Patent ID: 6433530
Filing Date: 2002-08-13
Classification: G01R

Abstract:
A circuit testing device comprising in combination:a handle having a central body, a first end, an opposite second end, and a counterbore extending from an opening at one of said ends into the central body; a cap removably attached to the handle at the counterbore opening, said cap including a first inside electrical contact; a conductive probe attached to the handle at the end opposite the opening and projecting therefrom, said probe further including a second electrical contact positioned in the counterbore; a conductive member extending from said cap and connected electrically to said first contact on the inside of the cap, said conductive member comprising a spring member; and a sensor subassembly slidably mounted in the counterbore opening, said subassembly including a bracket electrically connected in a series circuit to the second contact in the counterbore and also to the first inside contact of the cap, said spring member comprising a mechanical and electrical connection to the bracket from the first contact and for biasing the subassembly into electrical contact with the second contact, said subassembly further including an electrically activated buzzer and a visible light mounted on the bracket in parallel electrically between the first and second contacts.