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Claim 1

FOR USE IN A BOAT WITH A FORWARDLY AND UPWARDLY INCLINED PROPELLER SHAFT AND AN ENGINE ABOVE THE PROPELLER SHAFT WITH ITS DRIVE SHAFT EXTENDING HORIZONTALLY AND PROJECTING REARWARDLY, A MARINE V DRIVE TRANSMISSION INCLUDING A PRIMARY HOUSING, AN UPPER HORIZONTAL INPUT SHAFT ROTATABLY CARRIED BY THE HOUSING AND PROJECTING REARWARDLY THEREFROM TO CONNECT WITH THE DRIVE SHAFT, A LOWER, DOWNWARDLY AND RERAWARDLY INCLINED DRIVEN SHAFT ROTATABLY CARRIED BY THE PRIMARY HOUSING AND HAVING A REAR PORTION WITH A CENTRAL REARWARDLY OPENING PILOT-BEARING RECEIVING SOCKET PROJECTING REARWARDLY FROM THE PRIMARY HOUSING, AND MESHED GEARS ON THE INPUT AND DRIVE SHAFTS WITHIN THE PRIMARY HOUSING AND ESTABLISHING DRIVING ENGAGEMENT THEREBETWEEN, A SECONDARY HOUSING FIXED TO AND PROJECTING REARWARDLY AND DOWNWARDLY FROM THE LOWER PORTION OF THE PRIMARY HOUSING TO RECEIVE THE REAR PORTION OF A DRIVEN SHAFT AND HAVING AN OUTPUT SHAFT RECEIVING OPENING IN ITS REAR END CONCENTRIC WITH THE DRIVEN SHAFT AND A BEARING RECEIVING SOCKET IN ITS REAR END, AN ANTI-FRICTION PILOT BEARING IN THE SOCKET IN THE REAR END OF THE DRIVEN SHAFT, AN ANTI-FRICTION SHAFT BEARING IN THE SOCKET IN THE SECONDARY HOUSING, AN ELONGATE OUTPUT SHAFT EXTENDING AXIALLY THROUGH AND PROJECTING REARWARDLY FROM THE SECONDARY HOUSING TO CONNECT WITH THE PROPELLER SHAFT AND ROTATABLY SUPPORTED BY SAID PILOT AND SHAFT BEARINGS, A FORWARD BEVEL GEAR WITH REARWARDLY OPENING DOG RECEIVING RECESSES FIXED TO THE REAR PORTION OF THE DRIVEN SHAFT WITHIN THE SECONDARY HOUSING, A SECOND ANTI-FRICTION BEARING IN SAID SOCKET IN THE REAR END OF THE SECONDARY HOUSING, A REAR BEVEL GEAR ROTATABLY SUPPORTED BY SAID SECOND BEARING AND HAVING A CENTRAL OPENING FREELY RECEIVING THE OUTPUT SHAFT, AN IDLER GEAR ROTATABLY SUPPORTED IN FIXED POSITION WITHIN THE SECONDARY HOUSING AT ONE SIDE THEREOF ON AN AXIS NORMAL TO THE AXIS OF THE OUTPUT SHAFT AND ENGAGED WITH THE BEVEL GEARS, A CARRIAGE WITH FORWARDLY AND REARWARDLY PROJECTING DOGS IN SPLINED ENGAGEMENT ON THE OUTPUT SHAFT BETWEEN THE FORWARD AND REAR BEVEL GEARS AND SHIFTABLE AXIALLY THEREON TO SELECTIVELY SHIFT THE DOGS INTO AND OUT OF ENGAGEMENT IN THE RECESSES IN THE BEVEL GEAR, AND MANUALLY OPERABLE SHIFTING MEANS TO SHIFT THE CARRIAGE.