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由美国矿业服务公司(NMS)生产的Wheat V型矿灯是Wheat Ⅱ型的改进。该矿灯装配双丝可调焦距灯头,在结构设计中有个特点——灯头内设有一套由凸轮操纵的单开关和调焦机构。打开开关旋钮,旋转调焦对光很方便,两根等功率总寿命为400小时的灯丝都能调到聚光。 Wheat V型灯头由灯头壳、反射器、调焦机构、开关调焦旋钮等4个组件及灯头圈、灯
The Wheat V-type miner’s lamp manufactured by the U.S. Mineral Services Corporation (NMS) is an improvement on Wheat II. The mine lamp assembly double wire adjustable focal length lamp, in the structural design has a characteristic - the lamp is equipped with a set of cam-operated single switch and focusing mechanism. Open the switch knob, rotating focus on the light is very convenient, two equal power total life of 400 hours of the filament can be transferred to the condenser. Wheat V-type lamp holder from the lamp shell, reflector, focusing mechanism, switch focus knob and other four components and lamp cap ring, lamp