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… … It is claimed that this me- sharp hook which, as shown in LATHBOF'3 SEWING MACHINE. chanism prevents any entang- Fig. 2, first engages the thread ling, twisting, or abrasion of the thread, and gives a greater ways, I, and the upper side piece, J, traverses similar guide passing between the same and…
Patents · Iron · Plate · Scientific American · Tanned · Surface coated · Sulphuric acid · Horse power · Selenitic mortar · Sulphurous acid · Tanned leather · Leather tanned · Rack bars · Spiral spring
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