electrical contact on an end thereof the probe arms being adapted such that operation of the actuator biases the ends of the probe arms away from each other to an open position allowing the electrical poles of a battery light bulb or fuse to be tested to be contacted by the contacts on the probe arms additional features include magnetic probe contacts to facilitate the testing of a battery light bulb or fuse application_number US 28475502 A description the present invention provides a combination battery light bulb fuse tester 10 in particular the present invention provides a novel battery light bulb and fuse tester 10 which is easy to use especially for elderly individuals which provides accurate results and which is inexpensive to produce according to the invention as best seen in fig4 the battery tester 10 includes a case 12 housing a novel battery testing probe mechanism 14 comprised of two pincer like probe arms 18 20 which may be easily manipulated to clamp a battery fuse or light bulb not shown to be tested between electrical contacts 22 24 located thereon preferably as best seen in fig5 and 6 the probe arms 18 20 include a resiliently biased gearing mechanism 26 in order to easily move the probe arms 18 20 towards and away from one another the probe arms 18 20 are controlled by an actuator 28 the actuator 28 preferably including a resiliently biased trigger 32 operatively connected thereto more preferably the resiliently biased gearing mechanism 26 comprises a resiliently biased trigger 32 having a first rack 36 positioned on an upper surface 38 thereof a pinion gear 40 a second rack 42 including a set of lower teeth 44 and oppositely opposed sets of upper gear teeth.