US3073635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft coupling
Assignee: Individual
•
Filing: 1959-07-17
•
Granted: 1963-01-15
•
Expires: 1979-07-17
Abstract
No abstract record available.
Inventors
- 👤 Edward J Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:10
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/005; Y; Y10; Y10S; Y10S464/00; Y10S464/901; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17769; Y10T403/00; Y10T403/57; Y10T403/5741
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A COUPLING DEVICE OF THE CHARACTER DESCRIBED, COMPRISING A PAIR OF ROTATABLE SHAFT ELEMENTS, RELEASABLE MEANS CONNECTED TO ONE OF SAID ELEMENTS FOR ROTATION THEREWITH AND OPERABLE FOR EFFECTING A DRIVING CONNECTION WITH THE OTHER OF SAID ELEMENTS, AND MOVABLE MEANS OPERABLE FOR PREVENTING SAID RELEASABLE MEANS FROM EFFECTING SAID DRIVING CONNECTION WITH SAID OTHER ELEMENT, SAID MOVABLE MEANS HAVING CONNECTIONS WITH BOTH OF SAID ELEMENTS AND THEREBY BEING OPERABLE IN RESPONSE TO RELATIVE ROTATION OF SAID ELEMENTS AWAY FROM A PREDETERMINED RELATIVE POSITION, SAID RELEASABLE MEANS EFFECTING SAID DRIVING CONNECTION WITH SAID OTHER ELEMENT WHEN SAID ELEMENTS ARE IN SAID PREDETERMINED RELATIVE POSITION.
Claim 2
Dependent Claim
104 words
A COUPLING DEVICE OF THE CHARACTER DESCRIBED, COMPRISING A PAIR OF ROTATABLE SHAFT ELEMENTS, RELEASABLE MEANS CONNECTED TO ONE OF SAID ELEMENTS FOR ROTATION THEREWITH AND OPERABLE FOR EFFECTING A DRIVING CONNECTION WITH THE OTHER OF SAID ELEMENTS, AND MOVABLE MEANS OPERABLE FOR PREVENTING SAID RELEASABLE MEANS FROM EFFECTING SAID DRIVING CONNECTION WITH SAID OTHER ELEMENT, SAID MOVABLE MEANS HAVING CONNECTIONS WITH BOTH OF SAID ELEMENTS AND THEREBY BEING OPERABLE IN RESPONSE TO RELATIVE ROTATION OF SAID ELEMENTS AWAY FROM A PREDETERMINED RELATIVE POSITION, SAID RELEASABLE MEANS EFFECTING SAID DRIVING CONNECTION WITH SAID OTHER ELEMENT WHEN SAID ELEMENTS ARE IN SAID PREDETERMINED RELATIVE POSITION.
References Cited (Backward Citations)
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Cited
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Cited
US1954048A
Cited
US2467269A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |