Cargo handling device

Claim 1

IN A CARGO HANDLING DEVICE, THE COMBINATION OF AN AIRCRAFT FUSELAGE SUBSTANTALLY ELLIPTICAL IN CONFIGURATION AN ARCUATE CHANNEL MEMBER ATTACHED WITHIN AND ON ONE SIDE OF SAID FUSELAGE, A CARGO PASSAGEWAY ON THE OTHER SIDE OF SAID FUSELAGE, A BEAM PIVOTALLY AND ADJUSTABLY MOUNTED AT ONE END THEREOF TO THE ARCUATE CHANNEL MEMBER AND EXTENDING THROUGH AND BEYOND SAID CARGO PASSAGEWAY, AN EYE CARRIED BY SAID BEAM AT ONE END THEREOF AND DISPOSED BETWEEN THE FLANGES OF SAID CHANNEL MEMBER, SAID CHANNEL MEMBER HAVING A PLURALITY OF MUTUALLY SPACED APERTURES THEREIN AND COOPERATING WITH SAID EYE, A PIN SELECTIVELY POSITIONED IN SAID APERTURES AND THE EYE ON THE BEAM FOR PIVOTALLY AND ADJUSTABLY MOUNTING THE BEAM ON THE CHANNEL MEMBER, A CARRIAGE MOVABLY MOUNTED TO RECIPROCATE ALONG THE BEAM, A SPRING-BIASED LEVER PIVOTALLY MOUNTED ON SAID CARRIAGE, A BRAKE SHOE CARRIED BY SAID LEVER AND ENGAGEABLE WITH THE BEAM TO LOCK SAID CARRIAGE AT A DESIRED POSITION ALONG THE BEAM, A FLEXIBLE BRAKE CONTROL ELEMENT HVING ONE END SECURED TO SAID LEVER AND THE OTHER END THEREOF SECURED TO AN ACTUATING MEMBER IN THE BODY FOR SELECTIVELY DISENGAGING THE BRAKE SHOE FROM THE BEAM WHEREBY THE CARRIAGE MAY BE MOVED ALONG THE BEAM TO THE LOCKED POSITIONS, A PIVOTED ARM RESILIENTLY MOUNTED AT ONE END ON THE BEAM AND HAVING AN EYELET AT THE OTHER END THEREOF FOR RECEIVING SAID FLEXIBLE ELEMENT, SAID ARM BEING MOVABLE IN A CLOCKWISE DIRECTION TO TAKE UP THE SLACK IN THE FLEXIBLE ELEMENT AS THE CARRIAGE MOVES ALONG THE BEAM IN THE DIRECTION TOWARD THE PIVOTAL AND ADJUSTABLE END THEREOF, A POWER HOIST MOUNTED ON THE EXTERIOR OF THE FUSELAGE ABOVE SAID CARGO PASSAGEWAY AND OPERATIVELY CONNECTED TO SAID BEAM NEAR THE FREE END THEREOF FOR CONTROLLING THE MOVEMENT OF THE BEAM DURING A CARGO HANDLING OPERATION, AND MEANS CONNECTING SAID POWER HOIST TO THE BEAM.