British Patent Office - Abridgments Class 112, Sewing and Embroidering 1897-1900 (1903)
British Patent Office · leaf 122
machine for example, the tension of the needle the doubled portion of the loop in the lower thread may be reduced to facilitate the sewing of thread passes into a central slot 11 in the holder. the bar. The rotating feed-dise (not shown) When the holder 10 is in its lowest position, the carries a… … Buttonhole - sewing machines ; overedge-stitching depresses the rod a°, thus rocking the lever b machines ; governing needle thread.—Consists of through the connection shown, and causing the means for automatically changing the tension of spring 5b" to press on the rod c, Fig. 2, and so the needle…
British patents · Sewing · Embroidering · Embroidery
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