Drop end, open top rail car

Details Drop end, open top rail car Drop end, open top rail car

1989-07-31

1990-10-23

Olszewski, Robert P.

Railway rolling stock

Car framing and structure

Freight

1052611, 105283, 1053081, 105313, 105458, B61D 902, B61D 1706

Patent

active

049643487

ABSTRACT:
A pivoted drop end for a railway car which is adapted to be manipulated (lifted) by power equipment in the car to open or close the car end. The car end includes lower side posts, each having a cam follower running in a cam on the car frame which swings the car end about a pivot carried on each of the posts. The pivots are guided in a vertical slot and cooperates with the cam. The car end is opened outwardly of the car and rests in open horizontal position on a pedestal support of the frame so that adjacent open car ends form a bridge to move loads longitudinally of the train. The car end is dampened in lowering (opening) movement by dash-pots connected between the car end and car frame. A side dumping railway car tilts the car body to either side by sets of pneumatic cylinders, each set being alternatively under control of a valve. The drop end of the car includes an exterior cam member that engages a lock-out mechanism for inactivating the sets of pneumatic cylinders by setting the control valve of both sets of cylinders to exhaust whenever either drop end of the car is in open position, i.e., either end is lowered.

REFERENCES:
patent: Re23814 (1954-04-01), Ingram
patent: 1972042 (1934-08-01), Flowers
patent: 2052867 (1936-09-01), Cartzdafner et al.
patent: 2329554 (1943-09-01), Pietsch
patent: 2484512 (1949-10-01), Ingram
patent: 2506218 (1950-05-01), Ingram
patent: 2738733 (1956-03-01), Flowers
patent: 2769406 (1956-11-01), Goodwin
patent: 3118394 (1964-01-01), Flowers
patent: 3421454 (1969-01-01), Connerat
patent: 3474741 (1969-10-01), Ingram
patent: 3521576 (1970-07-01), Murray
patent: 3556020 (1971-01-01), Akers
patent: 4057236 (1977-11-01), Hannells
The Car and Locomotive Encyclopedia (1980) p. 143.
The Car and Locomotive Encyclopedia (1970) p. 147.

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