Adjustable load bracing bar for vehicles

Claim 1

AN ADJUSTABLE LOAD BRACING BAR INCLUDING A PAIR OF TUBULAR MAIN MEMBERS COMPRISING A LARGER DIAMETER MEMBER AND A SMALLER DIAMETER MEMBER IN TELESCOPING RELATIONSHIP, A LOCKING MEMBER IN SAID SMALLER DIAMETER MEMBER, SAID LOCKING MEMBER HAVING A PAIR OF DIAMETRICALLY OPPOSITE OUTWARDLY EXTENDING END PORTIONS, SAID SMALLER DIAMETER MEMBER HAVING A PAIR OF APERTURES THROUGH WHICH SAID END PORTIONS OF SAID LOCKING MEMBER EXTEND, SAID LARGER DIAMETER MEMBER HAVING A PLURALITY OF PAIRS OF DIAMETRICALLY OPPOSITE HOLES ADAPTED TO RECEIVE THE TIPS OF SAID END PORTIONS OF SAID LOCKING MEMBER, THE END SURFACES OF SAID TIPS BEING SLOPED SO AS TO ENABLE SAID TIPS TO BE MOVED ONTO THE INNER WALL OF SAID LARGER DIAMETER MEMBER WHEN SAID INNER SMALLER DIAMETER MEMBER IS GIVEN RELATIVE MOVEMENT LONGITUDINALLY IN ONE DIRECTION WITH RESPECT TO SAID OUTER LARGER DIAMETER MEMBER, A THIRD SPRING-ACTUATED TELESCOPING MEMBER ON THE OUTER END OF ONE OF SAID MAIN MEMBERS, AND A PAIR OF CAPS ON THE OUTER ENDS OF SAID OTHER MAIN MEMBER AND SAID THIRD TELESCOPING MEMBER RESPECTIVELY, SAID CAPS HAVING MEANS FOR ENGAGING THE ADJACENT WALL SURFACES WHEN SAID LOAD BRACING BAR IS SET IN POSITION EXTENDING ACROSS BETWEEN THE SIDE WALLS OF A LOAD-CARRYING VEHICLE.