Power driven steerable wheel assembly

Claim 1

IN A POWER DRIVEN STEERABLE WHEEL ASSEMBLY THE COMBINATION COMPRISING, A SPINDLE BRACKET HAVING A BODY PORTION WITH AN UPPER ARM MEMBER AND A LOWER ARM MEMBER EXTENDING LATERALLY FROM ONE SIDE OF SAID BODY PORTION, SAID ARM MEMBERS ARRANGED IN SPACED RELATION TO EACH OTHER, SAID SPINDLE BRACKET BODY PORTION HAVING A RECESSED PORTION OPPOSITE SAID LATERALLY EXTENDING ARMS AND A HORIZONTAL PASSAGEWAY THERETHROUGH, A DIFFERENTIAL MEMBER POSITIONED IN SAID RECESSED PORTION AND SECURED TO SAID SPINDLE BRACKET BODY PORTION, SAID DIFFERENTIAL MEMBER HAVING AN OUTPUT SHAFT EXTENDING LATERALLY THEREFROM THROUGH SAID HORIZONTAL PASSAGEWAY, SAID SPINDLE BRACKET LATERALLY EXTENDING UPPER ARM MEMBER HAVING AN END PORTION WITH A VERTICAL PASSAGEWAY THERETHROUGH, SAID SPINDLE BRACKET LOWER ARM HAVING AN END PORTION WITH A DOWNWARDLY PROJECTING PIN PORTION, SAID PIN PORTION ALIGNED WITH SAID PASSAGEWAY IN SAID UPPER ARM MEMBER, A SPINDLE MEMBER HAVING A BODY PORTION WITH A CYLINDRICAL SIDE WALL, A FRONT WALL AND A REAR WALL, SAID SPINDLE MEMBER BODY PORTION HAVING A HORIZONTALLY EXTENDING MAIN SHAFT PASSAGEWAY EXTENDING THERETHROUGH PARALLEL TO AND SPACED BELOW THE LONGITUDINAL AXIS OF SAID SPINDLE MEMBER BODY PORTION, SAID SPINDLE MEMBER BODY PORTION HAVING AN UPPER ARM MEMBER AND A LOWER ARM MEMBER EXTENDING LATERALLY FROM SAID BODY PORTION REAR WALL, SAID ARM MEMBERS ARRANGED IN SPACED RELATION TO EACH OTHER WITH SAID MAIN SHAFT PASSAGEWAY THEREBETWEEN, SAID SPINDLE MEMBER UPPER ARM MEMBER HAVING AN END PORTION WITH AN UPWARDLY PROJECTING PIN PORTION, SAID SPINDLE MEMBER LOWER ARM MEMBER HAVING AN END PORTION WITH A VERTICAL PASSAGEWAY THERETHROUGH ALIGNED WITH SAID UPPER ARM MEMBER UPWARDLY PROJECTING PIN PORTION, SAID SPINDLE MEMBER HAVING SAID UPPER ARM UPWARDLY PROJECTING PIN PORTION POSITIONED IN SAID SPINDLE BRACKET UPPER ARM VERTICAL PASSAGEWAY AND SAID SPINDLE BRACKET LOWER ARM DOWNWARDLY PROJECTING PIN PORTION POSITIONED IN SAID SPINDLE MEMBER LOWER ARM VERTICAL PASSAGEWAY TO THEREBY PIVOTALLY CONNECT SAID SPINDLE MEMBER TO SAID SPINDLE BRACKET MEMBER FOR PIVOTAL MOVEMENT OF SAID SPINDLE MEMBER ABOUT THE ALIGNED VERTICAL AXES OF SAID UPWARDLY EXTENDING PIN PORTION ON SAID SPINDLE MEMBER UPPER ARM AND SAID DOWNWARDLY EXTENDING PIN PORTION ON SAID SPINDLE BRACKET LOWER ARM MEMBER, SAID SPINDLE MEMBER BODY PORTION HAVING A VERTICAL CHAMBER OPENING INTO SAID MAIN SHAFT PASSAGEWAY, SAID SPINDLE BODY PORTION HAVING AN OPENING INTO SAID CHAMBER ADJACENT THE UPPER PORTION THEREOF, SAID SPINDLE MEMBER BODY PORTION HAVING AN IDLER SHAFT PASSAGEWAY POSITIONED ABOVE SAID MAIN SHAFT PASSAGEWAY IN SPACED PARALLEL RELATION THERETO,