Aquarium heater

Claim 1

AN IMPROVED AQUARIUM HEATER COMPRISING, IN COMBINATION, A HOUSING AND A TUBULAR ENCLOSURE DEPENDING THEREFROM, AN ELECTRICAL HEATING ELEMENT AND A THERMOSTATIC CONRTOL CHASSIS THEREFOR DISPOSED WITHIN SAID TUBULAR ENCLOSURE, SAID THERMOSTATIC CONTROL CHASSIS BEING PROVIDED WITH ADJUSTABLE MEANS FOR OPENING AND CLOSING AN ELECTRICAL CIRCUIT ASSOCIATED WITH SAID ELECTRICAL HEATING ELEMENT, SAID THEREMOSTATIC CONTROL CHASSIS ALSO SUPPORTING A UNITARY HARNESS FORMING PART OF SAID ELECTRICAL CIRCUIT, SAID UNITARY HARNESS INCLUDING MEANS FOR SUPRESSING SPARKING WHEN THE SAID ELECTRICAL CIRCUIT IS OPENED AND CLOSED, MEANS FOR INDICATING THE FLOW OF ELECTRICAL CURRENT THROUGH SAID CIRCUIT, SAID CHASSIS ALSO BEING PROVIDED WITH LOCKING FINGERS PROJECTING INTO SAID HOUSING FOR ENGAGEMENT WITH COMPLEMENTARY LOCKING MEANS CARRIED BY A PORTION OF SAID HOUSING, SAID ADJUSTABLE MEANS FOR OPENING AND CLOSING AN ELECTRICAL CIRCUIT ASSOCIATED WITH SAID ELECTRICAL HEATING ELEMENT INCLUDING A BI-METALLIC CONTACT MEMBER SECURED UPON THE SAID CHASSIS IN CONFRONTING RELATION TO AN ADJUSTABLE CONTACT MEMBER ALSO SECURED UPON THE SAID CHASSIS, SAID CHASSIS BEING PROVIDED WITH MEANS FOR LATERALLY DISPLACING SAID CONTACT MEMBER INTO CONTACT WITH SAID BI-METALLIC CONTACT MEMBER, SAID HOUSING BEING PROVIDED WITH MEANS FLUSH MOUNTED THEREIN FOR ADJUSTING SAID LATERALLY DISPLACING MEANS, SAID BIMETALLIC CONTACT MEMBER AND ADJUSTABLE CONTACT MEMBER BEING MOUNTED UPON OPPOSITE SIDES OF A WEB INCLUDED WITHIN SAID CHASSIS, SAID MEANS FOR SUPPRESSING SPARKING WHEN THE SAID ELECTRICAL CIRCUIT IS OPENED AND CLOSED INCLUDING A CONDENSER SHUNTED ACROSS THE SAID CONTACT MEMBERS AND DISPOSED WITHIN A RECESS PROVIDED UPON SAID WEB, SAID MEANS FOR INDICATING THE FLOW OF ELECTRICAL CURRENT THROUGH SAID ELECTRICAL CIRCUIT INCLUDING A BULB SHUNTED ACROSS THE SAID HEATING ELEMENT, SAID BULB BEING SEATED UPON THE SAID CHASSIS, SAID CHASSIS BEING PROVIDED WITH AN ARCH HOUSING ONE END OF SAID BULB, SAID CHASSIS ALSO PROVIDED WITH A BAFFLE PLATE FORMED WITH A DEPENDING PARTITION STRADDLED BY A PAIR OF NOTCHES, SAID DEPENDING PARTITION SUPPORTING A HORIZONTAL YOKE, SAID BULB BEING PROVIDED WITH A PAIR OF LEADS DISPOSED THROUGH SAID NOTCHES AND UPON SAID YOKE, SAID LEADS BEING SEPARATED FROM EACH OTHER BY SAID NOTCHES AND YOKE, AND SAID LEADS BEING CONNECTED TO A PAIR OF PLUGS DISENGAGEABLY SECURED IN SHUNTED RELATION TO SAID HEATING ELEMENT.