Toggle-actuated hand tool with full stroke-compelling mechanism

Claim 1

IN A HAND TOOL, THE COMBINATION OF AN ELONGATED BODY INCLUDING AT ONE END THEREOF A HANDLE ELEMENT AND HAVING IN FIXED RELATION TO THE OTHER END THEREOF A HEAD PROVIDED WITH A WORK-ENGAGING PART FIXED THERETO, A PLUNGER MOUNTED FOR SLIDING MOVEMENT IN THE BODY TOWARD AND AWAY FROM SAID WORK-ENGAGING PART IN A DIRECTION LENGTHWISE OF THE BODY AND HAVING A WORK-ENGAGING PART FOR COOPERATION WITH THE FIRST-MENTIONED WORK-ENGAGING PART, A TOGGLE MECHANISM INCLUDING A SECOND HANDLE ELEMENT SWINGABLE RELATIVELY TO THE FIRST-MENTIONED HANDLE ELEMENT AND OPERABLY CONNECTED THROUGH PIVOTAL CONNECTIONS TO THE PLUNGER AND TO THE BODY FOR ADVANCING AND RETRACTING THE PLUNGER, AND COACHING MOTION-COMPELLING MEANS ON SAID BODY AND THE SECOND HANDLE ELEMENT, FOR SAID HANDLE ELEMENTS CONTROLLING RELATIVE MOVEMENTS THEREBETWEEN, AND SAID PIVOTAL CONNECTION BETWEEN THE TOGGLE MECHANISM AND THE BODY INCLUDING AN ELONGATED PIVOT-PROVIDING MEMBER, HAVING A LONGITUDINAL AXIS, CARRIED BY THE BODY, HAVING A CYLINDRICAL PORTION THEREON ECCENTRIC TO SAID AXIS, WHICH PROVIDES SAID PIVOTAL CONNECTION, AND PIVOT-PROVIDING MEMBER BEING ANGULARLY ADJUSTABLE ON ITS AXIS TO THEREBY ADJUST THE EX-