Electric tool
AssigneeHilti Aktiengesellschaft
InventorsFerdinand Kristen, Erwin Manschitz
Life of this patent
Estimating the term…
Abstract
An electric tool including a hammer mechanism (9), a drive motor (11) for driving the hammer mechanism (9), a gear (10) for connecting the drive motor (11) with the hammer mechanism (9), a ventilator wheel (7) provided in an end region of the drive motor (11) remote from the gear (10) and connected with an exhaust opening (8), and separate air channels (3,4) having each a suction opening (5,6) and ending at a side of the wheel (7) adjacent to the drive motor (11), with one of the air channels (3) being associated at least with the gear (10), and another of the air channels (4) being associated at least with the drive motor (11).
Claims6
An electric tool, comprising a hammer mechanism (9);
- a drive motor (11) for driving the hammer mechanism (9);
- a gear (10) for connecting the drive motor (11) with the hammer mechanism (9);
- a ventilator wheel (7) provided in an end region of the drive motor (11) remote from the gear (10) and connected with an exhaust opening (8);
- and separate air channels (3,4) having each a suction opening (5,6) and ending at a side of the wheel 7 adjacent to the drive motor (11), one of the air channels (3) being associated at least with the gear (10), and another of the air channels (4) being associated at least with the drive motor (11).
Dependencies are inferred from the claim text.