Rotary hook for sewing machine

Details Rotary hook for sewing machine Rotary hook for sewing machine

D - Textiles, Paper

05

B

112/43

D05B 57/14 (2006.01) D05B 57/26 (2006.01) D05B 57/28 (2006.01)

Patent

CA 1104428

ABSTRACT A rotary hook and bobbin assembly for a lock-stitch sewing machine. The bobbin has no case but has a flat end plate and a convexly curved end plate. The bobbin holder has a post with a means for locking the bobbin and a relatively wide undergroove in its wall for adjusting tension.

331734

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