System for loading and unloading rail vehicles

Details System for loading and unloading rail vehicles System for loading and unloading rail vehicles

1996-08-14

1999-01-12

Keenan, James W.

Material or article handling

Moving, wheeled, load-transporting type vehicle and loading...

414342, 414344, 414392, 414561, 414786, B65G 6300

Patent

active

058578218

ABSTRACT:
Freight is transferred between a car of a train riding on rails extending in a travel direction and a stationary street vehicle while the train is moving slowly in the travel direction by displacing a grab into a position above the rails, identifying the piece of freight and moving the grab in the travel direction synchronously with the train above the piece of freight on the train, and then engaging the grab with the piece of freight while the grab moves synchronously with the train. The piece of freight is then lifted with the grab off the train and the grab are displaced in a transfer direction transverse to the travel direction while the grab moves synchronously with the train until the piece of freight is clear of the train. Movement of the grab in the travel direction is then arrested and the grab and the piece of freight are moved in the transverse transfer direction and the piece of freight is deposited on a stationary support. The piece of freight is then moved from the support to the street vehicle.

REFERENCES:
patent: 1577184 (1926-03-01), Fitch
patent: 3483829 (1969-12-01), Barry
patent: 3891100 (1975-06-01), Tamaki et al.
patent: 4027823 (1977-06-01), Kawarai et al.
patent: 4139107 (1979-02-01), Ninomiya et al.
patent: 5415517 (1995-05-01), Lanigan, Sr. et al.
patent: 5421688 (1995-06-01), Fuchtey et al.
patent: 5429469 (1995-07-01), Zimek
patent: 5609460 (1997-03-01), Abel et al.

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