US3261229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propulsion system for a boat
Assignee: Individual
•
Filing: 1963-06-27
•
Granted: 1966-07-19
•
Expires: 1983-06-27
Abstract
No abstract record available.
Inventors
- 👤 Russell A Thomas
- 👤 Dallas P Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:16
CPC Classifications
B; B63; B63H; B63H23/00; B63H5/00; B63H5/07; B63H5/08; B63H23/02; B63H25/00; B63H25/06; B63H25/38; B63H23/32; B63H23/34; B63H2023/342; B63H2023/348; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19088; Y10T74/19219; Y10T74/19372
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A MECHANICAL-DRIVE COUPLING APPARATUS COMPRISING AN INPUT DRIVE SHAFT, AT LEAST TWO INDEPENDENT POWER OUTPUT SHAFTS, AND A COUPLING APPARATUS INTERPOSED BETWEEN SAID INPUT DRIVE SHAFT AND SAID OUTPUT SHAFTS FOR INDEPENDENTLY CONNECTING EACH OF SAID OUTPUT SHAFTS TO SAID INPUT DRIVE SHAFT, SAID COUPLING APPARATUS INCLUDING A PAIR OF BEVEL GEARS FIXED ON SAID INPUT DRIVE SHAFT IN SPACED APART RELATIONSHIP, A PAIR OF SHAFT MEMBERS ROTATABLY SUPPORTED NORMAL TO SAID DRIVE SHAFT AND WHICH ARE EACH MECHANICALLY CONNECTED TO A RESPECTIVE ONE OF SAID OUTPUT SHAFTS AND ARE EACH PROVIDED WITH A BEVEL GEAR ADAPTED TO COOPERATIVELY INTERMESH WITH SAID FIRST MENTIONED BEVEL GEARS CARRIED BY SAID INPUT DRIVE SHAFT, EACH OF SAID SHAFT MEMBERS BEING SUPPORTED FOR DISPLANCEMENT ALONG THE AXIS OF SAID INPUT DRIVE SHAFT TO BRING THE RESPECTIVE BEVEL GEAR INTO MESHING ENGAGEMENT WITH THE SELECTED DRIVE SHAFT BEVEL GEAR, AND MEANS CONNECTED WITH EACH OF SAID SHAFT MEMBERS OPERATIVE TO SELECTIVELY AND INDEPENDENTLY ENGAGE THE RESPECTIVE BEVEL GEAR WITH THE DESIRED DRIVE SHAFT GEAR.
Claim 2
Dependent Claim
170 words
A MECHANICAL-DRIVE COUPLING APPARATUS COMPRISING AN INPUT DRIVE SHAFT, AT LEAST TWO INDEPENDENT POWER OUTPUT SHAFTS, AND A COUPLING APPARATUS INTERPOSED BETWEEN SAID INPUT DRIVE SHAFT AND SAID OUTPUT SHAFTS FOR INDEPENDENTLY CONNECTING EACH OF SAID OUTPUT SHAFTS TO SAID INPUT DRIVE SHAFT, SAID COUPLING APPARATUS INCLUDING A PAIR OF BEVEL GEARS FIXED ON SAID INPUT DRIVE SHAFT IN SPACED APART RELATIONSHIP, A PAIR OF SHAFT MEMBERS ROTATABLY SUPPORTED NORMAL TO SAID DRIVE SHAFT AND WHICH ARE EACH MECHANICALLY CONNECTED TO A RESPECTIVE ONE OF SAID OUTPUT SHAFTS AND ARE EACH PROVIDED WITH A BEVEL GEAR ADAPTED TO COOPERATIVELY INTERMESH WITH SAID FIRST MENTIONED BEVEL GEARS CARRIED BY SAID INPUT DRIVE SHAFT, EACH OF SAID SHAFT MEMBERS BEING SUPPORTED FOR DISPLANCEMENT ALONG THE AXIS OF SAID INPUT DRIVE SHAFT TO BRING THE RESPECTIVE BEVEL GEAR INTO MESHING ENGAGEMENT WITH THE SELECTED DRIVE SHAFT BEVEL GEAR, AND MEANS CONNECTED WITH EACH OF SAID SHAFT MEMBERS OPERATIVE TO SELECTIVELY AND INDEPENDENTLY ENGAGE THE RESPECTIVE BEVEL GEAR WITH THE DESIRED DRIVE SHAFT GEAR.
References Cited (Backward Citations)
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Cited
US2255773A
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US2311393A
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US2718792A
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US3118323A
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US3107554A
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US3112728A
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |