Arrangement to bed flexible lines in the ground under water

Claim 1

IN AN ARRANGEMENT TO FLUSH-BED FLEXIBLE LINES, ESPECIALLY PLASTIC PIPES, ELECTRIC CABLES OR THE LIKE UNDERGROUND AT THE BOTTOM OF WATERS, A SLED MEMBER ADAPTED TO BE MOVED ALONG THE WATER BOTTOM IN A FLUSH-BEDDING DIRECTION, A CRADEL MEMBER, MEANS ROTATABLY SUPPORTING SAID CRADLE MEMBER ON SAID SLED MEMBER, POWER MEANS ADAPTED TO ROTATE SAID CRADLE MEMBER ON SAID SLED MEMBER FROM A FIRST POSITION TO A SECOND POSITION AND ADAPTED TO SELECTIVELY HOLD SAID CRADLE MEMBER IN SAID FIRST OR SAID SECOND POSITION OR IN ANY INTERMEDIATE POSITION THEREBETWEEN, A FLUSH-BEDDING STAND HAVING LONGITUDINALLY EXTENDING FIRST AND SECOND CHANNEL STRUCTURES EACH HAVING AN INLET DEFINED THEREIN, MEANS DETACHABLY CONNECTING SAID CRADLE MEMBER TO SAID FLUSH-BEDDING STAND ADJACENT SAID INLET OPENINGS, SAID FLUSH-BEDDING STAND PROJECTING DOWNWARD FROM THE UNDERSIDE OF SAID SLED MEMBER WHEN SAID CRADLE MEMBER IS IN SAID FIRST POSITION AND EXTENDING ABOVE SAID SLED UNDERSIDE WHEN SAID CRADLE MEMBER IS IN SAID SECOND POSITION, MEANS FEEDING A PRESSURIZED FLUID TO SAID INLET OF SAID FIRST CHANNEL STRUCTURE, A PLURALITY OF OUTLET NOZZLES DEFINED IN SAID STAND IN COMMUNICATION WITH SAID FIRST CHANNEL STRUCTURE AND AT LEAST PARTIALLY DIRECTED TOWARD SAID FLUSH-BEDDING DIRECTION WHEN SAID CRADLE MEMBER IS IN SAID FIRST POSITION, MEANS FEEDING AT LEAST ONE FLEXIBLE LINE TO SAID INLET OF SAID SECOND CHANNEL STRUCTURE, AND AN OUTLET DEFINED IN SAID STAND SECOND CHANNEL STRUCTURE AT THE END OPPOSITE SAID INLET OF SAID SECOND CHANNEL STRUCTURE AND EXTENDING IN THE DIRECTION OPPOSITE SAID FLUSH-BEDDING DIRECTION WHEN SAID CRADLE MEMBER IS IN SAID FIRST POSITION.