Patent US4438537A successfully refreshed from Google Patents.
Patent US3820489A successfully refreshed from Google Patents.
US3820489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety rig for multi hull boats
Assignee: Kortenbach Verwaltungs- und Beteiligungsgesellschaft Mbh & Co
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Filing: 1972-12-14
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Granted: 1974-06-28
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Expires: 1992-12-14
Abstract
Abstract A multi-hull boat having its floating bodies interconnected by traverses and being equipped with a mast mounted on the deck by means of shrouds and braces, said mast being tiltable toward the port side and the starboard side while spring means are provided between the anchoring means for the shrouds.
Inventors
- 👤 F Wortmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:23
CPC Classifications
B; B63; B63B; B63B15/00; B63B15/02; B63H; B63H9/00; B63H9/04; B63H9/08; B63H9/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
188 words
A multi-hull boat, which includes: at least two floating bodies forming the hulls of the boat and parts of the deck traverse means spacing said floating bodies from and connecting them to each other while forming other parts of the deck, a mast pivotally mounted on said deck and being tiltable toward the port side and the starboard side of the boat, starboard and port side shroud means conneCted to said mast and staying the same relative to said deck, and pre-loaded spring means having the free ends thereof operatively connected to the end portions of said port side and said starboard side shroud means, port side spreader means and starboard spreader means both pivotally connected to said mast near the lower end thereof and having their free ends detachably connected to the lower ends of said starboard and port side shroud means respectively, said spring means being arranged between said spreader means and said deck, first and second cable line means respectively arranged between the ends of said spring means and said spreader means, each of said cable lines comprising a fixed block and a floating roller.
Claim 2
Dependent Claim
188 words
A multi-hull boat, which includes: at least two floating bodies forming the hulls of the boat and parts of the deck traverse means spacing said floating bodies from and connecting them to each other while forming other parts of the deck, a mast pivotally mounted on said deck and being tiltable toward the port side and the starboard side of the boat, starboard and port side shroud means conneCted to said mast and staying the same relative to said deck, and pre-loaded spring means having the free ends thereof operatively connected to the end portions of said port side and said starboard side shroud means, port side spreader means and starboard spreader means both pivotally connected to said mast near the lower end thereof and having their free ends detachably connected to the lower ends of said starboard and port side shroud means respectively, said spring means being arranged between said spreader means and said deck, first and second cable line means respectively arranged between the ends of said spring means and said spreader means, each of said cable lines comprising a fixed block and a floating roller.
Claim 3
Dependent Claim
32 words
A boat according to claim 1, which includes abutment means mounted on said deck for supporting said spring means and arranged between said cable lines and a portion of said spring means.
Claim 4
Dependent Claim
14 words
A boat according to claim 1, in which said spring means includes rubber strands.
Claim 5
Dependent Claim
33 words
A boat according to claim 1, which includes means associated with said port side and said starboard respectively for respectively inversely varying the length of said port side and said starboard shroud means.
Claim 6
Dependent Claim
134 words
A multi-hull boat, which includes: at least two floating bodies forming the hulls of the boat and parts of the deck, traverse means spacing said floating bodies from and connecting them to each other while forming other parts of the deck, a mast pivotally mounted on said deck and being tiltable toward the port side and the starboard side of the boat, starboard and port side shroud means connected to said mast and staying the same relative to said deck, and pre-loaded spring means having the free ends thereof operatively connected to the end portions of said port side and said starboard side shroud means, said spring means including rubber strands, said floating bodies and said traverses defining a cockpit, and said rubber strands extending at the stern around a portion of said cockpit.
Claim 7
Dependent Claim
134 words
A multi-hull boat, which includes: at least two floating bodies forming the hulls of the boat and parts of the deck, traverse means spacing said floating bodies from and connecting them to each other while forming other parts of the deck, a mast pivotally mounted on said deck and being tiltable toward the port side and the starboard side of the boat, starboard and port side shroud means connected to said mast and staying the same relative to said deck, and pre-loaded spring means having the free ends thereof operatively connected to the end portions of said port side and said starboard side shroud means, said spring means including rubber strands, said floating bodies and said traverses defining a cockpit, and said rubber strands extending at the stern around a portion of said cockpit.
Claim 8
Dependent Claim
154 words
A multi-hull boat which includes in combination: at least two floating bodies forming the hulls of the boat and parts of the deck, traverse means spacing said floating bodies from and connecting them to each other while forming other parts of the deck, a mast pivotally mounted on said deck and being tiltable toward the port side and the starboard side of the boat, starboard and port side shroud means connected to said mast and staying the same relative to said deck, and pre-loaded spring means having the free ends thereof operatively connected to the end portions of said port side and said starboard side shroud means, the preload of said spring means corresponding to a moment of more than 50% of the maximum stability of said boat, which includes abutment means mounted on said deck for supporting said spring means and arranged between said cable lines and a portion of said spring means.
Claim 9
Dependent Claim
154 words
A multi-hull boat which includes in combination: at least two floating bodies forming the hulls of the boat and parts of the deck, traverse means spacing said floating bodies from and connecting them to each other while forming other parts of the deck, a mast pivotally mounted on said deck and being tiltable toward the port side and the starboard side of the boat, starboard and port side shroud means connected to said mast and staying the same relative to said deck, and pre-loaded spring means having the free ends thereof operatively connected to the end portions of said port side and said starboard side shroud means, the preload of said spring means corresponding to a moment of more than 50% of the maximum stability of said boat, which includes abutment means mounted on said deck for supporting said spring means and arranged between said cable lines and a portion of said spring means.
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) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |