US3183044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill bit
Assignee: Individual
•
Filing: 1962-11-05
•
Granted: 1965-05-11
•
Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Juanita G Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:21
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/08; E21B10/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
A DRILL BIT COMPRISING: AT LEAST ONE SUPPORT INCLUDING A JOURNAL PORTION; A CUTTER MOUNTED ON SAID JOURNAL PORTION AND HAVING A BORE INCLUDING A BALL RACEWAY AND A ROLLER RACEWAY; SAID JOURNAL PORTION INCLUDING A BALL RACEWAY AND A ROLLER RACEWAY RESPECTIVELY COMPLEMENTARY TO SAID BALL AND ROLLER RACEWAYS OF SAID CUTTER AND PROVIDING PRINCIPAL LOAD BEARING ARCUATE SURFACES DISPOSED TO SUPPORT THE PRINCIPAL LOADS ENCOUNTERED BY SAID DRILL BIT WHILE DRILLING; ROLLER BEARING IN SAID COMPLEMENTARY ROLLER RACEWAYS ROTATABLY MOUNTING SAID CUTTER ON SAID JOURNAL PORTION; BALL BEARINGS IN SAID COMPLEMENTARY BALL RACEWAYS LONGITUDINALLY INTERLOCKING SAID CUTTER ON SAID JOURNAL PORTION; A BALL RETAINER DIAGONALLY EXTENDING WITHIN SAID JOURNAL PORTION AND DIRECTLY ABOVE SAID LOAD BEARING ARCUATE SURFACES AND INCLUDING A SURFACE IN BALL BEARING CONDUCTING RELATION TO THE BALL RACEWAY OF SAID JOURNAL PORTION; AND MEANS, DISPOSED IN SAID JOURNAL PORTION IN COEXTENSIVE RELATION TO SAID BALL RETAINER AND IN UNSHIELDED RELATION TO STRESS WAVES TRANSMITTED TOWARD SAID BALL RETAINER FROM SAID PRINCIPAL LOAD BEARING ARCUATE SURFACES, FOR TRANSMITTING STRESS WAVES IMPINING THEREON IN DIRECTIONS WITHIN SAID JOURNAL SUCH THAT STRESS WAVE CONCENTRATION IN JOURNAL PORTION IMMEDIATELY UNDERLYING SAID PRINCIPAL LOAD BEARING ARCUATE SURFACES IN MINIMIZED, TO THEREBY ENHANCE THE APPARENT ENDURANCE THEREOF.
Claim 2
Dependent Claim
206 words
A DRILL BIT COMPRISING: AT LEAST ONE SUPPORT INCLUDING A JOURNAL PORTION; A CUTTER MOUNTED ON SAID JOURNAL PORTION AND HAVING A BORE INCLUDING A BALL RACEWAY AND A ROLLER RACEWAY; SAID JOURNAL PORTION INCLUDING A BALL RACEWAY AND A ROLLER RACEWAY RESPECTIVELY COMPLEMENTARY TO SAID BALL AND ROLLER RACEWAYS OF SAID CUTTER AND PROVIDING PRINCIPAL LOAD BEARING ARCUATE SURFACES DISPOSED TO SUPPORT THE PRINCIPAL LOADS ENCOUNTERED BY SAID DRILL BIT WHILE DRILLING; ROLLER BEARING IN SAID COMPLEMENTARY ROLLER RACEWAYS ROTATABLY MOUNTING SAID CUTTER ON SAID JOURNAL PORTION; BALL BEARINGS IN SAID COMPLEMENTARY BALL RACEWAYS LONGITUDINALLY INTERLOCKING SAID CUTTER ON SAID JOURNAL PORTION; A BALL RETAINER DIAGONALLY EXTENDING WITHIN SAID JOURNAL PORTION AND DIRECTLY ABOVE SAID LOAD BEARING ARCUATE SURFACES AND INCLUDING A SURFACE IN BALL BEARING CONDUCTING RELATION TO THE BALL RACEWAY OF SAID JOURNAL PORTION; AND MEANS, DISPOSED IN SAID JOURNAL PORTION IN COEXTENSIVE RELATION TO SAID BALL RETAINER AND IN UNSHIELDED RELATION TO STRESS WAVES TRANSMITTED TOWARD SAID BALL RETAINER FROM SAID PRINCIPAL LOAD BEARING ARCUATE SURFACES, FOR TRANSMITTING STRESS WAVES IMPINING THEREON IN DIRECTIONS WITHIN SAID JOURNAL SUCH THAT STRESS WAVE CONCENTRATION IN JOURNAL PORTION IMMEDIATELY UNDERLYING SAID PRINCIPAL LOAD BEARING ARCUATE SURFACES IN MINIMIZED, TO THEREBY ENHANCE THE APPARENT ENDURANCE THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |