US3085540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic flip-up water rudder mechanism for sailboats and airboats
Assignee: Individual
•
Filing: 1962-04-16
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Granted: 1963-04-16
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Crabille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:26
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/06; B63H25/38; B63H25/382; B63H2025/384; B63H2025/385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN AUTOMATIC RUDDER AND YIELDING MECHANISM, COMPRISING, A HOLLOW RUDDER SHAFT SECURED TO THE TRANSOM OF A BOAT, A BIFURCATION FORMED DIAMETRICALLY THROUGH THE LOWER END OF THE SHAFT, A RUDDER HAVING AN UPPER PORTION ADAPTED TO BE RECEIVED WITHIN THE BIFURCATION, A MOUNTING PIN EXTENDING THROUGH THE LOWER END OF THE SHAFT AND THROUGH THE UPPER PORTION OF THE RUDDER PERMITTING PIVOTAL MOVEMENT OF THE RUDDER RELATIVE TO THE SHAFT, A FRONT STOP PROTRUDING FROM SAID UPPER PORTION AND ADAPTED TO ABUT WITH THE SHAFT ABOVE THE BIFURCATION, SAID UPPER PORTION HAVING AN UPPER EDGE FORMING A LOCATING RECESS WITHIN THE BIFURCATION AND CONTINUING TO FORM AN ARCUATE CAMMING SURFACE REARWARDLY AND ADJACENT THE SAID RECESS, A CAMMING PIN RECEIVED WITHIN THE SHAFT AND PROTRUDING INTO THE BIFURCATION FOR ENGAGEMENT WITH THE RECESS AND CAMMING SURFACE, AND A COMPRESSION SPRING URGING THE CAMMING PIN DOWNWARDLY AGAINST SAID UPPER EDGE.
Claim 2
Dependent Claim
150 words
AN AUTOMATIC RUDDER AND YIELDING MECHANISM, COMPRISING, A HOLLOW RUDDER SHAFT SECURED TO THE TRANSOM OF A BOAT, A BIFURCATION FORMED DIAMETRICALLY THROUGH THE LOWER END OF THE SHAFT, A RUDDER HAVING AN UPPER PORTION ADAPTED TO BE RECEIVED WITHIN THE BIFURCATION, A MOUNTING PIN EXTENDING THROUGH THE LOWER END OF THE SHAFT AND THROUGH THE UPPER PORTION OF THE RUDDER PERMITTING PIVOTAL MOVEMENT OF THE RUDDER RELATIVE TO THE SHAFT, A FRONT STOP PROTRUDING FROM SAID UPPER PORTION AND ADAPTED TO ABUT WITH THE SHAFT ABOVE THE BIFURCATION, SAID UPPER PORTION HAVING AN UPPER EDGE FORMING A LOCATING RECESS WITHIN THE BIFURCATION AND CONTINUING TO FORM AN ARCUATE CAMMING SURFACE REARWARDLY AND ADJACENT THE SAID RECESS, A CAMMING PIN RECEIVED WITHIN THE SHAFT AND PROTRUDING INTO THE BIFURCATION FOR ENGAGEMENT WITH THE RECESS AND CAMMING SURFACE, AND A COMPRESSION SPRING URGING THE CAMMING PIN DOWNWARDLY AGAINST SAID UPPER EDGE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |