LAMPHOLDER WITH LOCKING UNIT Russian patent published in 1997 - IPC

FIELD: electric engineering. SUBSTANCE: device has removable housing which is made from insulation material. Inner surface of housing has end projection. Metal case is mounted in housing for clamping cap of incandescent lamp. Base which is located inside housing is made from insulation material, for example from ceramics. Contact plates are mounted on base using screws or armored members. One or both sides of current-conducting C-shaped contact plate have locking tooth which is made from rigid current-conducting material, for example steel, cutting edge of tooth is directed clockwise with respect to device axis. One or two pulling members are mounted on inner side at plate end and are designed as hooks which opposite ends enter into hollow part of lampholder. EFFECT: increased functional capabilities. 2 dwg