Paste dispensing device for collapsible paste tubes

Claim 1

A PASTE DISPENSING DEVICE FOR COLLAPSIBLE TUBES COMPRISING AN ELONGATE HOUSING OF FLEXIBLE MATERIAL OPEN AT ONE END THROUGH WHICH A COLLAPSIBLE PASTE TUBE MAY BE INSERTED, THE OPPOSITE END BEING CLOSED AND HAVING A FLARING BASE EXTENDING THEREFROM, TWO OPPOSED TRACKWAYS PIVOTED AT THEIR TOP ENDS TO SAID HOUSING ADJACENT SAID OPEN END, A SCISSORS CONNECTING MEANS PIVOTED AT ITS CENTER TO SAID HOUSING BASE, THE BOTTOM ENDS OF SAID TRACKWAYS BEING PIVOTED TO THE OPPOSITE ENDS OF SAID SCISSORS CONNECTING MEANS, YIELDABLE MEANS URGING SAID SCISSORS TO SPACE SAID TRACKWAY BOTTOM ENDS APART, SAID TRACKWAYS EACH COMPRISING A TRACK COUNTERSUNK BELOW INTURNED FLANGES OF SAID TRACKWAYS, A PAIR OF OPPOSED FOLLOWERS, EACH FOLLOWER HAVING A SPOOL WHEEL RIDING ON SAID TRACK AND HAVING AN EXTENDING AXLE RETAINED WITHIN SAID TRACKWAY FLANGES, EACH FOLLOWER COMPRISING A CURVED ACUTE ANGULAR MEMBER BIFURCATED AT EACH END, ONE PAIR OF BIFURCATIONS PROVIDING BEARINGS FOR SAID SPOOL WHEEL EXTENDING AXLE, A SERRATED WHEEL RIDING ON ANOTHER EXTENDING AXLE HAVING A BEARING IN SAID OTHER PAIR OF BIFURCATIONS, A SLOTTED YIELDABLE RATCHET PLATE SECURED ON AND DEPENDING FROM SAID FOLLOWER ANGULAR MEMBER BETWEEN SAID SPOOL WHEEL AND THE CURVED ANGLE OF SAID CURVED MEMBER, SAID SERRATED WHEEL EXTENDING INTO THE SLOT OF SAID DEPENDING PLATE AN RATCHETING AGAINST THE SLOT END, AND MEANS YIELDABLY URGING SAID SERRATED WHEELS TOWARD EACH OTHER, WHEREBY WHEN SAID HOUSING IS MANUALLY SQUEEZED, THE BOTTOM ENDS OF SAID TRACKWAYS ARE PIVOTED TOWARD EACH OTHER, CAUSING SAID ANGULAR FOLLOWERS TO SQUEEZE A PASTE TUBE EXTENDING BETWEEN SAID FOLLOWERS AND BETWEEN SAID SERRATED WHEELS TO EJECT PASTE FROM AN OPEN END THEREOF, SAID SCISSORS CONNECTING MEANS URGING SAID BOTTOM ENDS OF SAID TRACKWAYS APART WHEN MANUAL PRESSURE IS RELEASED, SAID SERRATED WHEELS BEING HELD BY SAID RATCHET PLATES AGAINST REVERSE ROTATION AS SAID FOLLOWERS ARE PULLED SLIGHTLY AWAY FROM THE PASTE TUBE BY THEIR SAID SPOOL WHEELS TO PROVIDE A GAP THEREBETWEEN, INTO WHICH GAP SAID FOLLOWERS ADVANCE ON THE NEXT SQUEEZING ACTION, AS SAID SERRATED WHEELS THEN ROTATE UNTIL THE FOLLOWERS AGAIN CONTACT THE PASTE TUBE TO REPEAT THE CYCLE OF OPERATION.