Electrigxmotorxdrlven eva evacuated high speed rotating system for cameras

Claim 1

THE MOTOR-DRIVEN VACUUM CAMERA WHICH COMPRISES: AN AIR-TIGHT HOUSING HAVING A TRANSPARENT PORTION AND A POWER SHAFT OPENING; AN EXTERIOR SOURCE OF ROTATIONAL DRIVE POWER HAVING A DRIVE SHAFT MOUNTED FOR ROTATION WITHIN THE POWER SHAFT OPENING IN THE HOUSING; SHAFTSEALING MEANS ENCIRCLING THE DRIVE SHAFT WITHIN THE POWERSHAFT OPENING IN THE HOUSING IN LIQUID AND AIR-TIGHT RELATION; FILM-EXPOSURE MEANS INCLUDING A ROTATING MEMBER LOCATED WITHIN THE HOUSING IN POSITION TO RECEIVE AN IMAGE FROM AN EXTERIOR SOURCE THROUGH THE TRANSPARENT PORTION AND TRANSFER THE SAME TO A LIGHT-SENSITIVE EMULSION; A DRIVEN SHAFT MOUNTED IN THE HOUSING IN AXIAL ALIGNMENT WITH THE DRIVE SHAFT AND CONNECTED TO THE ROTATING ELEMENT OF THE FILM EXPOSURE MEANS; MEANS CONNECTED INTO THE INTERIOR OF THE HOUSING FOR EVACUATING SAME; AND, POWER TRANSFER MEANS INTERCONNECTING THE DRIVE AND DRIVEN SHAFT FORMING A DRIVING CONNECTION THEREBETWEEN, SAID MEANS INCLUDING A FIRST HELICAL GEAR MOUNTED ON THE DRIVE SHAFT INSIDE THE HOUSING; A PLURALITY OF RADIALLY-DISPLACED SHAFTS JOURNALLED FOR ROTATION IN SAID HOUSING IN EQUIANGULARLY SPACED RELATION AROUND THE COMMON DRIVE AND DRIVEN SHAFT AXIS AT THE SAME RADIAL DISTANCE THEREFROM, A LIKE PLURALITY OF SECOND HELICAL GEARS MOUNTED ON THE RADIALLY-