Stretch yarn feeder for spinning frames

Claim 1

A STAND FEEDING DEVICE FOR FEEDING A STRAND TO A DRAFTING SYSTEM OF A SPINNING FRAME OF THE TYPE HAVING A SERIES OF DRAFTING ROLLS ROTATING ON AXES PARALLEL TO EACH OTHER AND HAVING A TRASVERSE BAR RECIPROCATING IN A DIRECTION PARALLEL TO SAID AXES, SAID FEEDING DEVICE COMPRISING A FEEDING AND METERING ROLLER ROTATABLY MOUNTED IN CONTACT WITH ONE OF SAID DRAFTING ROLLS TO BE ROTATED BY THE ROTATION OF THE DRAFTING ROLL, A CIRCUMFERENTIAL GROOVE IN THE PERIPHERY OF SAID METERING ROLLER FOR RECEIVING A STRAND AT ONE POINT OF THE CIRCUMFERENCE OF THE ROLLER AND FEEDING SUCH STRAND ALONG PART OF THE CIRCUMFERENCE OF THE ROLLER AND DELIVERING THE STRAND TO THE DRAFTING ROLL WITH WHICH THE METERING ROLLER IS IN CONTACT, AND MEANS CONTROLLED BY THE RECIPROCATION OF SAID TRANVERSE BAR FOR RECIPROCATING SAID METERING ROLLER IN THE DIRECTION OF THE AXIS OF ROTATION OF THE DRAFTING ROLL WITH WHICH IT IS IN CONTACT WHILE MAINTAINING SUCH CONTACT, SO THAT THE STRAND GROOVE IN SAID METERING ROLLER WILL MOVE BACK AND FORTH ACROSS A WORKING FACE PORTION OF SAID DRAFTING ROLL.