Grinding tool with extraction hood
AssigneeHilti Aktiengesellschaft
InventorOliver Ohlendorf
Life of this patent
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Abstract
A grinding tool comprising a housing (1) and a motor-driven driver spindle (2) equipped with a tool receptacle (4) at a free end (3) projecting from the housing (1). An extraction hood (5) is connected to the housing (1), encloses the free end (3) of the driver spindle (2) and open towards the tool receptacle (4). The extraction hood (5) comprises an upper part (6) and a bottom part (7) connected therewith and opening towards the tool receptacle (4). The upper part (6) is pivotable about the longitudinal axis (L) of the driver spindle (2) and is mounted on the housing (1) immovably oriented with the longitudinal direction (L).
Claims10
A grinding tool comprising a housing (1) and a motor-driven driver spindle (2) having a tool receptacle (4) at a free end (3) projecting from the housing (1) and an extraction hood (5) connected to the housing (1), enclosing the free end (3) of the driver spindle (2) and opening towards the tool receptacle (4), said extraction hood (5) comprising an upper part (6) and a bottom part (7) connected therewith opening towards the tool receptacle (4), wherein the bottom part (7) comprises at least one recess (8) open towards the free end (3) with a coverage plane running transverse to the longitudinal axis (L) of the driver spindle (2) that corresponds to 0.02 to 0.1 times an extraction opening (10) enclosed by a free end (9) of the bottom part (7).
Dependencies are inferred from the claim text.