Multi-rate side bearing for a railway truck

Details Multi-rate side bearing for a railway truck Multi-rate side bearing for a railway truck

1982-02-18

1984-03-06

Reeves, Robert B.

Railway rolling stock

Trucks

Bogie

267 3, 267 85, 267152, 384423, B61F 514

Patent

active

044347200

ABSTRACT:
A multi-rate side bearing for a railway truck is provided. The side bearing comprises a base plate and an upper plate, with two resilient devices located between the base plate and the upper plate. The resilient devices usually are elastomeric pads of different compression rates and shear stiffness. Under unloaded car conditions, only one pad is in load supporting contact, but under loaded car conditions, both resilient devices contact the upper and base plates to provide load support and car body-truck motion damping.

REFERENCES:
patent: 2327954 (1943-08-01), Barrows et al.
patent: 2515853 (1950-07-01), Blattner
patent: 3255712 (1966-06-01), Barber
patent: 3575403 (1971-04-01), Hamel
patent: 3707927 (1973-01-01), Geyer et al.
patent: 3845725 (1974-11-01), Gierlach
patent: 4080016 (1978-03-01), Wiebe

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