Actual sew length measuring device

Details Actual sew length measuring device Actual sew length measuring device

G - Physics

01

B

33/172

G01B 3/12 (2006.01) D05B 69/20 (2006.01) G01B 5/04 (2006.01) G01B 7/04 (2006.01)

Patent

CA 1124055

The lengths of one or more fabric workpieces are measured by rolling a toothed measuring wheel over each fabric workpiece as it is passed through a sewing machine and conveying the revolutions of the measuring wheel to an electronic, digital counter by means of a torsion shaft whose flexibility is tuned such that while coacting with a friction brake at the counter, no reverse motion will occur due to relaxation in the fabric tension.

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