Central locking for explosion protective linear fluorescent luminary, has two rails, where area of rotating axle is provided with cam

摘要

The central locking has two rails (1,2), where an area of a rotating axle (3) is provided with a cam (3b). The area of the rotating axle is adjusted by a third rail (1a) lying near to a rotation axle head (3a). The area of the rotation axle has another cam (3c). The area of the rotating axle is adjusted by a fourth rail (2a) lying far from the rotation axle head. The rotating axle is arranged at a head end of the linear fluorescent luminary.