fan, and a support frame. The support frame includes a first portion coupled to the housing, a second portion coupled to a neck of the drilling machine, and an auxiliary handle extending from one of the first and second portions of the support frame. The support frame supports the drilling machine in a side-by-side relationship with the dust suction device.

대표청구항 ▼

1. A dust suction device for detachable attachment to a hand-held drilling machine, the dust suction device comprising: a housing;a telescoping suction pipe coupled to the housing;an electric motor positioned in the housing;a suction fan driven by the electric motor and operable to generate a vacuum

1. A dust suction device for detachable attachment to a hand-held drilling machine, the dust suction device comprising: a housing;a telescoping suction pipe coupled to the housing;an electric motor positioned in the housing;a suction fan driven by the electric motor and operable to generate a vacuum in the suction pipe;a dust collection container coupled to the housing and positioned upstream of the suction fan;a pressure switch for activating the electric motor and suction fan automatically when the suction pipe is pressed against a workpiece; anda support frame including a first portion coupled to the housing,a second portion coupled to a neck of the drilling machine, andan auxiliary handle extending from one of the first and second portions of the support frame, the support frame supporting the drilling machine in a side-by-side relationship with the dust suction device. 2. The dust suction device of claim 1, wherein the second portion of the support frame includes a band clamp encircling the neck of the drilling machine. 3. The dust suction device of claim 2, wherein the band clamp includes a clamping device for tightening the band clamp on the neck of the drilling machine, and wherein the clamping device includes the auxiliary handle. 4. The dust suction device of claim 1, further comprising a dust filter positioned between the suction fan and the dust collection container. 5. The dust suction device of claim 4, wherein the dust filter is at least partially positioned within the dust collection container. 6. The dust suction device of claim 4, wherein the dust filter is configured as a HEPA dust filter. 7. The dust suction device of claim 1, further comprising a suction channel, a first end of which is connected to an inlet end of the suction pipe, and a second end of which has a suction opening that is aligned coaxially with an axis of rotation of a rotatable tool driven by the drilling machine when the dust suction device is mounted to the hand-held drilling machine. 8. The dust suction device of claim 7, wherein the suction channel is rotatable about a longitudinal axis of the suction pipe for repositioning the suction opening depending upon which side of the drilling machine the dust suction device is mounted. 9. The dust suction device of claim 7, wherein the suction pipe includes an outer pipe and an inner pipe arranged coaxially therein, wherein the inner pipe is movable telescopically within the outer pipe. 10. The dust suction device of claim 9, wherein the suction channel is coupled for telescoping movement with the inner pipe. 11. The dust suction device of claim 9, further comprising an expandable tube positioned within the inner and outer pipes through which the vacuum generated by the suction fan is drawn. 12. The dust suction device of claim 11, wherein the inner pipe is biased axially outwardly from the outer pipe by a compression spring, and wherein the compression spring is integrated with the expandable tube. 13. The dust suction device of claim 1, wherein the first portion of the support frame is detachably coupled to the housing. 14. The dust suction device of claim 1, further comprising a button switch for manually activating and deactivating the electric motor and suction fan. 15. The dust suction device of claim 14, wherein the button switch has at least three switching positions, including a first switching position in which the electric motor remains deactivated irrespective of actuation of the pressure switch, a second switching position in which the electric motor may be activated and deactivated automatically in response to actuation of the pressure switch, and a third switching position in which the electric motor may be activated irrespective of actuation of the pressure switch. 16. The dust suction device of claim 1, further comprising at least one of a rechargeable battery and a rechargeable battery pack for supplying the electric motor with electrical energy. 17. The dust suction device of claim 1, wherein the dust collection container is at least partly transparent for visible light. 18. A dust suction device for detachable attachment to a hand-held drilling machine, the dust suction device comprising: a housing;a telescoping suction pipe coupled to the housing;an electric motor positioned in the housing;a suction fan driven by the electric motor and operable to generate a vacuum in the suction pipe;a first switch electrically connected between the electric motor and a power source, the first switch being actuated and electrically connecting the motor to the power source in response to detecting telescoping movement of the suction pipe; anda second switch electrically connected with the electric motor, the power source, and the first switch, the second switch being toggled between a first switching position in which the electric motor remains deactivated irrespective of actuation of the first switch,a second switching position in which the electric motor may be activated and deactivated automatically in response to actuation of the first switch, anda third switching position in which the electric motor may be activated irrespective of actuation of the first switch. 19. The dust suction device of claim 18, further comprising a dust collection container coupled to the housing and positioned upstream of the suction fan. 20. The dust suction device of claim 19, further comprising a dust filter positioned between the suction fan and the dust collection container. 21. The dust suction device of claim 19, wherein the dust collection container is at least partly transparent for visible light. 22. The dust suction device of claim 18, further comprising a support frame including a first portion coupled to the housing;a second portion coupled to a neck of the drilling machine; andan auxiliary handle extending from one of the first and second portions of the support frame, the support frame supporting the drilling machine in a side-by-side relationship with the dust suction device. 23. The dust suction device of claim 22, wherein the second portion of the support frame includes a band clamp encircling the neck of the drilling machine. 24. The dust suction device of claim 23, wherein the band clamp includes a clamping device for tightening the band clamp on the neck of the drilling machine, and wherein the clamping device includes the auxiliary handle.