Apparatus for driving paper making machines and the like

Claim 1

IN A POWER TRANSMISSION DEVICE FOR DRIVING PAPER MAKING MACHINES AND THE LIKE, A SYNCHRONOUS MOTOR HAVING A CASING AND A HOLLOW MOTOR SHAFT PROJECTING FROM EACH END OF SAID CASING, AN OUTPUT SHAFT COAXIAL WITH SAID HOLLOW MOTOR SHAFT AND SPACED THEREFROM, A PRIMARY VARIABLE SPEED DRIVE UNIT INCLUDING A CASING JOURNALLED FOR ROTATION ABOUT A HORIZONTAL AXIS AND HAVING SAID OUTPUT SHAFT JOURNALLED THEREIN AND EXTENDING THEREFROM, A COUPLING CONNECTING ONE END OF SAID HOLLOW MOTOR SHAFT WITH SAID CASING, A CONTROL SHAFT EXTENDING THROUGH SAID HOLLOW MOTOR SHAFT BEYOND OPPOSITE ENDS THEREOF AND HAVING ONE END JOURNALLED IN SAID CASING HAVING A PINION THEREON WITHIN SAID CASING, A RING GEAR WITHIN SAID CASING AND ROTATABLY DRIVEN THEREBY, A CAGE ROTATABLY JOURNALLED WITHIN SAID CASING AND FORMING A DRIVE MEMBER FOR SAID OUTPUT SHAFT AND HAVING AT LEAST ONE PLANETARY PINION JOURNALLED THEREIN MESHING WITH SAID INTERNAL GEAR, A GEARED DRIVE CONNECTION BETWEEN SAID PINION ON SAID CONTROL SHAFT AND SAID PLANETARY PINION, A SECONDARY VARIABLE SPEED DRIVE UNIT ON THE OPPOSITE SIDE OF SAID MOTOR FROM SAID CASING, A GEARED DRIVE CONNECTION FROM SAID HOLLOW MOTOR SHAFT TO SAID SECONDARY VARIABLE SPEED DRIVE UNIT, AND A GEARED DRIVE CONNECTION FROM SAID SECONDARY VARIABLE SPEED DRIVE UNIT TO SAID CONTROL SHAFT FOR DRIVING SAID CONTROL SHAFT TO VARY THE OUTPUT SPEED OF SAID PLANETARY GEARED DRIVE UNIT AND THE SPEED OF ROTATION OF SAID OUTPUT SHAFT.