Rail-bearing for rotary shuttles
Recessed top feed for sewing machines
Reverse feed controlling mechanism for a sewing machine
Reversible feed mechanism for sewing machines
Right looper release mechanism in overlock sewing machine
Rolled hem switching device for overlock machine
Roller feed device for sewing machines
Rotary hook for sewing machine
Rotary loop taker for lock-stitch sewing machine
Rotary loop taker for lock-stitch sewing machine
Rotary loop taker for sewing machine
Rotary-gripper counter-hook for double-lock-stitch sewing machin
Rotatable loop taker and bobbin case assembly
Rotating needle guard