Extensible boom and belt for orchard apparatus

Claim 1

ORCHARD APPARATUS COMPRISING A MOBILE CARRIAGE, A PLURALITY OF LONGITUDINALLY EXTENSIBLE BOOMS EACH MOUNTED FOR PIVOTAL MOVEMENT ABOUT A HORIZONTAL PIVOT AXIS CARRIED BY A BASE SUPPORTING MEMBER MOUNTED UPON THE CARRIAGE AND PIVOTALLY MOVABLE RELATIVE THERETO ABOUT A VERTICAL AXIS WHEREBY EACH BOOM MAY BE INDEPENDENTLY MOVED THROUGH DESIRED DEGREES OF VERTICAL AND HORIZONTAL ANGULAR ADJUSTMENT, A PLURALITY OF CONVEYOR BELT-ENGAGING PULLEYS MOUNTED ADJACENT THE END PORTIONS OF EACH BOOM, SAID PULLEYS BEING POSITIONED IN PAIRS IN SPACED RELATION IN VERTICAL PLANES ADJACENT TO OPPOSITE SIDES OF THE BOOM, A TAKE-UP MEMBER MOUNTED IN ASSOCIATION WITH EACH BOOM FOR MOVEMENT LONGITUDINALLY THEREOF, TAKE-UP PULLEYS MOUNTED IN PAIRS UPON THE TAKE-UP MEMBER, SAID TAKE-UP PULLEYS BEING POSITIONED IN THE SPACED VERTICAL PLANES DEFINED BY THE BELT-ENGAGING PULLEYS, AN ENDLESS BELT CONVEYOR EXTENDING OVER THE PULLEYS, SAID BELT CONVEYOR BEING PROVIDED WITH FLANGES EXTENDING ALONG ITS EDGES AND PROJECTING FROM THE UPPER AND LOWER FACES THEREOF INTO ENGAGEMENT WITH GROOVES FORMED IN THE PULLEYS, LOOPS OF SAID BELT CONVEYOR BEING EXTENDED OVER THE TAKE-UP PULLEYS ON THE TAKE-UP MEMBER, AND MEANS UPON EACH BOOM OPERTING IN RESPONSE TO RETRACTION AND EXTENSION THEREOF FOR MOVINT THE TAKE-UP MEMBER TO SHORTEN AND LENGTHEN THE LOOPS IN CONFORMITY WITH THE EXTENSION AND RETRACTION OF THE BOOM.