Electrical element and switching means

Claim 1

A SWITCHING DEVICE FOR AN IGNITON SYSTEM HAVING A CASING A METAL BARREL MOVABLE IN THE CASING FROM AN "OFF" TO AN "ON" POSITION, SAID BARREL HAVING A KEY SLOT THEREIN, A RING MEMBER OF NONCONDUCTING MATERIAL MOUNTED ON THE FORWARD END OF THE CASING AND HAVING A CENTRAL OPENING THEREIN, A TERMINAL ON THE FRONT SURFACE OF SAID RING MEMBER, A SECOND RING MEMBER OF NONCONDUCTING MATERIAL OVERLYING SAID FIRST RING MEMBER AND HAVING A REARWARDLY EXTENDING PORTION MOUNTED IN THE CENTRAL RECESS OF THE FIRST RING MEMBER, MEANS SECURING THE REARWARDLY EXTENDING PORTION TO THE BARREL FOR MOVEMENT THEREWITH, SAID SECOND RING MEMBER HAVING A CENTRAL KEY OPENING THEREIN ALIGNED WITH THE BARREL KEY SLOT, A TERMINAL IN THE WALL OF SAID SECOND RING MEMBER CENTRAL KEY OPENING, A SECOND TERMINAL ON THE REAR SURFACE OF THE SECOND RING MEMBER ENGAGEABLE WITH THE TERMINAL OF THE FIRST MEMBER, AND A CONDUCTOR INTERCONNECTING THE TERMINAL ON THE SECOND RING MEMBER.