Material or article handling – Elevator or hoist and loading or unloading means therefor
Patent
1990-11-13
1992-09-08
Sotelo, Jesus D.
Material or article handling
Elevator or hoist and loading or unloading means therefor
414618, 414910, 414345, 414347, 254 2R, 187 9R, B65G 900
Patent
active
051453118
ABSTRACT:
A lift for raising and lowering large cylindrical tanks, which when filled with a fluid such as liquid nitrogen are very heavy, is provided with a base consisting of two parallel beams, each with a wheel at each end and a cross beam closer to one pair of wheels than the other to leave a U-shaped part of the base that may be positioned around a tank. An upright telescoping beam has a horizontal rod at its upper end that engages an eye on a strap welded to the tank. When the upright telescoping beam is extended by a jack having one end on a seat secured to a hollow beam and the other end secured to the telescoping beam, the cylinder is raised in a nearly vertical position. Side struts aid in supporting the upright hollow beam, and each side strut supports a bumper rod that prevents the tank from dragging on the upright hollow beam. Pulleys with V-belts are positioned on the bumper rods to prevent the tank from dragging on the bumper rods. In addition, or alternatively, the pulleys with V-belts may be provided on the upright hollow beam for preventing the tank from dragging on the upright hollow beam.
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Anthony Welded Products, Inc.
Avila Stephen P.
Fernandez Antonio M.
Sotelo Jesus D.
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