British Patent Office - Abridgments Class 112 Sewing Embroidering 1921-1925 (1929)
British Patent Office · leaf 204
rs on the lug 42 and arm 7 to tension into engagement with the teeth 105. the driving-belt 17 and, to some extent, the driven belt 19. A stem 43, traversing a slot 8 in the arm 7, has a wing-nut 44 and cotter-pin 44* serving to limit the expansion of the spring and providing means for compressing… … a Knitted-fabric sewing-machines.—A presser- arm 92 fixed to a vertical stem 94 journaled in the machine-arm 11 is pressed upwardly and in- _ wardly beneath the impaling-pins 21, by a spring 96 on the stem 94. A projection 93 is formed on the arm 92 directly beneath the needle 54, the edge of the…
British patents · Patents · Sewing · Embroidering · Embroidery
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