tes the necessity of bobbin and shuttle the guide groove, R. As the looper is taking the new loop, regulate the tension of the locking thread. The lower and the consequent tedious rewinding of the thread from the spool carrier travels back to its former position. side piece of the carrier is fitted… … graving, and require no special is grooved. The right hand = description. extremity of this portion is a —= It is claimed that this me- sharp hook which, as shown in LATHROP’S SEWING MACHINE. chanism prevents any entang- Fig. 2, first engages the thread ling, twisting, or abrasion of the thread,…
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