Steerable dolly

Claim 1

A STEERABLE DOLLY FOR TRAILERS HAVING A BODY WITH A TONGUE EXTENDING FORWARD FROM THE FRONT END OF SAID BODY, A TRANVERSE AXLE DISPOSED FORWARD OF THE FRONT END OF SAID BODY, WHEELS ON THE ENDS OF SAID AXLE ATTACHED BY KNUCKLE JOINTS INCLUDING VERTICAL KING PINS, MEANS FOR ATTACHING SAID AXLE TO SAID BODY INCLUDING SPRING ATTACHMENT FITTINGS SECURED TO SAID AXLE AT POINT EQUI-DISTANT FROM THE CENTER THEREOF, LEAF SPRINGS ATTACHED AT THEIR FORWARD ENDS TO SAID FITTINGS, A TRANSVERSE SHAFT JOURNALLED IN THE FRONT END OF SAID TRAILER BODY, SAID SPRINGS BEING ATTACHED TO SAID SHAFT AT THEIR BUTT ENDS, RADIUS RODS ATTACHED TO SAID ATTACHMENT FITTINGS AT POINTS ABOVE SAID SPRINGS AND EXTENDING REARWARDLY SUBSTANTIALLY PARALLEL TO SAID SPRINGS AND PIVOTALLY ATTACHED TO THE SAID BODY AT THEIR REAR ENDS, A PULLING TONGUE AT THE FORWARD END OF SAID BODY HAVING A SOCKET FOR BALL POINT ATTACHMENT TO A TRUCK, A RISER AT THE REAR END OF SAID PULLING TONGUE PIVOTALLY ATTACHED TO THE FRONT END OF SAID TRAILER BODY TONGUE, A CRANK ATTACHED TO THE MID-PORTION OF SAID SPRING SUPPORTING SHAFT, A HYDRAULIC RAM HAVING A CYLINDER AND PISTON OPERATIVELY CONNECTED BETWEEN THE END OF SAID LEVER AND SAID TONGUE; A TRUCK HAVING A TOWING BAR, A STEERING BAR PIVOTALLY ATTACHED TO THE FORE PART OF SAID TONGUE HAVING AN ECCENTRICALLY POSITIONED ATTACHMENT TO SAID TRUCK TOWING BAR, AND CABLES CONNECTING THE ENDS OF SAID STEERING BAR TO SAID WHEELS TO EFFECT STEERING; TOGETHER WITH MECHANISM FOR CONTROLLING SAID HYDRAULIC RAM TO OPERATE THE LEVER CONNECTED THEREWITH TO RAISE AND LOWER SAID SPRINGS.