Crane trolley

Details Crane trolley Crane trolley

1981-07-30

1984-01-03

Reeves, Robert B.

Railway rolling stock

Suspended

Single rail

105144, 105148, 16 91, 16102, 16106, 104 93, 104119, 104247, B61F 900, B61B 1304, E05D 1302

Patent

active

044236859

ABSTRACT:
A novel crane trolley has four guiding pulleys lying on opposed upper and lower guiding surfaces, arranged diagonally to eliminate the need for having eight guiding pulleys. On each side of the trolley are upper and lower guiding pulleys, with the lower in front on one side and the upper in front on the other side. The pulleys may be mounted under spring tension. Two such trolleys may be hinged together to support heavy loads.

REFERENCES:
patent: 1043793 (1912-11-01), Barnes
patent: 2845877 (1958-08-01), Richter
patent: 3625158 (1971-12-01), Lorenz et al.
patent: 3727560 (1973-04-01), Blemly et al.
patent: 3844224 (1974-10-01), Ishii et al.
patent: 3902432 (1975-09-01), Shortridge
patent: 4164187 (1979-08-01), Kaufman
patent: 4182243 (1980-01-01), Ceauselu

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