Hoist employing a multiple piston cylinder

摘要: A vehicle includes a chassis, load support body connected to the chassis and movable between lowered position raised position, hoist operable forcibly move from position. The cylinder pressurized drive fluid supply system. housing assembly shaft assembly. defines first second chambers separated by center cap. is slidably mounted in pistons affixed at axially spaced apart locations along shaft. piston disposed chamber chamber. system into each of extend relative an extension direction configured such that, when fully extended, volume exerts offset force on cap opposite expansive counter-forces housing.