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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
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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 13:27
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

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