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US 4,708,496 AGranted
Diamond bearing and manufacture thereof
AssigneeSmith International, Inc.
InventorJames N. McPherson
Life of this patent
Estimating the term…
Abstract
A structure and method for attaching bearing inserts including a bearing ring having through holes therein into which said inserts are press fitted and an underlying brazing ring, which, when heated, attaches the bearing inserts to the bearing ring and the bearing ring and inserts to an adjoining structural member.
Claims20
A bearing structure comprising:
- a support member having a race;
- a generally planer retainer ring having a number of holes therein;
- a plurality of bearing inserts, one insert mounted in each of said holes;
- and
- brazing material attaching said ring and said inserts to said race and attaching said inserts to said ring.
2 more elements
A method of fabricating a bearing structure comprising:
- fabricating an annular ring having a plurality of through holes disposed around its circumference;
- press-fitting a bearing insert into each said hole to form a subassembly;
- placing brazing material on a bearing race;
- placing said subassembly onto said race;
- and
- heating said brazing material to simultaneously braze said annular ring and bearing inserts into place on said race.
3 more elements
A bearing structure comprising:
- a support member having a race;
- a generally planar retainer ring having a number of through holes therein;
- a plurality of bearing inserts, one insert mounted in each of said holes;
- and
- a brazing mass cohesively bonding together said inserts, said race and said ring.
2 more elements
Dependencies are inferred from the claim text.