US3240453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine propulsion device with energy absorbing means
Assignee: Kiekhaefer Corp
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Filing: 1964-03-26
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Granted: 1966-03-15
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 Kiekhaefer Elmer Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:14
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
IN COMBINATION: (A) AN OUTBOARD PROPULSION DEVICE FOR BOATS, (B) MEANS FOR MOUNTING SAID DEVICE REARWARDLY OF THE TRANSOM OF A BOAT, (C) MEANS PIVOTALLY MOUNTED SAID DEVICE ON SAID MOUNTING MEANS AND ON A HORIZONTAL TILT AXIS FOR TILT MOVEMENT REARWARDLY AND UPWARDLY FROM A NORMAL OPERATIVE POSITION, (D) AN ARCUATE TEETH-CARRYING RACK SECURED TO SAID DEVICE AND EXTENDING DOWNWARDLY AND FORWARDLY THEREFROM, (E) PINION DISPOSED CO-PLANAR WITH SAID RACK AND HAVING TEETH ADAPTED TO BE ENGAGED BY SAID RACK TEETH, (F) A ROTATABLE SHAFT DISPOSED ADJACENT SAID RACK AND FIXED AGAINST TILTING WITH SAID DEVICE AND HAVING AN AXIS SPACED FROM AND PARALLEL TO SAID TILT AXIS, (G) SAID PINION BEING DISPOSED FOR ROTATION WITH SAID SHAFT, (H) AND CLUTCH MEANS CONNECTED TO SAID SHAFT FOR ABSORBING A SUBSTANTIAL PORTION OF KINETIC ENERGY, (I) THE CONSTRUCTION BEING SUCH THAT STRIKING OF AN UNDERWATER OBJECT BY SAID PROPULSION DEVICE CAUSES SAID DEVICE TO TILT UPWARDLY ABOUT SAID TILT AXIS SO THAT SAID RACK TEETH ENGAGE SAID PINION TEETH TO ROTATE SAID SHAFT AND ACTUATE SAID CLUTCH MEANS.
Claim 2
Dependent Claim
178 words
IN COMBINATION: (A) AN OUTBOARD PROPULSION DEVICE FOR BOATS, (B) MEANS FOR MOUNTING SAID DEVICE REARWARDLY OF THE TRANSOM OF A BOAT, (C) MEANS PIVOTALLY MOUNTED SAID DEVICE ON SAID MOUNTING MEANS AND ON A HORIZONTAL TILT AXIS FOR TILT MOVEMENT REARWARDLY AND UPWARDLY FROM A NORMAL OPERATIVE POSITION, (D) AN ARCUATE TEETH-CARRYING RACK SECURED TO SAID DEVICE AND EXTENDING DOWNWARDLY AND FORWARDLY THEREFROM, (E) PINION DISPOSED CO-PLANAR WITH SAID RACK AND HAVING TEETH ADAPTED TO BE ENGAGED BY SAID RACK TEETH, (F) A ROTATABLE SHAFT DISPOSED ADJACENT SAID RACK AND FIXED AGAINST TILTING WITH SAID DEVICE AND HAVING AN AXIS SPACED FROM AND PARALLEL TO SAID TILT AXIS, (G) SAID PINION BEING DISPOSED FOR ROTATION WITH SAID SHAFT, (H) AND CLUTCH MEANS CONNECTED TO SAID SHAFT FOR ABSORBING A SUBSTANTIAL PORTION OF KINETIC ENERGY, (I) THE CONSTRUCTION BEING SUCH THAT STRIKING OF AN UNDERWATER OBJECT BY SAID PROPULSION DEVICE CAUSES SAID DEVICE TO TILT UPWARDLY ABOUT SAID TILT AXIS SO THAT SAID RACK TEETH ENGAGE SAID PINION TEETH TO ROTATE SAID SHAFT AND ACTUATE SAID CLUTCH MEANS.
References Cited (Backward Citations)
US2878773A
Cited
US2961207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |