US3281189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die-set bearing
Assignee: Acme Danneman Co Inc
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Filing: 1964-02-07
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Granted: 1966-10-25
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Expires: 1984-02-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Danneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:44
CPC Classifications
F; F16; F16C; F16C43/00; F16C43/04; F16C43/06; F16C43/08; F16C29/00; F16C29/04; F16C33/00; F16C33/30; F16C33/38; F16C33/3837; F16C33/3843; F16C33/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A DIE-SET BEARING, COMPRISING A CYLINDRICAL BUSHING HAVING A BORE THEREIN, A RETAINER HAVING A PLURALITY OF HOLES THEREIN AND MOVABLY POSITIONED IN SAID BUSHING BORE, A PLURALITY OF BALLS ROTATABLY DISPOSED IN SAID REAINER HOLES AND CONTACTING SAID BUSHING BORE, AND A LEADER PIN MOVABLY POSITIONED WITHIN SAID RETAINER AND CONTACTING SAID BALLS, SAID BALLS BEING ARRANGED IN EXACTLY THREE HELICES DEFINED ON SAID RETAINER, THE THREE BALLS AT EACH OF THE OPPOSITE ENDS OF SAID THREE HELICES BEING DISPOSED ON A SINGLE PLANE NORMAL TO THE AXIS OF THE BEARING, THE AXIS OF THE BEARING LYING WITHIN THE TRIANGLE FORMED BY LINES CONNECTING THE CENTERS OF SAID THREE BALLS AT EACH OF OPPOSITE ENDS OF THE THREE BALLS BALLS BEING ARRANGED SUCH THAT ONLY ONE OF SAID BALLS HAS ITS CERTER LYING IN ANY OF PLANE EXTENDING RADIALLY FROM AND INCLUDING THE AXIS OF THE BEARING.
Claim 2
Dependent Claim
148 words
A DIE-SET BEARING, COMPRISING A CYLINDRICAL BUSHING HAVING A BORE THEREIN, A RETAINER HAVING A PLURALITY OF HOLES THEREIN AND MOVABLY POSITIONED IN SAID BUSHING BORE, A PLURALITY OF BALLS ROTATABLY DISPOSED IN SAID REAINER HOLES AND CONTACTING SAID BUSHING BORE, AND A LEADER PIN MOVABLY POSITIONED WITHIN SAID RETAINER AND CONTACTING SAID BALLS, SAID BALLS BEING ARRANGED IN EXACTLY THREE HELICES DEFINED ON SAID RETAINER, THE THREE BALLS AT EACH OF THE OPPOSITE ENDS OF SAID THREE HELICES BEING DISPOSED ON A SINGLE PLANE NORMAL TO THE AXIS OF THE BEARING, THE AXIS OF THE BEARING LYING WITHIN THE TRIANGLE FORMED BY LINES CONNECTING THE CENTERS OF SAID THREE BALLS AT EACH OF OPPOSITE ENDS OF THE THREE BALLS BALLS BEING ARRANGED SUCH THAT ONLY ONE OF SAID BALLS HAS ITS CERTER LYING IN ANY OF PLANE EXTENDING RADIALLY FROM AND INCLUDING THE AXIS OF THE BEARING.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |