| 摘要 |
The machine is used for sewing leather pieces for making a foot ball or a rugby ball. The machine (1) includes main shaft (15) and following shaft (28) of sewing device (2) driven by motor (M) mounted at support frame (3). crank arm (16) connected with crank pin (16a) and fixing shackle (17), is fixd at main shaft (15) having cam (22) connecting device (19) with guide piece (20) is connected with fixing shaft (18) of (17), pin (21a) of rotating shackle (21). Rod (30) with ring piece (31) is fixed at crank pin (29a) of crank arm (29) mounted at (28).
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