British Patent Office - Abridgments Class 112 Sewing Embroidering 1921-1925 (1929)
British Patent Office · leaf 31
e rear by a link when the stitches are short. 51. It is reciprocated by means of a cam-lever 58 and a link 53 which together form a toggle and thereby provide a dwell at the forward end of the stroke. The needle bar 9 is reciprocated by means of a cam lever 10 and a link 13. To 160,358. Arc &… … intended for straw-plait sewing, the stroke of the Portable machines; frames.—A light machine take-up lever and the timing of the thread lock is constructed with a thin sheet-metal cylindrical are varied automatically as the length of feed is work-supporting arm A held in clamp C integral yaried.…
British patents · Patents · Sewing · Embroidering · Embroidery
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