초록 ▼

A hand-held power tool inclLldes motor-driven drive shaft (4) for driving a working tool (9) and located in the tool housing (1), and a suction device (2) formed as a modular unit releasably connectable wYith the tool housing (1) and having a suction conduit (5), a receiving chamber (7), a precipita

A hand-held power tool inclLldes motor-driven drive shaft (4) for driving a working tool (9) and located in the tool housing (1), and a suction device (2) formed as a modular unit releasably connectable wYith the tool housing (1) and having a suction conduit (5), a receiving chamber (7), a precipitation device (8) located in the receiving chamber (7 ), and an impeller (6) driven by the drive shaft (4) of the power tool and located between the suction conduit (5) and the precipitation device (8).

대표청구항 ▼

What is claimed is: 1. A hand-held power tool, comprising a housing (1); a motor-drive shaft (4) for driving a working tool (9) and located in the housing (1); and a suction device (2) formed as a modular unit releasably connectable with the power tool housing ( 1), the suction device (2) having a

What is claimed is: 1. A hand-held power tool, comprising a housing (1); a motor-drive shaft (4) for driving a working tool (9) and located in the housing (1); and a suction device (2) formed as a modular unit releasably connectable with the power tool housing ( 1), the suction device (2) having a housing (24); a suction conduit (5), a receiving chamber (7) formed in the suction device housing, precipitation means (12) located in the receiving chamber (7), and an impeller driven by the motor-drive shaft (4) of the power tool, located between the suction conduit (5) and the precipitation means (12), and extending, at least partially, into the receiving chamber (7); a support shaft (15) for supporting the impeller, connectable with the motor-drive shaft of the power tool, and extending into the suction device housing (24); and bearing means (22) located in the suction device housing (24) for supporting the support shaft. 2. A hand-held power tool according to claim 1, wherein the impeller (6) includes radially extending vanes (17). 3. A hand-held power tool according to claim 1, wherein the suction conduit (5) has a feeding opening (23) arranged substantially centrally with respect to the impeller (6). 4. A hand-held power tool according to claim 1, wherein the receiving chamber (7) has a cylindrical shape. 5. A hand-held power tool according to claim 4, wherein the impeller (6) is arranged coaxially with the receiving chamber ( 7). 6. A hand-held power tool according to claim 1, wherein the precipitation means (12) form part of the receiving chamber ( 7). 7. A suction device for a hand-held power tool having a housing and a motor-driven shaft for driving a working tool and located in the housing, the suction device comprising a housing (24); a suction conduit (5); a receiving chamber (7) formed in the suction device housing (24); precipitation means (12) located in the receiving chamber (7); an impeller (6) driven by the motor-drive shaft (4) of the power tool located between the suction conduit (5) and the precipitation means ( 12), and extending, at least partially, into the receiving chamber (7); a support shaft (15) for supporting the impeller, connectable with the motor-drive shaft of the power tool, and extending into the suction device housing (24); and bearing means (22) located in the suction device housing (24) for supporting the support shaft (15). 8. A suction device according to claim 7, wherein the precipitation means (12) form part of the receiving chamber ( 7).