Apparatus for automatically exchanging bobbins in spinning machines

Claim 1

AN APPARATUS FOR AUTOMATICALLY EXCHANGING BOBBINS ON A SPINNING MACHINE, SAID SPINNING MACHINE HAVING A RING RAIL, A PLURALITY OF SPINDLES EACH REMOVABLE CARRYING A BOBBIN HAVING A HEAD, A PLURALITY OF SPINNING MEANS FOR SPINNING YARN, A HEAD, A PLURALITY OF SPINNING MEANS BEING ASSOCIATED WITH ONE OF SAID BOBBINS, AND MEANS FOR GUIDIN SAID YARN ONTO SAID BOBBINS WHEREBY EMPTY BOBBINS ARE WOUND WITH YARN UNTIL THEY ARE FULL, SAID APPARATUS COMPRISING AUTO-COUNTER MEANS FOR INDICATING WHEN SAID BOBBINS ARE FULL, MEANS RESPONSIVE TO SAID AUTO-COUNTER MEANS FOR STOPPING THE OPERATION OF SAID SPINNING MACHINE, MEANS FOR LOWERING SAID RING RAIL, DOFFING MEANS FOR REMOVING EACH OF THE FULL BOBBINS FROM SAID SPINDLES, AUTOMATICALLY BOBBIN EXCHANGE MEANS FOR REPLACING EACH OF THE DOFFED FULL BOBBINS WITH AN EMPTY BOBBIN, MEANS TO RESTART SAID SPINNING MACHINE WHEN SAID EMPTY BOBBINS ARE REPLACED, AND CONVEYING MEANS FOR CARRYING SAID FULL BOBBINS AWAY FROM THE SPINNING MACHINE, SAID DOFFING MEANS COMPRISING A CATCHER HAVING A TOP AND A BOTTOM AND HAVING MEANS IN SAID BOTTOM FOR GRIPPIN THE HEAD OF ONE OF SAID BOBBINS, A REVERSED T-SHAPED LEVER HAVING A CROSSBAR WITH TWO ENDS AND AN INTEGRAL ARM INTERMEDIATE SAIDENDS EXTENDING PERPENDICULARLY FORM SAID CROSSBAR, ONE END OF SAID CROSSBAR BEING PIVOTALLY CONNECTED TO SAID CATCHER ADJACENT ITS BOTTOM, THE OTHER END OF SAID CROSSBAR BEINF PIVOTALLY CONNECTED TO SAID APPARATUS, A CONNECTING LEVER HAVING TWO ENDS, A CRANK DISC HAVING A PERIPHERY, ONE END OF SAID CONNECTING LEVER BEING PIVOTALLY CONNECTED TO SAID CROSSBARM THE OTHER END OF SAID CONNECTING LEVER BEING PIVOTALLY CONNECTED TO THE PERIPHERY OF SAID CRANK DISC, MEANS FOR ROTATING SAID CRANK DISC, AN AUXILIARY LEVER HAVING TWO ENDS, ONE END OF SAID AUXILIARY LEVER BEING SLIDINGLY CONNECTED TO THE END OF SAID INTEGRAL ARM REMOTE FROM SAID CROSSBAR, THE OTHER END OF SAID AUXILIARY LEVER BEING PIVOTALLY CONNECTED TO SAID CATCHER ADJACENT ITS TOP, A CAM PLATE HAVING A CAMMING GROOVE THEREIN, A CAM ROLLER ROTATABLE CONNECTED TO SAID AUXILIARY LEVER INTERMEDIATE ITS ENDS, SAID CAM ROLLER BEING MAINTAINED IN CAM-FOLLOWING ENGAGEMENT WITH SAID CAMMING GROOVE, A STOP ROLLER ROTATABY CONNECTED TO SAID CROSSBAR INTERMEDIATE ITS ENDS, A FIRST OSCILLATING LEVER HAVING TWO ENDS, ONE END OF SAID FIRST OSCILLATING LEVER BEING PIVOTALLY CONNECTED TO SAID APPARATUS, SAID FIRST OSCILLATING LEVER BEING ELASTICALLY BIASED IN ROLLING RELATIONSHIP WITH SAID STOP ROLLER, A SECOND OSCILLATING LEVER HAVING TWO ENDS, ONE END OF SAID SECOND OSCILLATING LEVER BEING PIVOTALLY CONNECTED TO SAID APPARATUS, THE OTHER END OF SAID SECOND OSCILLATING LEVER HAVING A PICK-OFF PLATE FIXED THEREOF, A CONNECTING ROD HAVING TWO ENDS, ONE END OF SAID CONNECTING ROD BEING PIVOTALLY CONNECTED TO SAID FIRST OSCILLATING LEVER AND THE OTHER END OF SAID CONNECTING ROD BEING PIVOTALLY CONNECTED TO SAID SECOND OSCILLATING LEVER, WHEREBY SAID PICK-OFF PLATE IS MAINTAINED IN CONTACT WITH A FULL BOBBIN HELD BY SAID CATCHER AND AS SAID CRANK DISC IS ROTATED SAID FULL BOBBIN IS MOVED UP AND AWAY FROM ITS SPINDLE, AND MEANS FOR RELEASING SAID FULL BOBBIN FROM SAID CATCHER.

