Boat trailer

Claim 1

A TRAILER FOR TRANSPORTING BOATS COMPRISING A TWOWHEELED BED FOR SUPPORTING A BOAT, A TELESCOPING BOOM ASSEMBLY ATTACHED TO SAID BED AND EXTENDING GENERALLY ALONG THE LONGITUDINAL AXIS THEREOF, SAID BOOM ASSEMBLY COMPRISING AN OUTER TUBULAR MEMBER OF SUBSTANTIALLY THE SAME LENGTH AS SAID TRAILER, AN INNER MEMBER NESTED WITHIN SAID OUTER MEMBER AND MOVABLE FROM A NESTED TO AN EXTENDED POSITION WITH RESPECT THERETO, LOCKING MEANS DEFINING SAID NESTED POSITION AND SAID EXTENDED POSITION OF SAID INNER MEMBER, SAID INNER MEMBER HAVING AN ARTICULATED JOINT THEREIN ADJACENT ONE OF ITS ENDS AND HAVING MEANS FOR ATTACHMENT TO A PRIME MOVER AT ITS OPPOSITE END, THE PIVOTAL AXIS OF SAID ARTICULATED JOINT BEING DISPOSED BEYOND THE END OF SAID OUTER TUBULAR MEMBER WHEN SAID INNER MEMBER IS IN SAID EXTENDED POSITION, AND A SUPPORT CASTER ADJUSTABLY MOUNTED ON SAID OUTER MEMBER ADJACENT SAID OPPOSITE END OF SAID INNER MEMBER WHEN SAID INNER MEMBER IS IN SAID NESTED POSITION, SAID CASTER BEING VERTICALLY ADJUSTABLE TO PROVIDE A SUPPORT POINT FOR SAID BOOM ASSEMBLY, WHEREBY WHEN SAID INNER MEMBER IS MOVED TO SAID EXTENDED POSITION ITS ARTICULATED JOINT IS REMOVED FROM SAID OUTER TUBULAR MEMBER TO PERMIT INCLINATION OF SAID OUTER MEMBER AND THE TRAILER BED WITH RESPECT TO SAID INNER MEMBER TO THEREBY FACILITATE LAUNCHING OR RECOVERY OF A BOAT FROM THE TRAILER.