Tractor cab mounting apparatus

Claim 1

APPARATUS FOR MOUNTING IN A PIVOTABLY MOVABLE AND VERTICALLY ADJUSTABLE FASHION, AN ENCLOSED OPERATOR PROTECTING CAB ON A TRACTOR OF THE TYPE WHEREIN AN OPERATOR POSITION IS LOCATED GENERALLY ABOVE THE REAR AXLE HOUSING OF SAID TRACTOR AND BETWEEN THE REAR WHEELS AND REAR FENDERS THEREOF, COMPRISING: (A) A FIRST PAIR OF LONGITUDINALLY DISPOSED ANGLE MEMBERS RIGIDLY SECURED TO THE OPPOSITE BOTTOM SIDE EDGES OF SAID CAB IN A GENERALLY PARALLEL RELATIONSHIP; (B) A SECOND PAIR OF LONGITUDINALLY DISPOSED HORIZONTALLY POSITIONED ANGLE MEMBERS RIGIDLY SECURED TO THE INNER SURFACES OF SAID FENDERS IN A GENERALLY PARALLEL RELATIONSHIP, SAID FIRST PAIR OF ANGLE MEMBERS BEING LOCATED DIRECTLY ABOVE SAID SECOND PAIR OF ANGLE MEMBERS WITH SAID CAB IN A NORMAL OPERATOR PROTECTING POSITION; (C) A FRONT PAIR AND A REAR PAIR OF THREADED ANCHOR PINS EXTENDING VERTICALLY THROUGH OPENINGS IN THE FRONT AND REAR ENDS OF SAID SECOND PAIR OF MEMBERS; (D) MEANS THREADEDLY ATTACHED TO A LOWER PORTION OF EACH OF SAID ANCHOR PINS TO LOCK SAID ANCHOR PINS IN SELECTED POSITIONS WITH RESPECT TO SAID SECOND PAIR OF ANGLE MEMBERS, EACH OF SAID ANCHOR PINS THEREBY EXTENDING UPWARDLY FROM SAID ASSOCIATED ANGLE MEMBER OF SAID SECOND PAIR A SELECTED DISTANCE; (E) A SLEEVE MEMBER SECURELY ATTACHED TO THE UPPER END OF EACH OF SAID REAR PAIR OF ANCHOR PINS, SAID SLEEVE MEMBER HAVING A BORE THEREIN LAYING AT RIGHT ANGLES TO SAID ANCHOR PIN AND GENERALLY PARALLEL TO THE REAR AXLE OF SAID TRACTOR; (F) MOUNTING MEANS INCLUDING BOLT MEANS EXTENDING THROUGH OPENINGS IN THE REAR ENDS OF SAID FIRST PAIR OF ANGLE MEMBERS AND THROUGH SAID BORE OF SAID SLEEVE FOR PIVOTALLY SECURING SAID CAB TO SAID TRACTOR, SAID FRONT PAIR OF ANCHOR PINS EXTENDING UPWARDLY THROUGH OPENINGS IN SAID FIRST PAIR OF ANGLE MEMBERS; AND (G) FURTHER MEANS THREADEDLY ATTACHED TO AN UPPER PORTION OF SAID FRONT PAIR OF ANCHOR PINS TO LOCK SAID FIRST PAIR OF ANGLE MEMBERS A SELECTED DISTANCE ABOVE SAID SECOND PAIR OF ANGLE MEMBERS.