Draft sill arrangement for flat car

Details Draft sill arrangement for flat car Draft sill arrangement for flat car

1974-12-12

1976-05-04

Love, John J.

Railway rolling stock

Car framing and structure

Underframes

105420, B61D 1700

Patent

active

039540669

ABSTRACT:
An underframe arrangement for a railway vehicle and including a deep section center sill joined to a draft sill portion through use of a transition beam member. Both the transition beam member and the draft sill have overlapping flange portions in the area adjacent the car body bolster and center filler. Overlapping these flange portions increases the strength of the draft sill to transition sill connection to resist buff and draft forces by directing these longitudinal forces into the bottom web of the draft sill and transition sill and from there through the transition section and into the deep section center sill which is capable of absorbing and dissipating large longitudinal loads. The overlapping members also increase the strength of the center filler area to provide an improved bolster.

REFERENCES:
patent: 2635559 (1953-04-01), Nystrom et al.
patent: 3286659 (1966-11-01), Cunningham
patent: 3774554 (1973-11-01), O'Neill et al.

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