Cushioned roller circle

Details Cushioned roller circle Cushioned roller circle

1975-04-14

1976-10-12

Wood, Jr., M. H.

Cutlery

212 68, 308237R, B66C 2384

Patent

active

039854060

ABSTRACT:
A machine of the dragline, shovel, or crane type having a body rotatably mounted upon a base with a padded live roller circle interposed between the body and base to facilitate rotation of the body. The roller circle includes flat, segmental upper and lower rails with resilient and compressible pads between the rail segments and the respective body and base, and a roller cage between the rails having rollers which are generally cylindrical and in bearing contact with the rails, the rail segment pads permitting movement of the segments to distribute local loads to adjacent rollers. The rails are clamped to the body and base by means of yieldable clamping means, and the cage is guided in its circular travel path by yieldable guide means.

REFERENCES:
patent: 1965407 (1934-07-01), Doughty
patent: 2248590 (1941-07-01), Smith
patent: 2313084 (1943-03-01), Manly
Letter of June 20, 1972 from J. L. Whaley to Marion Shovel owner.

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