Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1985-09-09
1986-11-04
Rolla, Joseph J.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
414631, 13735517, B66B 920
Patent
active
046206140
ABSTRACT:
A multiply extensible lifting frame is provided having a standing mast and one or more middle and inner masts slidable relative to one another, at least one lifting press cylinder connected with the standing mast having a piston connected to the intermediate mast, at least one chain connected at one end with the standing mast and at the other end with the inner mast and supported over a roller on the middle mast, an additional hydraulically actuated element connected with the inner mast and carrying a chain over a roller thereon, the chain connected at one end to the inner mast section and at the other end to the lift slide the improvement in which hoses provided for supplying the additional hydraulically actuated element connected with the farthest extensible mast section are carried in the same plane and which the at least one chain connected with the standing mast and the farthest extensible mast and each hose is connected with a connection in one end, a bore hold on the side of the front flange of the column of the inner mast section and the line to the additional hydraulically actuated member is connected to the other end of the bore hole.
REFERENCES:
patent: 3339768 (1967-09-01), Dixon
patent: 3968859 (1976-07-01), Ehrhardt
patent: 4401191 (1983-08-01), Bartow
Linde Aktiengesellschaft
Noland Kenneth
Rolla Joseph J.
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