Cargo bracing equipment

Claim 1

A CROSSBAR FOR USE IN SUPPORTING AND BRACING FREIGHT IN FREIGHT RECEIVING CHAMBERS HAVING SUBSTANTIALLY DIFFERENTLY SPACED SUPPORTS AND ADAPTED IN EACH OF SAID CHAMBERS TO ACCOMMODATE ITSELF TO MINOR VARIATIONS IN THE SPACING BETWEEN THE SUPPORTS THEREIN, SAID CROSSBAR BEING ADAPTED TO EXTEND BETWEEN AND BE CONNECTED TO SAID SUPPORTS AND COMPRISING AN ELONGATED BAR BODY HAVING A SOCKET AT EACH END THEREOF, ONE OF SAID SOCKETS HAVING A LONGITUDINALLY EXTENDING SLOT AT ONE SIDE THEREOF COMMUNICATING WITH THE INTERIOR THEREOF AND THE OTHER OF SAID SOCKETS HAVING A PAIR OF LONGITUDINALLY SPACED APERTURES AT ONE SIDE THEREOF COMMUNICATING WITH THE INTERIOR THEREOF, A PAIR OF IDENTICAL END FITTINGS EACH HAVING A SHANK TELESCOPICALLY RECEIVED IN ONE OF SAID SOCKETS, PIN MEANS CARRIED BY SAID SHANK OF EACH END FITTING AND MOVABLE LATERALLY OF SAID SHANK TO AND FROM AN EXTENDED OPERATIVE POSITION IN WHICH SAID PIN MEANS OF THE ONE OF SAID END FITTINGS WHICH HAS ITS SHANK RECEIVED IN SAID ONE OF SAID SOCKETS PROJECTS INTO SAID SLOT AND IS ADAPTED TO ENGAGE SAID ONE OF SAID SOCKETS AT THE OPPOSITE ENDS OF SAID SLOT TO LIMIT TELESCOPIC MOVEMENT OF SAID ONE OF SAID END FITTINGS RELATIVE TO SAID ONE OF SAID SOCKETS AND WHEREIN SAID PIN MEANS OF THE OTHER OF SAID END FITTINGS, THE SHANK OF WHICH IS RECEIVED IN SAID OTHER OF SAID SOCKETS EXTENDS INTO ONE OF SAID LONGITUDINALLY SPACED APERTURES FOR SELECTIVELY CONNECTING SAID OTHER OF SAID END FITTINGS TO SAID OTHER OF SAID SOCKETS IN POSITIONS SPACED LONGITUDINALLY THEREOF, SAID PIN MEANS ALSO BEING MOVABLE TO A RETRACTED POSITION SUCH THAT SAID OTHER OF SAID END FITTINGS WHEN SAID PIN MEANS THEREOF IS IN SAID RETRACTED POSITION MAY BE MOVED TO MOVE THE SHANK THEREOF TELESCOPICALLY RELATIVE TO SAID OTHER OF SAID SOCKETS BETWEEN POSITIONS IN WHICH SAID PIN MEANS IS ALIGNED WITH SAID APERTURES.