Miniature light source

Claim 1

A KEY AND LIGHT ARRANGEMENT COMPRISING AN ADAPTOR HAVING A KEY SECTION INTEGRAL THEREWITH AND A HOLLOW HOUSING MOUNTED ON SAID ADAPTOR, A UNITARY LAMP HOLDER AND CONTACT ASSEMBLY POSITIONED WITHIN SAID HOUSING, A LAMP MOUNTED ON SAID ASSEMBLY, A BATTERY MOVABLE WITHIN SAID HOUSING INTO AND OUT OF ENGAGEMENT WITH SAID CONTACT ASSEMBLY, ELECTRICALLY CONDUCTIVE SPRING MEANS BIASING THE BATTERY TO AN INOPERATIVE POSITION, AND MEANS PROJECTING EXTERIORLY OF SAID HOUSING FOR MOVING SAID BATTERY INTO ENGAGEMENT WITH SAID CONTACT ASSEMBLY TO ILLUMINATE SAID LAMP, AND MEANS FOR DIRECTING THE LIGHT FROM THE HOUSING PARALLEL TO THE LONGITUDINAL AXIS OF THE KEY SECTION, SAID LAMP HOLDER AND CONTACT ASSEMBLY INCLUDING A FIRST INSULATING DISC HAVING A LAMP HOLDER PROJECTING THEREFORM, A CONTACT DISC MOUNTED ON SAID FIRST INSULATING DISC, A SECOND INSULATING DISC, A CONTACT STAPLE HOLDING SAID SECOND INSULATING DISC ON THE CONTACT DISC, SAID CONTACT STAPLE AND CONTACT DISC BEING INSULATED ONE FROM THE OTHER, THE LAMP HAVING ONE TERMINAL CONNECTED TO THE CONTACT DISC AND THE OTHER TERMINAL CONNECTED TO THE CONTACT STAPLE.