| 摘要 |
PCT No. PCT/DE99/00112 Sec. 371 Date Oct. 1, 1999 Sec. 102(e) Date Oct. 1, 1999 PCT Filed Jan. 20, 1999 PCT Pub. No. WO99/39866 PCT Pub. Date Aug. 12, 1999A propeller with pivoting blades is provided as a cleaning tool (1) for the work area of metal cutting machines, where the angle of adjustment for the pivoting blades is such that an air jet is generated supporting the propeller blades (15) in folding open. The propeller blade (15) is arranged in a tool changer stacker instead of a common tool or on a tool spindle and serves to automatically clean the work area by a blowing process. |
