British Patent Office - Abridgments Class 112 Sewing Embroidering 1921-1925 (1929)
British Patent Office · leaf 89
its connection is deter- mined by means of a bell-crank lever 25 having a pin 24 which engages in a slot 23 in the link 20. The other arm of the lever 25 has its movement limited by stops in the form of nuts 31, 32, on a right and left-handed screw 36. The lever 25 is oscillated by a knee-lever 464… … nected to a pin 66 carried eccentrically by a shaft 68 having thereon a gear-pinion 69 producing an intermittent motion thereof, and in meshing with a wheel 70 of three times its num- consequence a period of dwell in the movement ber of teeth. The wheel 70 is secured to a star- of the loopers in…
British patents · Patents · Sewing · Embroidering · Embroidery
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