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US 2009/0133892 A1Published application
Dust suction module for hand-held power tool
AssigneeHilti Aktiengesellschaft
InventorsGerold Fritz, Rainer Ontl
Life of this patent
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Abstract
A dust suction module includes a plurality of bearing surfaces (2, 2′, 2″) with which the dust suction module (1) is mountable on an associated hand-held power tool (3), an air filter (4), a rotatable suction wheel (5), a plurality of opening outwardly, air discharge openings (6), and a plurality of opening outwardly, auxiliary discharge openings (7) formed in at least one of the plurality of bearing surfaces (2).
Claims6
A dust suction module, comprising a plurality of bearing surfaces (2, 2′, 2″) with which the dust suction module (1) is mountable on an associated hand-held power tool (3);
- an air filter (4);
- a rotatable suction wheel (5);
- a plurality of opening outwardly, air discharge openings (6);
- and a plurality of opening outwardly, auxiliary discharge openings (7) formed in at least one of the plurality of bearing surfaces (2, 2′, 2″).
1 more element
Dependencies are inferred from the claim text.