US3347061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible drive mechanism
Assignee: Eaton Corp
•
Filing: 1965-01-11
•
Granted: 1967-10-17
•
Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Robert E Stuemky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:07
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A DRIVE MECHANISM TO BE POSITIONED BETWEEN DRIVING AND DRIVEN MEMBERS TO TRANSMIT TORQUE THEREBETWEEN AND PERMIT RELATIVE MOVEMENT THEREBETWEEN DUE TO EXTERNAL FORCES ACTING THEREON COMPRIISNG AT LEAST TWO COIL SPRING SLEEVES ADAPTED TO BE CONNECTED BETWEEN SAID DRIVING AND DRIVEN MEMBERS, EACH COIL SPRING SLEEVE HAVING A PREDETERMINED AXIAL EXTENT IN THE ABSENCE OF EXTERNAL FORCES ACTING THEREON AND INCLUDING A PLURALITY OF COIL SPRING MEMBERS HAVING A COILS THEREOF INTERDIGITATED, THE COIL SPRINGS OF ONE SLEEVE BEING WOUND IN ONE DIRECTION AND THE COIL SPRINGS OF THE OTHER SLEEVE BEING WOUND IN THE REVERSE DIRECTION, SAID SLEEVES HAVING A NESTED TELESCOPED RELATION WITH COILS THEREOF IN RADIAL PRESSURE CONTACT THROUGHOUT THEIR CIRCUMFERENCE, AND THE AXIALLY ADJACENT COILS OF EACH SLEEVE HAVING SPACES THEREBETWEEN AT LEAST WHEN SAID SLEEVES ARE AT SADI PREDETERMINED AXIAL EXTEND AND WHICH SPACES EXTEND COMPLETELY CIRCUMFERENTIALLY AROUND THE SLEEVE.
Claim 2
Dependent Claim
146 words
A DRIVE MECHANISM TO BE POSITIONED BETWEEN DRIVING AND DRIVEN MEMBERS TO TRANSMIT TORQUE THEREBETWEEN AND PERMIT RELATIVE MOVEMENT THEREBETWEEN DUE TO EXTERNAL FORCES ACTING THEREON COMPRIISNG AT LEAST TWO COIL SPRING SLEEVES ADAPTED TO BE CONNECTED BETWEEN SAID DRIVING AND DRIVEN MEMBERS, EACH COIL SPRING SLEEVE HAVING A PREDETERMINED AXIAL EXTENT IN THE ABSENCE OF EXTERNAL FORCES ACTING THEREON AND INCLUDING A PLURALITY OF COIL SPRING MEMBERS HAVING A COILS THEREOF INTERDIGITATED, THE COIL SPRINGS OF ONE SLEEVE BEING WOUND IN ONE DIRECTION AND THE COIL SPRINGS OF THE OTHER SLEEVE BEING WOUND IN THE REVERSE DIRECTION, SAID SLEEVES HAVING A NESTED TELESCOPED RELATION WITH COILS THEREOF IN RADIAL PRESSURE CONTACT THROUGHOUT THEIR CIRCUMFERENCE, AND THE AXIALLY ADJACENT COILS OF EACH SLEEVE HAVING SPACES THEREBETWEEN AT LEAST WHEN SAID SLEEVES ARE AT SADI PREDETERMINED AXIAL EXTEND AND WHICH SPACES EXTEND COMPLETELY CIRCUMFERENTIALLY AROUND THE SLEEVE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |