Sprung castor wheel assembly

Details Sprung castor wheel assembly Sprung castor wheel assembly

1993-10-20

1995-09-12

Hughes, Tom

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Casters

Spring supported

B60B 3300

Patent

active

054487960

ABSTRACT:
A castor wheel assembly comprises a base member for mounting on an object to be supported, a swivel member mounted on the base member for rotation about the vertical axis. A castor wheel is mounted on a pair of side plates which extend upwardly from an axle of the castor wheel and horizontally to a cross shaft connected to the side plates. The cross shaft is mounted within a square tube forming part of the swivel member. The cross shaft carries a plurality of radially extending flanges so that elastomeric members positioned between the flanges and inside the tubular member act as a spring suspension allowing the side plates to rotate with the castor wheel relative to the swivel member about a horizontal axis providing a suspension action.

REFERENCES:
patent: 2442831 (1948-06-01), Suttles
patent: 4346498 (1982-08-01), Welsch et al.
patent: 4462138 (1984-07-01), Black
patent: 4559669 (1985-12-01), Bonzer et al.

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