Side bearing arrangement for multi-unit railroad cars with diffe

Details Side bearing arrangement for multi-unit railroad cars with diffe Side bearing arrangement for multi-unit railroad cars with diffe

1992-07-24

1993-05-04

Oberleitner, Robert J.

Railway rolling stock

Trains

Articulated

1051993, B61F 514

Patent

active

052071618

ABSTRACT:
A multi-unit railroad car has adjacent ends of adjacent car units carried upon a shared truck and interconnected by an articulating coupling having a female part attached to one of the car units and a male part attached to the other of the car units. Side bearings for carrying loads generated by the car unit whose end has the female coupling part are of an anti-friction type, and side bearings associated with the car unit whose end has the male coupling part are of a constant-contact, limited-friction type so that turning moments exerted by the car units on the shared truck are kept within a desirable range and are kept balanced against each other to avoid either one of the articulated interconnected car units from adversely steering the shared truck during a curve.

REFERENCES:
patent: 2073013 (1937-03-01), Jabelman
patent: 3399631 (1968-09-01), Weber
patent: 4315465 (1982-02-01), Cordani et al.
patent: 4751882 (1988-06-01), Wheatley et al.

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