PURPOSE: To make the attachment and the detachment of a covering mask jig easy by treading a pedal to lift a covering mask jig, retreading the pedal to descend it to a lower part and fastening a male screw plate to the inside of a pillow block.
CONSTITUTION: In a trestle apparatus for a covering mask jig used in case of coating the many textiles, an air cylinder 16 is fitted to a trestle box 8 and a pillow block 18 fastened with a male screw 21 to the inside is fixed on an upper side part of the trestle box 8 and a base a7 is fixed thereon via a flange 23. When driving the air cylinder 16, a base b6, a covering mask jig 1, its supporting axis 20 and a bearer 4 are lifted and when retreading the pedal 13, these are ascended and the male screw plate 21 of the pillow block 18 is fastened. Thereby the base a7 is rotated and the breakage of a stroke of the air cylinder is prevented and the coating can be performed without chang ing the coating position.
WASHIMI MASAO
TAKEUCHI SUSUMU
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