Claim 2

AN APPARATUS FOR AUTOMATICALLY EXCHANGING BOBBINS ON A SPINNING MACHINE, SAID SPINNING MACHINE HAVING A RING RAIL, A PLURALITY OF SPINDLES EACH REMOVABLE CARRYING A BOBBIN HAVING A HEAD, A PLURALITY OF SPINNING MEANS FOR SPINNING YARN, A HEAD, A PLURALITY OF SPINNING MEANS BEING ASSOCIATED WITH ONE OF SAID BOBBINS, AND MEANS FOR GUIDIN SAID YARN ONTO SAID BOBBINS WHEREBY EMPTY BOBBINS ARE WOUND WITH YARN UNTIL THEY ARE FULL, SAID APPARATUS COMPRISING AUTO-COUNTER MEANS FOR INDICATING WHEN SAID BOBBINS ARE FULL, MEANS RESPONSIVE TO SAID AUTO-COUNTER MEANS FOR STOPPING THE OPERATION OF SAID SPINNING MACHINE, MEANS FOR LOWERING SAID RING RAIL, DOFFING MEANS FOR REMOVING EACH OF THE FULL BOBBINS FROM SAID SPINDLES, AUTOMATICALLY BOBBIN EXCHANGE MEANS FOR REPLACING EACH OF THE DOFFED FULL BOBBINS WITH AN EMPTY BOBBIN, MEANS TO RESTART SAID SPINNING MACHINE WHEN SAID EMPTY BOBBINS ARE REPLACED, AND CONVEYING MEANS FOR CARRYING SAID FULL BOBBINS AWAY FROM THE SPINNING MACHINE, SAID DOFFING MEANS COMPRISING A CATCHER HAVING A TOP AND A BOTTOM AND HAVING MEANS IN SAID BOTTOM FOR GRIPPIN THE HEAD OF ONE OF SAID BOBBINS, A REVERSED T-SHAPED LEVER HAVING A CROSSBAR WITH TWO ENDS AND AN INTEGRAL ARM INTERMEDIATE SAIDENDS EXTENDING PERPENDICULARLY FORM SAID CROSSBAR, ONE END OF SAID CROSSBAR BEING PIVOTALLY CONNECTED TO SAID CATCHER ADJACENT ITS BOTTOM, THE OTHER END OF SAID CROSSBAR BEINF PIVOTALLY CONNECTED TO SAID APPARATUS, A CONNECTING LEVER HAVING TWO ENDS, A CRANK DISC HAVING A PERIPHERY, ONE END OF SAID CONNECTING LEVER BEING PIVOTALLY CONNECTED TO SAID CROSSBARM THE OTHER END OF SAID CONNECTING LEVER BEING PIVOTALLY CONNECTED TO THE PERIPHERY OF SAID CRANK DISC, MEANS FOR ROTATING SAID CRANK DISC, AN AUXILIARY LEVER HAVING TWO ENDS, ONE END OF SAID AUXILIARY LEVER BEING SLIDINGLY CONNECTED TO THE END OF SAID INTEGRAL ARM REMOTE FROM SAID CROSSBAR, THE OTHER END OF SAID AUXILIARY LEVER BEING PIVOTALLY CONNECTED TO SAID CATCHER ADJACENT ITS TOP, A CAM PLATE HAVING A CAMMING GROOVE THEREIN, A CAM ROLLER ROTATABLE CONNECTED TO SAID AUXILIARY LEVER INTERMEDIATE ITS ENDS, SAID CAM ROLLER BEING MAINTAINED IN CAM-FOLLOWING ENGAGEMENT WITH SAID CAMMING GROOVE, A STOP ROLLER ROTATABY CONNECTED TO SAID CROSSBAR INTERMEDIATE ITS ENDS, A FIRST OSCILLATING LEVER HAVING TWO ENDS, ONE END OF SAID FIRST OSCILLATING LEVER BEING PIVOTALLY CONNECTED TO SAID APPARATUS, SAID FIRST OSCILLATING LEVER BEING ELASTICALLY BIASED IN ROLLING RELATIONSHIP WITH SAID STOP ROLLER, A SECOND OSCILLATING LEVER HAVING TWO ENDS, ONE END OF SAID SECOND OSCILLATING LEVER BEING PIVOTALLY CONNECTED TO SAID APPARATUS, THE OTHER END OF SAID SECOND OSCILLATING LEVER HAVING A PICK-OFF PLATE FIXED THEREOF, A CONNECTING ROD HAVING TWO ENDS, ONE END OF SAID CONNECTING ROD BEING PIVOTALLY CONNECTED TO SAID FIRST OSCILLATING LEVER AND THE OTHER END OF SAID CONNECTING ROD BEING PIVOTALLY CONNECTED TO SAID SECOND OSCILLATING LEVER, WHEREBY SAID PICK-OFF PLATE IS MAINTAINED IN CONTACT WITH A FULL BOBBIN HELD BY SAID CATCHER AND AS SAID CRANK DISC IS ROTATED SAID FULL BOBBIN IS MOVED UP AND AWAY FROM ITS SPINDLE, AND MEANS FOR RELEASING SAID FULL BOBBIN FROM SAID CATCHER.