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US3531167A Expired / Lapsed US ⏱️ 0.0 years remaining

Bearing assembly

Assignee: Rolls Royce PLC
•
Filing: 1969-01-23
•
Granted: 1970-09-29
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Expires: 1989-01-23
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Abstract

Abstract 1,168,394. Bearings; lubricating. ROLLS-ROYCE Ltd. 6 Feb., 1968, No. 5828/68. Heading F2A. [Also in Division F1] A rolling bearing assembly comprises an annular outer race 32 an inner race 35 mounted concentrically within the outer race, rolling elements 36 between the races, a plurality of angularly spaced axially extending grooves 40 formed in the internal surface of the inner race, means disposed radially inwardly of the internal surface of the inner race for directing lubricant on to a common region 44 of the internal surface with which all the grooves communicate, radially extending ducts 45 and 46 which communicate with only some of the grooves to supply lubricant to the bearing, the common region being disposed on one side only of the bearing, and the remaining grooves communicating directly with a lubricant conduit 52 extending from the other side of the bearing.

Inventors

  • 👤 Robert George Edge
  • 👤 Cyril Blea
  • 👤 Peter King
  • 👤 Samuel Charles Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:34
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6637; F16C33/6659; F16C33/6677; F01; F01D; F01D25/00; F01D25/18; F16C19/00; F16C19/54; F16C19/55; F16C33/58; F16C33/583; F16C33/586; F16C19/02; F16C19/04; F16C19/06; F16C2360/00; F16C2360/23; F16C33/38; F16C33/3837

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3269786A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-09-28 1974-03-30 1974-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-09-28 1978-03-30 1978-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-09-28 1982-03-30 1982-09-29 $7700.00 Window Closed / Lapsed

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