Material handling device

Claim 1

A DEVICE FOR HANDLING ELONGATED OBJECTS COMPRISING (A) A MOBILE CARRIAGE; (B) BOOM SUPPORT MEANS; (C) AN EXTENSIBLE BOOM INCLUDING A (D) REAR BOOM SECTION PIVOTALLY MOUTNED AT ONE END TO SAID SUPPORT MEANS FOR SWINGING MOVEMENT IN A VERTICAL PLANE ABOUT A HORIZONTAL AXIS; (E) MOTOR MEANS OPERATIVELY MOUNTED ON SAID DEVICE FOR ACTUATING SAID REAR BOOM SECTION IN ITS SAID SWINGING MOVEMENT; (F) AN EXTENSIBLE BOOM SECTION HVING ONE END OPERATIVELY MOUNTED TO THE OTHER END OF SAID REAR BOOM SECTION AND ADAPTED FOR EXTENSIBLE RETRACTIVE MOVEMENT RELATIVE TO THE SAID DISTAL END OF SAID REAR BOOM SECTION; (G) A FIRST GRAPPLE MEANS PIVOTALLY MOUNTED TO THE OPPOSITE DISTAL END OF SAID EXTENSIBLE BOOM SECTION AND INCLUDING (H) A PAIR OF CO-ACTING JAWS ADAPTED FOR MOVEMENT TOWARD AND AWAY FROM EACH OTHER; (I) MOTOR MEANS FOR ACTUATING SAID JAWS IN THEIR SAID MOVEMENT; (J) A SECOND LARGER GRAPPLE MEANS HAVING A WORK HANDLING CAPACITY AT LEAST TWICE THAT OF SAID FIRST GRAPPLE MEANS AND MOUNTED TO THE SAID OPPOSITE DISTAL END OF SAID REAR BOOM SECTION AND INCLUDING (K) A PAIR OF CO-ACTING JAWS ADAPTED FOR MOVEMENT TOWARD AND AWAY FROM EACH OTHER; (L) MOTOR MEANS FOR CONTROLLED ACTUATION OF THE SAID JAWS OF SAID SECOND GRAPPLE MEANS IN THEIR SAID MOVEMENT, WITH SAID FIRST AND SECOND GRAPPLE MEANS BEING ADAPTED FOR ALIGNMENT OF THE OPENINGS BETWEEN THEIR RESPECTIVE JAWS LONGITUDINALLY OF SAID EXTENSIBLE BOOM, AND A (M) MOTOR MEANS OPERATIVELY CONNECTED BETWEEN SAID REAR BOOM SECTION AND SAID EXTENSIBLE BOOM SECTION FOR REVERSIBLY EXTENDING SAID EXTENSIBLE BOOM SECTION AND CONCURRENTLY MOVING THE FIRST GRAPPLE MOUNTED THEREON RELATIVE TO SAID SECOND GRAPPLE WHEREBY SAID FIRST GRAPPLE IS ADAPTED TO AN ELONGATED OBJECT THEREON FOR ENGAGEMENT BY SECOND GRAPPLE.

Claim 2

A DEVICE FOR HANDLING ELONGATED OBJECTS COMPRISING (A) A MOBILE CARRIAGE; (B) BOOM SUPPORT MEANS; (C) AN EXTENSIBLE BOOM INCLUDING A (D) REAR BOOM SECTION PIVOTALLY MOUTNED AT ONE END TO SAID SUPPORT MEANS FOR SWINGING MOVEMENT IN A VERTICAL PLANE ABOUT A HORIZONTAL AXIS; (E) MOTOR MEANS OPERATIVELY MOUNTED ON SAID DEVICE FOR ACTUATING SAID REAR BOOM SECTION IN ITS SAID SWINGING MOVEMENT; (F) AN EXTENSIBLE BOOM SECTION HVING ONE END OPERATIVELY MOUNTED TO THE OTHER END OF SAID REAR BOOM SECTION AND ADAPTED FOR EXTENSIBLE RETRACTIVE MOVEMENT RELATIVE TO THE SAID DISTAL END OF SAID REAR BOOM SECTION; (G) A FIRST GRAPPLE MEANS PIVOTALLY MOUNTED TO THE OPPOSITE DISTAL END OF SAID EXTENSIBLE BOOM SECTION AND INCLUDING (H) A PAIR OF CO-ACTING JAWS ADAPTED FOR MOVEMENT TOWARD AND AWAY FROM EACH OTHER; (I) MOTOR MEANS FOR ACTUATING SAID JAWS IN THEIR SAID MOVEMENT; (J) A SECOND LARGER GRAPPLE MEANS HAVING A WORK HANDLING CAPACITY AT LEAST TWICE THAT OF SAID FIRST GRAPPLE MEANS AND MOUNTED TO THE SAID OPPOSITE DISTAL END OF SAID REAR BOOM SECTION AND INCLUDING (K) A PAIR OF CO-ACTING JAWS ADAPTED FOR MOVEMENT TOWARD AND AWAY FROM EACH OTHER; (L) MOTOR MEANS FOR CONTROLLED ACTUATION OF THE SAID JAWS OF SAID SECOND GRAPPLE MEANS IN THEIR SAID MOVEMENT, WITH SAID FIRST AND SECOND GRAPPLE MEANS BEING ADAPTED FOR ALIGNMENT OF THE OPENINGS BETWEEN THEIR RESPECTIVE JAWS LONGITUDINALLY OF SAID EXTENSIBLE BOOM, AND A (M) MOTOR MEANS OPERATIVELY CONNECTED BETWEEN SAID REAR BOOM SECTION AND SAID EXTENSIBLE BOOM SECTION FOR REVERSIBLY EXTENDING SAID EXTENSIBLE BOOM SECTION AND CONCURRENTLY MOVING THE FIRST GRAPPLE MOUNTED THEREON RELATIVE TO SAID SECOND GRAPPLE WHEREBY SAID FIRST GRAPPLE IS ADAPTED TO AN ELONGATED OBJECT THEREON FOR ENGAGEMENT BY SECOND GRAPPLE.