Cord-winding structure

Claim 1

IN APPARATUS OF THE CLASS DESCRIBED, A HOLLOW CASING HAVING SPACED END WALLS, THE END WALLS RESPECTIVELY HAVING AN INLET AND AN OUTLET FOR AIR, MEANS COMPRISING A STATIONARY HOLLOW TUBE HAVING ONE END JOINED TO THE CASING AT THE OUTLET AND EXTENDING WITHIN SAID CASING TOWARD THE INLET, SAID TUBE DEFINING AT LEAST A PORTION OF AN AIR PASSAGEWAY BETWEEN THE INLET AND THE OUTLET, A HOLLOW ROTATABLE ELEMENT, A REEL FORMING A PART OF SAIS ROTATABLE ELEMENT AND HAVING SPACED SIDES, MEANS FOR MOUNTING SAID HOLLOW ELEMENT ON SAID TUBE FOR ROTATION THEREON ABOUT A FIRST STATIONARY AXIS WITH SAID REEL SPACED FROM THE END WALL HAVING THE OUTLET, ONE OF THE SIDES OF SAID REEL AND THE END WALL HAVING THE OUTLET DEFINING AN AXIALLY EXTENDING END SPACE IN SAID CASING WHICH IS DISPOSED ABOUT SAID TUBE AND INTO WHICH A PART OF SAID HOLLOW ELEMENT PROJECTS, AN ELECTRICAL CORD FOR SAID REEL WHICH MAY BE WOUND THEREON BETWEEN ITS SPACED SIDES, AND STRUCTURE OPERATIVELY ASSOCIATED WITH THE PROJECTING PART OF SAID HOLLOW ELEMENT TO IMPART ROTATING MOVEMENT TO SAID ELEMENT AND SAID REEL FOR WINDING THE CORD THEREON, SAID LAST-MENTIONED STRUCTURE INCLUDING A ROTATABLE MEMBER, MEANS AT THE END WALL HAVING THE OUTLET FOR MOUNTING SAID MEMBER FOR ROTATION IN SAID END SPACE ABOUT A STATIONARY SECOND AXIS SPACED FROM AND SUBSTANTIALLY PARALLEL TO THE FIRST AXIS ABOUT WHICH SAID HOLLOW ELEMENT ROTATES, AND AN ELONGATED FLAT SPRING WOUND ON SAID ROTATABLE MEMBER.