PERFECTIONNEMENTS AUX MACHINES A COUDRE

IMPROVEMENTS IN SEWING MACHINES

Revendications

Claim 1st The wheel C, having a concave periphery and provided with the inflected groove C1, in combination with the pivoted rocking shaft D. 2nd The rocking shaft 13, pivoted to the frame of machine below the wheel C and provided with the friction roller D1 and upwardly extending shuttle arm D2. 3rd The combination, with the eccentric wheel G and buckle G1, of the pivoted block H and feed bar F. 4th The combination, with the eccentric wheel G and buckle G1 provided with the slotted arm G2, of the pivoted block H provided with the pin h, and feed bar F provided with the pin f. 5th The blocks H H1 in combination with the feed bar. 6th The combination of the adjusting screw I with the block H1 provider m the lug Ho and the feed bar F ; 7th. The recessed shaft H, provided with the wheel M, spring K2 and adjustable head K1, in combination with the bracket L and driving wheel of machine. 8th The shaft K, having an adjustable spring head to receive one end of bobbin, in combination with bracket L provided with extended arm L. forming a stationary point of support for the other end of bobbin. 9th The bobbin shaft K, provided with a screw thread, in combination with the worm wheel N and pinion N1. 10th The pinion Ni in combination with the bar 0 provided with the toothed slot O1. 1lth The pinion N1 and bar 0, provided with the toothed slot 0. and diagonal slot 02, in combination with the spring P. 12th The bar 0, provided with the flange 03, in combination with the switch plate Q. 13th The combination, with the bobbin shaft, of a self-acting reciprocating bar provided with a thread holder, said bar being operated from the bobbin shaft and arranged to guide the thread, to and fro, on the bobbin, during the operation of winding.