Bushing fuse provided with a fuse body of strong insulating material having flattened ends

Claim 1

A PROTECTIVE DEVICE FOR ELECTRICAL APPARATUS WHICH HAS A TANK AND A COVER THEREFOR, COMPRISING, IN COMBINATION; A BUSHING MEMBER SECURED TO THE COVER OF THE ELECTRICAL APPARATUS AND EXTENDING THERETHROUGH, AN INSULATED LEAD CONNECTED TO ONE END OF SAID BUSHING AND EXTENDING THROUGH THE MAJOR PORTION THEREOF, A FUSE MEMBER HAVING A FUSE BODY OF STRONG, RIGID, INSULATING MATERIAL, FLATTENED END PORTIONS ON EACH END OF SAID FUSE BODY, AN ELECTRICAL CONNECTOR SECURED TO EACH OF SAID FLATTENED END PORTIONS, ONE SAID ELECTRICAL CONNECTOR SECURED TO SAID INSULATED LEAD, THE OTHER SAID ELECTRICAL CONNECTOR CONNECTIBLE TO AN INTERNAL LEAD OF THE ELECTRICAL APPARATUS, A FUSE WIRE ELECTRICALLY CONNECTED TO EACH SAID ELECTRICAL CONNECTOR AND EXTENDING THROUGH A BORE IN SAID FUSE BODY, SAID FUSE BODY BEING HELD IN SAID BUSHING BY SAID ONE ELECTRICAL CONNECTOR CONNECTED TO EACH INSULATED LEAD WITH SUBSTANTIALLY HALF OF SAID FUSE EXTENDING BELOW THE BOTTOM OF SAID BUSHING, WHEREBY WHEN SAID FUSE WIRE MELTS THE GASES GENERATED THEREBY EXPEL SAID FUSE FROM SAID BUSHING.