IMPROVEMENTS IN SEWING MACHINES

PERFECTIONNEMENTS AUX MACHINES A COUDRE

Claims

Claim lst In a shuttle sewing machine having the movement of the shuttle to traverse to the motion of the feed device, the pin joint e2 in the connection between the eccentric b and the bell crank a. 2nd The adjustable way p in the sliding block of the feeding device. 3rd In a shuttle sewing machine. the combination of the joint c1, the adjustable way p connected with the eccentric g. connecting feed bar h, swivels s t with the feed bar i 4th A positive motion feed made by the combination of the feed bar h, swivel s attached to said bar, the swivel t, the feed frame i with spring ti, and the eccentric g and rod d1. 5th In combination with the feed bar m of a sewing machine, the gib u, the same being placed under the swivel bar s1 and made to slide in the groove formed by the horizontal stationary bar z. 6th The combination, with the horizontal feed bar h and the upright connecting rod g1, of the ball and socket joint r, at their junction. 7th The wear of the shuttle race taken up by means of the screws K L in the studs J J.