| 摘要 |
In an embodiment shown, the invention comprises a dual-chambered housing which has a spring clip integral therewith for replaceably clasping the housing atop a fishing rod. One of the chambers replaceably receives a battery and a light bulb, the two substantially comprising a classic flashlight assembly, in which the bulb has its base in contacting engagement with a center-end terminal of the battery and its filament globe exposed externally of the one chamber. The threaded bonnet or shank of the bulb is received in a metal disc to which is connected a first electrical lead. The first lead is passed therefrom and into the other of the two chambers. The other chamber also receives one end of a second electrical lead which also passes therefrom into the one chamber for contacting engagement with the other-polarity end of the battery. within the other chamber, the ends of the leads are spaced apart to define an interruption in the "flashlight assembly" circuit. Also within the other chamber is a pivotally journalled element which carries an electrical contactor for engaging and bridging across the interruption to close the circuit, and a biasing and detenting assembly for biasing the element in a first open-circuit position, and for detenting the element in a second closed-circuit position. A slender limb projects from the pivotal element and from the housing to receive thereon an intermediate portion of fishing line so that, as the line is made taut - upon game fish testing bait fixed to the end of the line - the limb will cause the element to rotate from the first position thereof to the second position to cause the light bulb to flash or light and remain lit. Upon the line being made more taut - upon the game fish taking the bait - the line forces the limb fully into the second position where the journalled element is detented and held, and the light bulb stays lit.
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