Adjustable stacked bearing assembly

Details Adjustable stacked bearing assembly Adjustable stacked bearing assembly

1978-06-09

1980-04-15

Butler, Douglas C.

Cutlery

308174, 308230, 308231, F16C 1704, F16C 1904

Patent

active

041981049

ABSTRACT:
An adjustable stacked bearing assembly has a plurality of bearing sub-assemblies interposed between thrust shoulders on a housing and a shaft extending through the housing, each bearing sub-assembly being individually adjustable or assembled in a condition in which all tolerance is eliminated. The bearings transmit thrust and radially center the shaft in the housing. The stacked bearing assembly is disclosed for use with a fluid pressure operated in-hole motor drill, the specific motor being shown as being of the helicoidal type.

REFERENCES:
patent: 3449030 (1969-06-01), Tiraspolsky et al.
patent: 3894818 (1975-07-01), Tschirky
patent: 3982797 (1976-09-01), Tschirky et al.
patent: 4029368 (1977-06-01), Tschirky et al.

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