| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an extendable handrail for work of loading liquid formulation into a tank truck which is not installed on the tank truck, used regardless of an upper height limit of a tank truck stopping position for loading, low in cost, high in safety, and convenient to use. <P>SOLUTION: The extendable handrail includes a pair of fixed beams 15 fixed to an upper surface of a liquid formulation loading stage 1 to which the tank truck 2 is drawn up, a pair of moving rising handrails 12 constituted of a slide beam 21 supported to both fixed beams 15 via a slide rail 20 in a direction of projecting from the stage 1, and a horizontal handrail part 23, and a horizontal extendable handrail 13 constituted of one or a plurality of mutually coupled extendable beams 27, 29 to be slidable in an expanding direction which is/are supported to a horizontal extendable handrail support beam 25 fixed to upper parts of both moving rising handrails 12 via a slide rail to be reciprocally movable in a direction of projecting from the stage 1, and a horizontal handrail part 32 supported by the extendable beams 27, 29 and arranged to surround a work area on the tank truck 2. <P>COPYRIGHT: (C)2012,JPO&INPIT |
