Doffing and donning apparatus for spinning machines

Claim 1

IN COMBINATION WITH A SPINNING MACHINE HAVING A PAIR OF UPRIGHTS AT THE ENDS THEREOF AND A HORIZONTAL ROW OF VERTICAL SPINDLES BETWEEN SAID UPRIGHTS, THE FIRST AND THE LAST SPINDLE OF SAID ROW BEING SPACED FROM SAID UPRIGHTS; A CARRIAGE MOVABLE ALONG THE SPINNING MACHINE IN THE DIRECTION OF SAID ROW OF SPINDLES AND ALONG THE SAME; DOFFING MEANS INCLUDING MEANS FOR RAISING BOBBINS ON SAID SPINDLES; PARALLELOGRAM LINKAGE MEANS FOR SUPPORTING SAID DOFFING MEANS ON SAID CARRIAGE MOVABLE BETWEEN AN INOPERATIVE VERTICAL POSITION LOCATED TRANSVERSELY SPACED FROM, AND ABOVE SAID ROW OF SPINDLES ADJACENT SAID CARRIAGE, AND ALSO TRANSVERSELY SPACED FROM SAID UPRIGHTS, AND A VERTICAL OPERATIVE DOFFING POSITION ALIGNED WITH SAID ROW OF SPINDLES FOR RAISING BOBBINS ON SUCCESSIVE SPINDLES DURING CARRIAGE MOVEMENT, SAID DOFFING MEANS TENDING TO ASSUME SAID OPERATIVE POSITION; HOLDING MEANS FOR HOLDING SAID DOFFING MEANS IN SAID INOPERATIVE VERTICAL POSITION UNTIL THE SAME HAS PASSED ONE UPRIGHT AND ARRIVES AT A REGION OF THE SPINNING MACHINE PRECEDING THE FIRST SPINDLE OF SAID ROW OF SPINDLES IN THE DIRECTION OF CARRIAGE MOVEMENT SO THAT SAID DOFFING MEANS ASSUMES SAID OPERATIVE POSITION WHEN ARRIVING AT SAID REGION; AND MEANS FOR EFFECTING MOVEMENT OF SAID DOFFING MEANS TO SAID INOPERATIVE VERTICAL POSITION AFTER PASSING THE LAST SPINDLE OF SAID ROW OF SPINDLES AND BEFORE ARRIVING AT THE OTHER UPRIGHT SO THAT SAID DOFFING MEANS IN SAID INOPERATIVE VERTICAL POSITION CAN PASS THE UPRIGHTS OF THE SPINNING MACHINE OBSTRUCTING THE PATH OF MOVEMENT OF SAID DOFFING MEANS IN SAID OPERATIVE POSITION.