Hydraulic controlled gauge and furrow wheel

Claim 1

IN A FURROW-FORMING IMPLEMENT HAVING AN ELONGATED TOOL-CARRYING FRAME INCLUDING HITCH MEANS AT ITS FORWARD END ADAPTED FOR CONNECTION TO A TRACTOR, A REAR FURROW WHEEL ADAPTED TO RIDE IN THE FURROW MOUNTED ON THE REAR END OF THE FRAME FOR VERTICAL MOVEMENT RELATIVE TO THE FRAME BETWEEN OPERATING AND TRANSPORT POSITIONS AND A GAUGE WHEEL ARRANGED TO RIDE UPON THE LAND MOUNTED ON THE FRAME FOR VERTICAL MOVEMENT RELATIVE THERETO TO ADJUST THE OPERATING DEPTH OF THE IMPLEMENT, THE MOUNTING OF SAID REAR FURROW WHEEL ON THE FRAME INCLUDING MEANS ACCOMMODATING FREE VERTICAL FLOATING MOVEMENT OF THE REAR FURROW WHEEL RELATIVE TO THE FRAME IN THE OPERATING POSITION OF THE IMPLEMENT, A HYDRAULIC CYLINDER MOUNTED ON THE REAR PORTION OF THE FRAME HAVING PARTS RELATIVELY MOVABLE UPON ACTUATION OF SAID CYLINDER, MEANS OPERATIVELY CONNECTING ONE OF SAID PARTS TO SAID GAUGE WHEEL FOR VERTICALLY ADJUSTING THE LATTER, INDEPENDENTLY OF SAID REAR FURROW WHEEL IN THE OPEATING POSITION OF THE IMPLEMENT, SAID ONE OF SAID PARTS BEING MOVABLE IN ONE DIRECTION TO LOWER SAID GAUGE WHEEL AND RAISE THE FRAME TO ITS TRANSPORT POSITION, AND MEANS FORMING A LOST-MOTION CONNECTION BETWEEN SAID ONE OF SAID PARTS AND SAID REAR FURROW WHEEL, SAID LOST-MOTION CONNECTION BEING EFFECTIVE AFTER A PREDETERMINED RELATIVE MOVEMENT OF SAID ONE OF SAID PARTS IN SAID ONE DIRECTION TO LOWER SAID REAR FURROW WHEEL.