Warning system for watercraft

• US 4,871,996 A
• Filed: 01/07/1987
• Issued: 10/03/1989
• Est. Priority Date: 02/04/1986
• Status: Expired due to Term

• Current Assignee: Sanshin Kogyo Kabushiki Kaisha (Yamaha Corporation)
• Original Assignee: Sanshin Kogyo Kabushiki Kaisha (Yamaha Corporation)
• Inventors: Tsunamoto, Kanichi, Inoue, Seiji
• Primary Examiner(s): Crosland, Donnie L.
• Application Number:
  US07/001,147
• Time in Patent Office: 1,000 Days
• Field of Search: 340/521, 340/87, 340/689, 340/984-988, 340/686, 340/52 H, 340/691, 340/573, 441/11-15, 441/36, 114/275, 114/360, 116/173-175, 440/1, 440/2, 440/39, 440/40, 440/38, 440/71, 200/61.45 R, 200/52 A, 200/61.52, 200/61.85, 200/85 A
• US Class Current: 340/521
• CPC Class Codes: B63B 34/10 Power-driven personal watercraft, e.g. water scooters water jet propulsion B63H11/00; jet steering B63H25/46; Accessories therefor
• CPC Class Codes: B63C 9/0005 by means of alarm devices for persons falling into the water, e.g. by signalling, by controlling the propulsion or manoeuvring means of the boat alarms responsive to presence of persons in a body of water in general G08B21/08
• CPC Class Codes: G08B 19/00 Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
• CPC Class Codes: G08B 5/00 Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
• CPC Class Codes: G08B 7/00 Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00

Abstract

A watercraft incorporating improved warning devices for providing a warning signal in response to a abnormal condition. The abnormal condition may be either the condition when a rider is no longer present on the watercraft or when the watercraft assumes a non-normal running condition such as being capsized or inverted. In some instances, the warning is provided by a flag, a light, by a warning jet spray of water and, in others, by an audible signal. The warning may be combined so that more than one type of warning is given in response to an abnormal condition.

Claims

1. In a powered watercraft adapted to ride in the water in a normal trim condition under its own power when occupied by a rider and being displaceable into a non-normal trim condition in the water in the event the rider is displaced from the watercraft, the improvements comprising means for providing a warning signal emanating from said watercraft and that can be recognized from a distance from the watercraft by a person other than the rider in response to said watercraft assuming said non-normal trim condition in the water for location of the watercraft and displaced rider.

2. In a watercraft as set forth in claim 1 wherein the warning signal is a visual sign.

3. In a watercraft as set forth in claim 2 wherein the visual signal is provided by a warning light.

4. In a watercraft as set forth in claim 2 wherein the visual signal is provided by the erection of a flag.

5. In a watercraft as set forth in claim 1 wherein the warning signal is an audible signal.

6. In a watercraft as set forth in claim 1 wherein the watercraft may assume several non-normal trim conditions in the water and the signal is provided when any of the abnormal conditions exist.

7. In a watercraft as set forth in claim 6 wherein a different warning signal is provided for a different non-normal trim condition.

8. In a watercraft as set forth in claim 1 wherein the warning signal is provided after the watercraft assumes the non-normal trim condition for more than a predetermined time period.

9. In a watercraft as set forth in claim 8 wherein the warning signal is a visual signal.

10. In a watercraft as set forth in claim 9 wherein the visual signal is provided by a warning light.

11. In a watercraft as set forth in claim 9 wherein the visual signal is provided by the erection of a flag.

12. In a watercraft as set forth in claim 9 wherein the visual signal is provided by a jet spray of water.

13. In a watercraft as set forth in claim 8 wherein the warning signal is an audible signal.

14. In a watercraft adapted to ride in the water in a normal trim condition when occupied by a rider and being displaceable into a non-normal trim condition in the water in the event the rider is displaced from the watercraft, the improvements comprising means for providing a warning signal that can be recognized from a distance from the watercraft by a person other than the rider in response to said watercraft assuming said non-normal trim condition in the water so that the watercraft and displaced rider can be located, said signal comprising a visual signal provided by a jet spray of water.

15. In a watercraft comprising a hull, a rider'"'"'s area upon said hull, and powering means for powering said watercraft, and means for providing a warning signal that can e recognized from a distance from the watercraft by a person other than the rider in response to the rider'"'"'s area becoming unoccupied.

16. In a watercraft as set forth in claim 15 wherein the warning signal is a visual signal.

17. In a watercraft as set forth in claim 16 wherein the visual signal is provided by a warning light.

18. In a watercraft as set forth in claim 16 wherein the visual signal is provided by the erection of a flag.

19. In a watercraft as set forth is claim 16 wherein the visual signal is provided by a jet spray of water.

20. In a watercraft as set forth in claim 15 wherein the warning signal is an audible signal.

21. In a watercraft as set forth in claim 15 wherein the warning signal is responsive to a shift in the riding condition of the watercraft to indicate that a rider is no longer on the watercraft.

22. In a watercraft as set forth in claim 21 wherein the warning signal is a visual signal.

23. In a watercraft as set forth in claim 22 wherein the visual signal is provided by a warning light.

24. In a watercraft as set forth in claim 22 wherein the visual signal is provided by the erection of a flag.

25. In a watercraft as set forth in claim 22 wherein the visual signal is provided by a jet spray of water.

26. In a watercraft as set forth in claim 21 wherein the warning signal is an audible signal.

27. In a watercraft operable in a normal running condition and capable of being operated in an abnormal running condition comprising a hull, a rider'"'"'s area accommodating a rider upon said hull, and power means for powering said watercraft, the improvement comprising means for providing a water jet spray in response to an abnormal running condition.

28. In a watercraft comprising a hull as set forth in claim 27 wherein the water jet spray is provided in response to an abnormal trim condition of the watercraft in the water.

29. In a watercraft comprising a hull as set forth in claim 28 wherein the watercraft is capable of being capsized or tipped on either of its sides and a water spray is provided from the upwardly extending portion of the hull regardless of which of the abnormal conditions the watercraft assumes.