03982797 is referenced by 12 patents and cites 3 patents.

This invention relates to spring-loaded thrust bearings for shafts subject to a plurality of levels of thrust loads and in its preferred embodiment is applied to in-hole motors. The invention employs a plurality of spring systems, whereby the thrust load on one set of springs is limited to one level of thrust and another of the spring systems under said load may be loaded to a higher level.

Title
Spring-loaded bearings for in-hole motors
Application Number
5/595162
Publication Number
3982797
Application Date
July 11, 1975
Publication Date
September 28, 1976
Inventor
Bela A Geczy
Glendale
CA, US
John E Tschirky
Long Beach
CA, US
Agent
Philip Subkow
Assignee
Smith International Corporation
CA, US
IPC
F16C 19/04
F16C 17/04
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