Patent ID: 6814188
Filing Date: 2004-11-09
Classification: B66F

Abstract:
A scissors lifting device comprising:a base unit; a carrier unit; an inner arm having first and second ends, the first end pivotably mounted to the base unit at an inner pivot, the second end slidingly engaging the carrier unit; an outer arm having first and second ends, the first end slidingly engaging the base unit, the second end pivotably mounted to the carrier unit at an outer pivot, the outer arm pivotably mounted to the inner arm at a scissors axle; a drive for raising the carrier unit; a drum parallel to the scissors axle and coupled to the drive to provide rotational movement in both directions; a lifting truck positioned between the inner and outer arm so that the axle is between the drum and the truck and movement of the truck toward the axle causes the arms to open, and a band having a first end connected to the drum to enable the band to be wound around the drum, and a second end coupled to the lifting truck, the band extending directly from the drum to the lifting truck.