FIELD: construction.
SUBSTANCE: flaps drive comprises wheeled support systems arranged between every end of every flap and appropriate load-bearing structures arranged at opposite edges of stadium and secured at flaps ends to drives interacting with said racks and located at said load-bearing structures. Racks are provided with spaced apart holes while hydraulic cylinders are used as said drives. For engagement of racks with hydraulic cylinder rods and with load bearing structures at the drive hydraulic cylinder rods and bearings structure support moving and stationary assemblies of fixation with fluid-controlled rods.
EFFECT: lower metal input of said mechanism.
14 cl, 6 dwg
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