US3296830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joint
Assignee: Bendix Corp
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Filing: 1965-01-08
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Granted: 1967-01-10
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Expires: 1985-01-08
Abstract
No abstract record available.
Inventors
- 👤 Dean E Runkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:24
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A UNIVERSAL JOINT COMPRISING TWO MEMBERS CAPABLE OF BEING ROTATED WITH THEIR AXES ANGULARLY DISPOSED WITH RESPECT TO ONE ANOTHER, A PAIR OF SPACED ARMS LOCATED AT THE END OF EACH OF SAID ROTATABLE MEMBERS, DIAMETRICALLY OPPOSED SPHERICAL SURFACES FIXEDLY CONNECTED TO AND PROTRUDING FROM THE ARMS OF EACH OF SAID ROTATABLE MEMBERS, SAID SPHERICAL SURFACES OF ONE OF SAID MEMBERS BEING CENTERED IN THE SAME PLANE WITH THE SPHERICAL SURFACES OF THE OTHER OF SAID MEMBERS BUT AT RIGHT ANGLES WITH RESPECT THERETO, AND ADJUSTABLE COUPLING MEANS FOR JOINING SAID ROTATABLE MEMBERS, SAID COUPLING MEANS INCLUDING TORQUE TRANSMITTING CENTER RETAINING MEANS HAVING INNER SEATS FOR RECEIVING SAID SPHERICAL SURFACES, SAID INNER SEATS INCLUDING CYLINDRICAL SURFACES HAVING A RADIUS SUBSTANTIALLY EQUAL TO THAT OF SAID SPHERICAL SURFACES FOR MAINTAINING VIRTUAL LINE CONTACT AT ALL TIMES WITH SAID SPHERICAL SURFACES TO ELIMINATE BACKLASH IN ANY DIRECTION OF MOVEMENT, AND MEANS OPERATIVELY CONNECTED TO SAID TORQUE TRANSMITTING CENTER RETAINING MEANS FOR CAUSING MOVEMENT THEREOF IN A DIRECTION TENDING TO PRELOAD SAID ARMS BY MOVING THEREOF IN ARMS IN AN OUTWARD DIRECTION.
Claim 2
Dependent Claim
179 words
A UNIVERSAL JOINT COMPRISING TWO MEMBERS CAPABLE OF BEING ROTATED WITH THEIR AXES ANGULARLY DISPOSED WITH RESPECT TO ONE ANOTHER, A PAIR OF SPACED ARMS LOCATED AT THE END OF EACH OF SAID ROTATABLE MEMBERS, DIAMETRICALLY OPPOSED SPHERICAL SURFACES FIXEDLY CONNECTED TO AND PROTRUDING FROM THE ARMS OF EACH OF SAID ROTATABLE MEMBERS, SAID SPHERICAL SURFACES OF ONE OF SAID MEMBERS BEING CENTERED IN THE SAME PLANE WITH THE SPHERICAL SURFACES OF THE OTHER OF SAID MEMBERS BUT AT RIGHT ANGLES WITH RESPECT THERETO, AND ADJUSTABLE COUPLING MEANS FOR JOINING SAID ROTATABLE MEMBERS, SAID COUPLING MEANS INCLUDING TORQUE TRANSMITTING CENTER RETAINING MEANS HAVING INNER SEATS FOR RECEIVING SAID SPHERICAL SURFACES, SAID INNER SEATS INCLUDING CYLINDRICAL SURFACES HAVING A RADIUS SUBSTANTIALLY EQUAL TO THAT OF SAID SPHERICAL SURFACES FOR MAINTAINING VIRTUAL LINE CONTACT AT ALL TIMES WITH SAID SPHERICAL SURFACES TO ELIMINATE BACKLASH IN ANY DIRECTION OF MOVEMENT, AND MEANS OPERATIVELY CONNECTED TO SAID TORQUE TRANSMITTING CENTER RETAINING MEANS FOR CAUSING MOVEMENT THEREOF IN A DIRECTION TENDING TO PRELOAD SAID ARMS BY MOVING THEREOF IN ARMS IN AN OUTWARD DIRECTION.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |