Magnetically retained window shade roller

Claim 1

A MAGNETICALLY ROTATIONALLY RESTRAINED SPRINGLESS SHADE ROLLER STRUCTURE, COMPRISING IN COMBINATION, AN ELONGATED ROLLER MEMBER OF SUBSTANTIALLY CONSTANT OUTER DIAMETER ADAPTED TO HAVE A FLEXIBLE SHADE SECURED TO THE OUTER SURFACE THEREOF FOR WINDING THEREABOUT AS THE ROLLER IS ROTATED ABOUT ITS LONG AXIS, SAID ROLLER MEMBER BEING AXIALLY APERTURE FOR A DISTANCE INWARD FROM ONE END THEREOF, A CYLINDER OF MAGNETICALLY SUSCEPTIBLE MATERIAL AND A MAGNET STRUCTURE DISPOSED WITHIN THE APERTURED END OF SAID ROLLER MEMBER WITH SAID MAGNET STRUCTURE PHYSICALLY ENGAGED WITH SAID CYLINDER AND WITH THE CYLINDER ORIENTED COAXIALLY WITH SAID ROLLER, ONE OF SAID MAGNET STRUCTURE AND CYLINDER BEING FIXEDLY SECURED TO THE ROLLER FOR ROTATION THEREWITH, THE OTHER OF SAID MAGNET STRUCTURE AND CYLINDER BEING ROTATABLE RELATIVE TO SAID ROLLER AND CARRYING A PART PROJECTING ENDWISE AXIALLY OUT OF AND BEYOND THE END OF SAID ROLLER MEMBER AND BEING ADAPTED FOR NON-ROTATIONAL ENGAGEMENT WITH A ROLLER SUPPORT BRACKET, AND MEANS SECURED TO THE OPPOSITE END OF SAID ROLLER MEMBER FOR ROTATABLY SUPPORTING THE ROLLER FROM ANOTHER SUPPORT BRACKET.