Method and machine for making yarn from staple fiber

Claim 1

A YARN SPINNING MACHINE COMPRISING IN COMBINATION A HOUSING, A SPINDLE MOUNTED FOR ROTATION IN THE HOUSING, THE HOUSING INCLUDING INTERNAL SURFACES PARALLEL TO THE EXTERNAL SURFACE OF THE SPINDLE, AND SPACED FROM THE EXTERNAL SURFACE OF THE SPINDLE TO DEFINE A YARN TRANSFER CHAMBER EXTENDING ABOUT THE SPINDLE, MEANS FORMING A FIBER SPINNING ZONE ON THE SPINDLE CONTIGUOUS WITH THE EXTERNAL SURFACE OF THE SPINDLE, THE FIBER SPINNING ZONE INCLUDING MEANS FOR HOLDING UNSPUN FIBERS ON THE FIBER SPINNING ZONE, THE SPINNING ZONE EXTENDING CIRCUMFERENTIALLY OF THE SPINDLE IN GENERALLY PERPENDICULAR RELATION WITH THE AXIS OF ROTATION OF THE SPINDLE AND HAVING A CIRCUMFERENTIAL DIMENSION SUBSTANTIALLY GREATER THAN ITS AXIAL DIMENSION, A ROLLER MOUNTED FOR CONTACT WITH THE SPINDLE TO ROTATE WITH THE SPINDLE AS THE SPINDLE ROTATES AND POSITIONED LATERALLY TO OVERLAP THE FIBER SPINNING ZONE; A RECESS IN THE SPINDLE SURFACE ADJACENT THE SPINNING ZONE AND ALIGNED THEREWITH AND EXTENDING CIRCUMFERENTIALLY OF THE SPINDLE TO INCLUDE THAT CIRCUMFERENTIAL PORTION OF THE SPINDLE SURFACE NOT OCCUPIED BY THE SPINNING ZONE, A YARN PASSAGEWAY INCLUDING AN INLET OPENING ON THE EXTERNAL SURFACE OF THE SPINDLE IN CIRCUMFERENTIAL ALIGNMENT WITH THE SPINNING ZONE, THE YARN PASSAGEWAY EXTENDING FROM THE INLET OPENING TOWARD THE AXIS OF THE SPINDLE AND AXIALLY OF THE SPINDLE TERMINATING IN A YARN OUTLET IN THE END OF THE SPINDLE AND IN SUBSTANTIAL ALIGNMENT WITH THE CENTRAL AXIS OF THE SPINDLE, MEANS FOR WITHDRAWING SPUN YARN FROM THE PASSAGEWAY, AND MEANS FOR INTRODUCING UNSPUN YARN INTO THE YARN TRANSFER CHAMBER, THE LAST-NAMED MEANS INCLUDING MEANS FORM-