Electrically operated fastener driving tool

Claim 1

A FASTENER DRIVING TOOL COMPRISING A HOUSING STRUCTURE DEFINING A GENERALLY CYLINDRICAL AND VERTICALLY EXTENDIONG CHAMBER COMMUNICATING WITH A DRIVE TRACK AT ITS LOWER END, WINDING MEANS HAVING AN AXIAL OPENING AND AN UPWARDLY PROJECTING LOCATING STRUCTURE AT ITS UPPER END, SAID WINDING MEANS BEING DISPOSED IN THE CHAMBER WITH THE AXIAL OPENING IN ALIGNMENT WITH THE DRIVE TRACK, SPIDER MEANS HAVING A CENTRAL OPENING IN WHICH THE UPWARDLY PROJECTING LOCATING STRUCTURE ON THE WINDING MEANS IS RECEIVED, DETACHABLE FASTENER MEANSF ENGAGING THE WALL OF THE CHAMBER AND BEARING AGAINST AN OUTER PORTION OF THE SPIDER MEANS TO SECURE THE SPIDER MEANS AND THE WINDING MEANS IN A DESIRED POSITION WITHIN THE CHAMBER, THE ENGAGEMENT OF THE LOCATING STRUCTURE BY THE SPIDER MEANS HOLDING THE WINDING MEANS IN AN UPRIGHT POSITION WITHIN THE CHAMBER SPACED FROM THE INNER WALL OF THE HOUSING TO PROVIDE A GENERALLY ANNULAR AIR SPACE SURROUNDING THE WINDING MEANS, SAID HOUSING STRUCTURE HAVING AT LEAST ONE OPENING COMMUNICATING WITH THE ANNULAR AIR SPACE AD-