Temperature measurement and control

Claim 1

APPARATUS FOR MEASURING THE SURFACE TEMPERATURE OF A HEATED-ROTATABLE MEMBER, SAID MEMBER BEING DRIVEN FROM ONE END AND HAVING POCKETS BENEATH SAID SURFACE ARRANGED SUBSTANTIALLY PARALLEL TO THE AXIS OF ROTATION OF AND MEMBER AND HAVING ENTRANCES AT THE END OF SAID MEMBER REMOTE FROM SAID DRIVEN END COMPRISING IN COMBINATION, A MEANS COMPRISING THE END FACE OF SAID MEMBER REMOTE FROM SAID DRIVEN END AND A SENSOR HEAD MOUNTED FOR FREE ROTATION, AND END FACE MEANS AND SAID SENSOR HEAD HAVING MUTUALLY CO-OPERATING MALE AND FEMALE HEAD CENTERING MEANS AND MALE AND FEMALE TORQUETRANSMISSION AND GRADUAL SPEED SYNCHRONIZATION MEANS, SAID MALE PARTS OF SAID TORQUE TRANSMITTING AND GRADUAL SPEED SYNCHRONIZATION MEANS BEING RESILIENTLY YEILDABLY MOUNTED AND PRESENTING OBLIQUE ABUTMENT SURFACES TO THE ASSOCIATED FEMALE PARTS WHENEVER AND MALE AND FEMALE PARTS ATE IN REGISTER, AND SENSOR HEAD CARRYING FOR ROTATION THEREWITH TEMPERATURE SENSING MEANS, SAID SENSING MEANS BEING MOVEABLE IN A DIRECTION PARALLEL TO SAID AXIS OF ROTATION WITH RESPECT TO SAID HEAD FROM A POSITION WHEREIN SAID TEMPERATURE SENSING MEANS DOES NOT INTRUDE INTO SAID POCKETS TO A POSITION WHEREIN, UPON SAID SPEED SYNCHRONIZATION, SAID TEMPERATURE MEASURING MEANS DOES INTRUDE INTO SAID POCKETS, SAID SENSOR HEAD OTHER THAN SAID SENSING MEANS BEING SUBSTANTIALLY THERMALLY ISOLATED FROM SAID MEMBER AND SAID SENSING MEANS BEING ADAPTED FOR CONNECTION TO TEMPERATURE INDICATING MEANS.