EXTRACTION CONNECTION SYSTEM

摘要

The invention relates to an extraction connection system for portable machine tools (12a), comprising at least one tool connection element (14a; 14b; 14c; 14d) and at least one vacuum cleaner connection element (16a; 16b; 16c, 16d), which are intended to be connected to each other. According to the invention the extraction connection system has at least one fixing unit (24a; 24a'; 24b; 24c; 24d), which comprises at least one movably supported fixing element (18a; 18a'; 18b, 20b, 22b; 18c; 18d) and is intended to fix the tool connection element (14a; 14b; 14c; 14d) and the vacuum cleaner connection element (16a; 16b; 16c, 16d) in order to prevent motion relative to each other in at least one direction.