Boat support for trailers

Claim 1

IN A BOAT TRAILER: A RIGID WHEELED SUPPORTING FRAME FOR CONNECTION TO A TOWING VEHICLE COMPRISING A PAIR OF IDENTICAL REARWARDLY PROTRUDING LONGITUDINAL FRAME MEMBERS, THE REAR PORTIONS OF SAID FRAME MEMBERS BEING OPEN AND UNCONNECTED; A PAIR OF IDENTICAL LONGITUDINAL MEMBERS RESPECTIVELY SUPPORTED ON SAID FRAME MEMBERS FOR INDEPENDENT PIVOTAL ROTATION ABOUT A COMMON TRANSVERSE AXIS LOCATED ADJACENT THE REAR ENDS OF SAID FRAME MEMBERS, SAID LONGITUDINAL MEMBERS EACH BEING PIVOTALLY MOUNTED INTERMEDIATE ITS ENDS IN IDENTICAL FASHION AND EACH BEING EXTENDED REARWARDLY OF SAID FRAME MEMBERS AN IDENTICAL DISTANCE; A PAIR OF DIVERGING ARMS MOUNTED RESPECTIVELY AT EACH END OF EACH OF SAID LONGITUDINAL MEMBERS, EACH PAIR OF SAID ARMS BEING INDEPENDENTLY ROTATABLE ABOUT AN AXIS EXTENDING PARALLEL TO THE LONGITUDINAL MEMBER ON WHICH IT IS MOUNTED, THE OUTER ENDS OF EACH PAIR OF SAID ARMS TERMINATING IN TWO SPACED PARALLEL SECTIONS; AND A ROLLER MOUNTED RESPECTIVELY ON EACH SIDE OF SAID PARALLEL SECTIONS, EACH OF SAID ROLLERS BEING ROTATABLY JOURNALLED IN SPACED PAIRS ON AN INDIVIDUAL CROSSSHAFT JOURNALLED AT ITS MIDPOINT ON THE PARALLEL SECTION ON WHICH IT IS MOUNTED, SAID ROLLERS BEING ADAPTED TO CONTACT THE HULL OF THE BOAT BEING DRAWN IN A FORWARD DIRECTION RELATIVE TO SAID FRAME, THERE BEING NO ADDITIONAL BOAT CONTACTING ELEMENTS MOUNTED ON SAID FRAME INTERMEDIATE SAID LONGITUDINAL MEMBERS OTHER SAID ROLLERS.