Emergency electric lighting installations专利检索-应急电源系统分销网络和设备专利检索查询-专利查询网

Emergency electric lighting installations

阅读：24发布：2023-03-16

专利汇可以提供Emergency electric lighting installations专利检索，专利查询，专利分析的服务。并且A portable handlamp incorporating a rechargeable battery is removably mounted in a bracket to form an emergency electric lighting installation. It incorporates a transformer and rectifier arranged to trickle charge the battery from a supply, and the transformer acts on an armature secured to a bolt to lock the lamp in the bracket so long as the supply is maintained, but to switch on the light and release the lock if the supply fails.，下面是Emergency electric lighting installations专利的具体信息内容。

权利要求

1. An emergency electric lighting installation of the type including supply terminals, a rechargeable battery, a lamp, means for connecting the battery so as normally to be trickle charged from the supply terminals and means responsive to failure of the supply for automatically connecting said lamp to said battery to provide an emergency lighting unit, in which the installation comprises a fixed bracket including said supply terminals and a handlamp including said battery and said lamp, which is readily detachable from said fixed bracket to form a portable lighting unit, and locking means responsive to failure of the supply for locking said headlamp to said fixed bracket and for releasing said portable handlamp, as well as illuminating said lamp, if the supply fails.

2. An emergency electric lighting installation as claimed in claim 1 in which meAns for recharging battery include a transformer which also functions as a solenoid to keep said locking means engaged while the supply is maintained.

3. An emergency electric lighting installation as claimed in claim 2 in which said transformer is carried by said handlamp, and said transformer functions as a relay to actuate contacts to illuminate said lamp.

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