| 摘要 |
PCT No. PCT/IT85/00031 Sec. 371 Date Apr. 29, 1986 Sec. 102(e) Date Apr. 29, 1986 PCT Filed Aug. 28, 1985 PCT Pub. No. WO86/01547 PCT Pub. Date Mar. 13, 1986.An accessory pneumatically operated holding device is disclosed, specifically for industrial sewing machines which device comprises a profiled blade accessory holding element which can be moved by a pneumatic piston along a backward and forward travel with extreme and adjustable precision. The above device can be readily removed from the working plane of the sewing machine. |
