Drive for machine tools

Claim 1

A MECHANICAL DRIVE UNIT FOR MACHINE TOOLS AND THE LIKE COMPRISING A HOUSING AN OPEN FRONT END NORMALLY CLOSED BY A REMOVABLE COVER; TRANSVERSE AND FEED MOTORS MOUNTED SIDE BY SIDE IN SAID HOUSING IN SPACED APART RELATION AND EACH HAVING A DRIVE SHAFT EXTENDING FORWARDLY TOWARD AND TERMINATING IN PROXIMITY TO THE OPEN END OF SAID HOUSING; A BRAKE MECHANISM ON SAID COVER HAVING AN OUTPUT SHAFT DETACHABLY COUPLED TO THE DRIVE SHAFT OF SAID TRAVERSE MOTOR, SAID OUTPUT SHAFT OF SAID BRAKE MECHANISM BEING JOURNALED FOR ROTATION IN SAID COVER AND ROTATABLY SUPPORTING THE COUPLED END OF SAID TRANSVERSE MOTOR DRIVE SHAFT AND BEING AUTOMATICALLY DISENGAGEABLE THEREFROM UPON REMOVAL OF SAID COVER; SUPPORT MEANS MOUNTED IN SAID HOUSING BEHIND AND SPACED FROM SAID COVER, SAID SUPPORT MEANS CARRYING BEARINGS RECEIVING AND ROTATABLY SUPPORTING THE DRIVE SHAFT OF SAID TRAVERSE MOTOR; DRIVE PINIONS ON THE DRIVE SHAFTS OF SAID TRAVERSE AND FEED MOTORS FORWARDLY OF SAID SUPPORT MEANS AND BEHIND SAID COVER; A SPEED REDUCER DISPOSED IN THE HOUSING BETWEEN SAID COVER AND SAID SUPPORT MEANS AND BETWEEN SAID DRIVE SHAFTS, SAID SPEED REDUCER HAVING A FORWARDLY EXTENDING INPUT SHAFT HAVING ONE END THEREOF REMOVABLY JOURNALED IN SAID COVER, A REARWARDLY EXTENDING OUTPUT SHAFT PROJECTING FROM THE REARWARD END OF SAID HOUSING AND JOURNALED FOR ROTATION THEREIN AT SPACED POINTS BEHIND SAID SUPPORT MEANS,