Railway rolling stock – Trucks – Overhead crane
Patent
1980-09-22
1983-02-01
Reese, Randolph
Railway rolling stock
Trucks
Overhead crane
104173R, 104178, 212215, 414279, B66C 1318
Patent
active
043709320
ABSTRACT:
An apparatus is provided for the interconnection of two mobile carriages which are connected by a rigid beam and guided along parallel guide rails. The apparatus permits the simultaneous and identical movement, with respect to both direction and distance, of the carriages along the respective guide rails. The apparatus comprises two generally symmetrically disposed cables, each of which is attached at one end to an end of one rail and at its other end to a diagonally opposed end of a parallel rail. Intermediate the attachment points, the cables connect the carriages by resting on and being supported by return pulleys which are integral with the carriages. Each cable thereby describes a generally Z-shaped configuration. The Z-shaped configurations are symmetrically disposed in order to cause, during the displacement of one carriage, the tensioning of one of the cables, and thereby cause the other carriage to be identically and simultaneously displaced.
REFERENCES:
patent: 198718 (1877-12-01), Weston
patent: 687633 (1901-11-01), Kammerer
patent: 2743024 (1956-04-01), Schmitt
patent: 4273147 (1981-01-01), Twitchell et al.
Etcheparre Bernard
Etcheparre Jean
Lectra Systemes S.A.
Reese Randolph
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