VARIABLE LENGTH SUPPORT

PURPOSE:To execute the vertically setting work of supports easily by arranging projected sections to be arranged at the lower end sections of support members and to be projected to be moved forward or backward in the central axis directions of the support members, and sleeve members for covering the projected sections. CONSTITUTION:The lower end sections of square-pipe-shaped support members 11 are provided with bolt-shaped projected members 12, and the lower ends of the support members 11 are fixed by bottom plates 15. After that, through the central sections of the bottom plates 15, penetration holes 13a are bored, and the upper sides are fixed with nuts 15. Then, bolt sections 12a with screw tongues arranged on the outer peripheral surfaces of the projected members 12 are fixed on doubling plates 12b at the lower ends. As a result, the lengths of supports are easily regulated, and so one sort of the supports are enough, and several sorts of supports are not required to be previously prepared and so labor for stock management can be saved.