US3304809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque transmission device
Assignee: General Precision Inc
•
Filing: 1964-12-18
•
Granted: 1967-02-21
•
Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 James S Hellen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:39
CPC Classifications
F; F16; F16H; F16H49/00; F16H49/001; F16H13/00; Y; Y10; Y10S; Y10S475/00; Y10S475/901; Y10T; Y10T74/00; Y10T74/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A TORQUE TRANMISSION DEVICE, COMPRISING: A PAIR OF COAXIALLY-NESTED MEMBERS OF GENERALLY TUBULAR CONFIGURATION, BOTH OF SAID MEMBERS HAVING RELATIVELY THIN SIDE WALLS FORMED OF RESILIENT MATERIAL, WHEREBY THEY ARE RADIALLY DISTORTABLE TO A SIGNIFICANT DEGREE, ONE OF SAID MEMBERS BEING ADAPTED TO BE FIXED AGAINST ROTATIONAL DISPLACEMENT, THERE BEING A FINITE DIFFERENCE BETWEEN THE INNER DIAMETER OF THE OUTER MEMBER AND THE OUTER DIAMETER OF THE INNER MEMBER; AND MEANS FOR PRODUCING CONTACT BETWEEN THE CIRCUMFERENCES OF SAID TUBULAR MEMBERS AND CONJOINT DISTORTION THEREOF RADIALLY OUTWARDLY AT A LOCALIZED REGION AND FOR ANGULARLY DISPLACING SAID REGION ABOUT SAID CIRCUMFERENCES.
Claim 2
Dependent Claim
100 words
A TORQUE TRANMISSION DEVICE, COMPRISING: A PAIR OF COAXIALLY-NESTED MEMBERS OF GENERALLY TUBULAR CONFIGURATION, BOTH OF SAID MEMBERS HAVING RELATIVELY THIN SIDE WALLS FORMED OF RESILIENT MATERIAL, WHEREBY THEY ARE RADIALLY DISTORTABLE TO A SIGNIFICANT DEGREE, ONE OF SAID MEMBERS BEING ADAPTED TO BE FIXED AGAINST ROTATIONAL DISPLACEMENT, THERE BEING A FINITE DIFFERENCE BETWEEN THE INNER DIAMETER OF THE OUTER MEMBER AND THE OUTER DIAMETER OF THE INNER MEMBER; AND MEANS FOR PRODUCING CONTACT BETWEEN THE CIRCUMFERENCES OF SAID TUBULAR MEMBERS AND CONJOINT DISTORTION THEREOF RADIALLY OUTWARDLY AT A LOCALIZED REGION AND FOR ANGULARLY DISPLACING SAID REGION ABOUT SAID CIRCUMFERENCES.
References Cited (Backward Citations)
US2943495A
Cited
US2983162A
Cited
FR1275981A
Cited
US3117763A
Cited
US3209182A
Cited
US3182525A
Cited
US3119283A
Cited
US3139770A
Cited
US3199370A
Cited
US3187862A
Cited
US3148560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |