Low lateral stiffness cylindrical bush

Details Low lateral stiffness cylindrical bush Low lateral stiffness cylindrical bush

1992-06-10

1994-02-01

Le, Mark T.

Railway rolling stock

Trucks

Radial

B61F 500

Patent

active

052824250

ABSTRACT:
A steerable truck has a pair of wheelsets supporting a pair of laterally spaced side frames. Each wheelset is connected to the sideframe at one end by a pivotal connection and at the opposite end through a steering link to provide relative displacement between the wheelset and sideframe. The connections between the wheelsets and sideframes include upper and lower pivots. One of the pivots has a lower lateral stiffness than longitudinal stiffness to allow movement of the associated wheelset out of plane without inducing torsional loads in the sideframe.

REFERENCES:
patent: 3528374 (1970-09-01), Wickens
patent: 4285280 (1981-08-01), Smith
patent: 4429637 (1984-02-01), Jackson et al.
patent: 4802418 (1989-02-01), Okamoto et al.
patent: 5123357 (1992-06-01), Fujita et al.

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