Bearing race counter rotation apparatus for gyros

Claim 1

IN A GYROSCOPE APPARATUS INCLUDING A GIMBAL, SHAFTS FOR SUPPORTING THE GIMBAL OF A GYROSCOPE, ROTARY ANTIFRACTION BEARINGS FOR SUPPORTING SAID SHAFTS AND COMPRISING INNER AND OUTER RACES, AND MEANS FOR OSCILLATING SAID OUTER RACES IN OPPOSITE DIRECTIONS COMPRISING A MOTOR HAVING OPPOSITELY EXTENDING SPUR PINION SHAFTS, A PAIR OF SPUR GEAR TRAIN MEANS, EACH OPERATIVELY CONNECTED WITH ONE OF SAID SPUR PINION SHAFTS, A FIRST HOUSING MEMBER HAVING AN OPENING THERETHROUGH, BEARING MEANS IN SAID OPENING AND SUPPORTING A HOLLOW SHAFT, A SPUR RING GEAR OUTWARDLY OF SAID HOUSING MEMBER CONNECTED WITH SAID HOLLOW SHAFT AND IN ENGAGEMENT WITH ONE SAID SPUR GEAR TRAIN MEANS, SAID HOLLOW SHAFT AT THE INNER END THEREOF SUPPORTING THE OUTER RACE OF ONE SAID ROTARY ANTI-FRICTION BEARING, A SECOND HOUSING MEMBER HAVING A CENTRAL OPENING IN ALIGNMENT WITH SAID GYROSCOPE GIMBAL SHAFTS, BEARING MEANS IN SAID LAST MENTIONED OPENING SUPPORTING A HOLLOW SHAFT, SAID SCOND HOUSING HAVING AN OPENING IN THE SIDE THERE, A SPUR RING GEAR LOCATED ADJACENT SAID HOUSING AND CONNECTED WITH SAID SECOND HOLLOW SHAFT, SAID SPUR RING GEAR BEING IN ENGAGEMENT WITH SAID SECOND SPUR GEAR TRAIN MEANS THROUGH SAID SIDE OPENING THROUGH THE HOUSING, SAID SECOND HOLLOW SHAFT AT THE INNER END THEREOF SUPPORTING THE OUTER RACE OF THE OTHER SAID ROTARY ANTI-FRICTION BEARING, THIRD SPUR GEAR TRAIN MEANS IN ENGAGEMENT WITH SAID FIRST MENTIONED SPUR RING GEAR AND IN DRIVING RELATION WITH SWITCH MEANS FOR THE MOTOR, THE NUMBER OF SHAFTS IN ONE OF SAID SPUR GEAR TRAIN MEANS BEING AN EVEN NUMBER, AND THE NUMBER OF SHAFTS IN THE OTHER OF SAID SPUR GEAR TRAIN MEANS BEING AN ODD NUMBER.