Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1973-09-27
1976-04-27
Spar, Robert J.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
104127, 182130, 187 7, 198132, 212 63, 214 1H, B65G 3700, B65G 4900, B66B 918, E04G 2104
Patent
active
039528367
ABSTRACT:
A composite transfer device for conveying material used in the construction of high tower-like structures, from a loading position at the base of the structure to a working platform which is raised as building proceeds. The device includes portions giving horizontal and vertical movement of a container, and includes a first transport unit at the loading level, a vertical hoist, and a second transport unit mounted on the working platform. The second transport unit includes a radial track movable around the working platform to deliver materials from the hoist, which is centrally situated, to different working areas around the structure. A special feature of the device is the use of a carrier frame which is square in plan view and which is supported on two hoist ropes attached to opposite corners of the frame, and which is also guided by guide tubes connected to the remaining two corners of the frame and which are located by downwards travelling reaches of the hoisting rope.
REFERENCES:
patent: 100777 (1870-03-01), Swensen
patent: 126890 (1872-05-01), Lyons
patent: 561223 (1896-06-01), Hamilton
patent: 660724 (1900-10-01), Fischer et al.
patent: 686330 (1901-11-01), Porter, Jr.
patent: 1070910 (1913-08-01), Nichols
patent: 3611946 (1971-10-01), Heximer
Beltran Howard
Linden-Alimak AB
Philpitt Fred
Spar Robert J.
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