Motion-compelling mechanism for a hand tool

Claim 1

IN A TOOL HAVING FIRST AND SECOND HANDLES PIVOTALLY INTERCONNECTED AND ADAPTED FOR THE SUPPORT OF AND RESPECTIVE ASSOCIATION WITH WORK-PERFORMING ELEMENTS OF A PAIR, WHICH COOPERATIVE WITH ONE ANOTHER ONE RELATIVE SWINGING MOVEMENT OF THE HANDLES WITH RESPECT TO EACH OTHER, THE COMBINATION COMPRISING A FIRST TOOTHED ELEMENT HAVING TEETH ARRANGED ON A RADIUS AND SECURED TO THE FIRST HANDLE FOR RELATIVE SWINGING MOVEMENT THEREWITH IN ANGULARLY RIGID RELATION THERETO, A SECOND TOOTHED ELEMENT HAVING TEETH ARRANGED ON A RADIUS AND SECURED TO THE SECOND HANDLE FOR RELATIVE SWINGING MOVEMENT THEREWITH IN ANGULARLY RIGID RELATION THERETO, AND A GEARLIKE PART SUPPORTED FROM ONE OF SAID HANDLES FOR SWINGING MOVEMENT THEREWITH AND FOR ANGULAR MOVEMENT ON ITS AXIS, SAID GEARLIKE PART ALSO BEING SUPPORTED FROM SAID ONE OF THE HANDLES FOR SWINGING MOVEMENT ON AN AXIS COINCIDENT WITH THE POINT FROM WHICH THE TEETH OF THE CORRESPONDING TOOTHED ELEMENT ASSOCIATED WITH THE LAST-MENTIONED HANDLE ARE GENERATED ON A RADIUS AS AFORESAID, SAID GEARLIKE PART BEING SPRING BIASED TOWARD THE OTHER TOOTHED ELEMENT, THE TEETH OF THE GEARLIKE PART BEING ENGAGEABLE WITH THE TEETH OF SAID TOOTHED ELEMENTS SIMULTANEOUSLY DURING RELATIVE SWINGING MOVEMENT OF THE HANDLES ONE TO THE OTHER IN EITHER DIRECTION TO COMPEL RELATIVE MOVEMENT OF THE HANDLES IN THIS DIRECTION WHILE SAID TEETH ARE SO ENGAGED.