Dust suction device for drilling machine
AssigneeAEG Electric Tools GmbH
InventorsOliver Lerch, Roland Vögele
Life of this patent
Estimating the term…
Abstract
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.
Claims24
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;
- and
- a support frame including
- 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 supporting the drilling machine in a side-by-side relationship with the dust suction device.
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;
- and
- a 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, and
- a third switching position in which the electric motor may be activated irrespective of actuation of the first switch.
Dependencies are inferred from the claim text.