APPARATUS FOR TRANSPORTING AND MOUNTING PIPES OF DUCTS FOR DATA OUTPUT IN MINING DRIFTS Russian patent published in 1995 - IPC

FIELD: mining industry. SUBSTANCE: a cargo car with retractable cantilevers 5, provided by a drive unit, is arranged on the trailer truck 1. The cantilevers 5 are arranged in pairs and oriented in opposite sides. The cargo car also has the supporting inclined beams 9. The drive unit of the retractable cantilevers 5 is in the form of a hydraulic cylinder, whose rod is joined with one of the cantilevers and with a platform and whose body is joined with opposite cantilever and with the platform. Both above mentioned joints are quick releasable ones (13). EFFECT: enhanced serviceability. 2 cl, 5 dwg