Pulpwood grapple

Claim 1

A PULWOOD GRAPPLE COMPRISING: (A) A SUPPORTING STRUCTURE ADAPTED TO BE PIVOTALLY SECURED TO A HOIST; (B) A PAIR OF CONFORMING AND COOPERATING JAWS BOTH OF WHICH ARE PIVOTALLY SECURED AT THEIR UPPER ENDS TO SAID SUPPORT STRUCTURE, (C) EACH OF SAID JAWS COMPRISING A PLURALITY OF JAW FRAME MEMBERS POSITIONED IN PARALLEL PLANES AND A RELATIVELY NARROW LIP STRIP SECURED TRANSVERSELY ACROSS THE JAW FRAME MEMBERS OF EACH JAW AT ONLY THE LOWERMOST ENDS THEREOF, (D) SAID PAIR OF JAWS FURTHER HAVING ONE SHORTER AND NARROW JAW THAN THE OTHER JAW SUCH THAT ONE WILL SWING THROUGH THE OTHER TO CAUSE SAID LIP STRIPS TO TRAVERSE PATHS FORMING CLOSELY SPACED SUBSTANTIALLY CONCENTRIC ARCS, (E) THE JAW FRAME MEMBERS OF EACH JAW INCLINING UPWARDLY FROM SAID LIP STRIPS AND EXTENDING INWARDLY OF AND AWAY FROM THE PATH OF SAID ARCS TO PROVIDE ANGLED BEARING SURFACES WHICH FORM AN UPWARDLY AND NARROWING NOTCH AS SAID JAWS ARE PROGRESSIVELY INTERMESHED WITH EACH OTHER, AND (F) POWERED EXTENSIBLE AND RETRACTABLE MEANS SECURED BETWEEN SAID SUPPORT STRUCTURE AND SAID JAWS, (G) WHEREBY WHEN SAID POWERED MEANS IS EXTENDED SAID JAWS ARE PROGRESSIVELY INTERMESHED WITH EACH OTHER TO CAUSE SAID ANGLED BEARING SURFACES TO CAM AGAINST VARYING QUANTITIES OF PULWOOD, INCLUDING AS LITTLE AS A SINGLE LOT, TO POSITIVELY CLAMP SAID PULPWOOD AND TO RELEASE SAID PULWOOD WHEN SAID POWERED MEANS IS RETRACTED.