To utilize beams, etc., in the ceiling of a warehouse, to suspend a bellows-shaped maintenance tent from the beams, etc., to lighten the tent and reduce construction cost, to expand and contract the tent manually and simply, to use a floor face effectively because the tent is not fixed onto the floor face while intruding even a truck in response to the expansion and contraction of a housing section and to facilitate loading and unloading operation.
Invered U-shaped frames 1, 1 are arranged in front and in rear, a plurality of ceiling-side frames 2... are disposed between the frames 1, 1, runners 10 are connected to the upper sections of these frames 1 and ceiling-side frames 2, and these runners 10 are installed movably to a hanger rail 7 hung down and fixed to a beam 3. A box-shaped sheet 13, in which a base is opened and which is brought into contact with a floor face 11, is covered so as to surround the frames 1 and the ceiling-side frames 2, and connected to the frames 1 and the ceiling-side frames 2, and a housing section 18, in which the box-shaped sheet 13 is expanded and contracted in a bellows shape, is formed.
ARAI KAZUHISA
KYOWA TEKKO KK
FUJI REINETSU KIKI KK
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