Railcar shock absorber backstop

Details Railcar shock absorber backstop Railcar shock absorber backstop

1997-01-09

1998-06-09

Morano, S. Joseph

Railway draft appliances

Cushioned

Springs

213 50, 213 64, B61G 908

Patent

active

057622140

ABSTRACT:
A shock absorber for a railcar locates within a center sill of the railcar. The shock absorber has a housing that moves relative to the center sill. A backstop is welded to the center sill for retaining the piston shaft. The backstop has a top, a bottom and two parallel sides. The height of the backstop from the bottom to the top is substantially less than the center sill. The sides of the backstop are welded to the sidewalls of the center sill in a position which provides an upper clearance between the top of the backstop and the top wall of the center sill and a lower clearance between the bottom of the backstop and the bottom of the center sill.

REFERENCES:
patent: 3515286 (1970-06-01), Powell
patent: 3587869 (1971-06-01), Atkinson et al.
patent: 3854596 (1974-12-01), Stephenson et al.
patent: 4113113 (1978-09-01), Reinhardt et al.
patent: 4261471 (1981-04-01), Reinhardt et al.
patent: 5571257 (1996-11-01), Bruski et al.
FMI Drawing 15340 Hydraulic Cushioning Device; Jun. 7, 1993.
FMI Drawing 8-87-15306 Casting-Backstop and Buffstop; Jun. 10, 1976.

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