Movable roof device

Claim 1

IN COMBINATION WITH A BUILDING HAVING AN OPENING IN ITS ROOF AND A PAIR OF PARALLEL BUIDE MEMBERS EXTENDING ALONG OPPOSITE SIDES OF SAID OPENING, A MOVABLE ROOF SECTION FOR COVERING AND UNCOVERING THE ROOF OPENING COMPRISING: A COVERED FRAME HAVING LENGTH AND WIDTH DIMENSIONS GREATER THAN THE ROOF OPENING; A PIR OF WHEELS MOUNTED ON EACH OF THE OPPOSITE ENDS OF SAID FRAME AND ADAPTED TO BE GUIDED BY SAID RAIL MEMBERS; AN ELECTRICAL MOTOR ON SAID ROOF SECTION; MEANS DRIVINGLY CONNECTING SAID ELECTRICAL MOTOR TO AT LEAST ONE OF SAID WHEELS, INCLUDING A PAIR OF SPROCKETS CONNECTED BY A CHAIN, ONE OF SAID SPROCKETS BEING DRIVEN BY SAID MOTOR AND THE OTHER SAID SPROCKET BEING CONNECTED TO A WORM GEAR, AND A PINION MESHED WITH SAID WORM GEAR FIXED TO AN AXLE MEMBER, AT LEAST ONE OF SAID WHEELS BEING ATTACHED TO SAID AXLE; A SPRING LOADED TAKE-UP REEL BIASED TO ROTATE BY ITSELF IN ONE DIRECTION; AN ELECTRICAL CONDUIT PARTIALLY WOUND ON SAID TAKE-UP REEL AND CONNECTEDT AT ONE END TO A JUNCTION ON THE ROOF ADJACENT ITS OPENING, SAID TAKE-UP REEL THEREBY WINDING AND UNWINDING SAID CONDUIT AND KEEPING IT TAUT AS SAID ROOF SECTION IS MOVED BACKWARDS AND FORWARDS; MEANS ELECTRICALLY CONNECTING SAID MOTOR AND THE END OF SAID ELECTRICAL CONDUIT ATTACHED TO SAID TAKE-UP REEL; AND SWITCH MEANS CONNECTED TO SAID ELECTRICAL CONDUIT AND INSTALLED WITHIN SAID BUILDING FOR CONTROLLING THE TRAVEL OF SAID MOVABLE ROOF SECTION ON SAID RAILS.