EP0115856A2 - Boot mit Stabilisierungsflossen - Google Patents

Boot mit Stabilisierungsflossen Download PDF

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Publication number
EP0115856A2
EP0115856A2 EP84101026A EP84101026A EP0115856A2 EP 0115856 A2 EP0115856 A2 EP 0115856A2 EP 84101026 A EP84101026 A EP 84101026A EP 84101026 A EP84101026 A EP 84101026A EP 0115856 A2 EP0115856 A2 EP 0115856A2
Authority
EP
European Patent Office
Prior art keywords
boat
flap
set forth
flaps
pair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84101026A
Other languages
English (en)
French (fr)
Other versions
EP0115856A3 (en
EP0115856B1 (de
Inventor
Alex R. Kaye
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT84101026T priority Critical patent/ATE32049T1/de
Publication of EP0115856A2 publication Critical patent/EP0115856A2/de
Publication of EP0115856A3 publication Critical patent/EP0115856A3/en
Application granted granted Critical
Publication of EP0115856B1 publication Critical patent/EP0115856B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B7/00—Collapsible, foldable, inflatable or like vessels
    • B63B7/06—Collapsible, foldable, inflatable or like vessels having parts of non-rigid material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B63B39/061—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water by using trimflaps, i.e. flaps mounted on the rear of a boat, e.g. speed boat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B7/00—Collapsible, foldable, inflatable or like vessels
    • B63B2007/003—Collapsible, foldable, inflatable or like vessels with foldable members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
    • F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines

Definitions

  • This invention relates to improvements in the stabilizing of small boats having outboard motors and, more particularly, to a boat having flaps for keeping the stern of the boat from riding too low in the water as the boat moves in a forward direction.
  • Prior art includes Canadian Patent 940389.
  • the present invention satisfies the aforesaid need by providing a pair of flaps for the bottom panels of a boat.
  • the panels can be of any one of several different embodiments, the purpose of the flaps being to provide either a drag force on the boat or to provide planing surfaces therefor.
  • the flaps stabilize the boat so that stern of the boat has substantially no tendency to sink lower in the water as the boat is moved forwardly under the influence of an outboard motor. In this way, the boat is kept substantially level, is easier to handle, and can operate at greater speeds with minimum discomfort to an occupant of the boat.
  • the primary object of the present invention is to provide a boat having flap means thereon to cause the boat to remain substantially level in the water and to prevent the lowering of the stern of the boat during forward movement thereof through the water to eliminate stability problems and to achieve greater speed for the boat without discomfort to an occupant of the boat.
  • Another object of the present invention is to provide a collapsible boat having a pair of bottom panels with each panel having a flap thereon in position to provide either drag for the boat near the stern or to provide a planing surface to keep the stern riding relatively high in the water during forward movement of the boat to avoid the problems caused by lowering of the stern, such as when an outboard motor is used with the boat.
  • the present invention is adapted to be used with a boat at the stern thereof to keep the stern from dropping too far into the water as the boat moves forwardly, especially when driven by an outboard motor near the stern of the boat.
  • the present invention will be described with respect to a collapsible boat 10 of the type described in U.S. Patent 3,482,368.
  • Such a boat in its expanded form is shown in Fig. 3 and includes a pair of side panels 12 and 14 and a pair of bottom panels 16 and 18.
  • Panels 12 and 16 are hingedly coupled along a first hinge line 20; panels 14 and 18 are hingedly coupled along a second hinge line 22; and panels 16 and 18 are hingedly coupled along a third hinge line 24.
  • the panels of boat 10 are formed from a resilient sheet material, such as polyethylene, having a thickness of about 0.25 inches.
  • planks 26, 28 and 30 are inserted between panels 12 and 14 as shown in Fig. 3 to keep panels 12 and 14 bowed outwardly and separated from each other.
  • Panels 12 and 14 have a tendency to return to their collapsed or inoperative positions due to their resilience; thus, they exert endwise forces on planks 26, 28 and 30, thereby holding the planks in place.
  • the boat will collapse and fold into a compact condition as shown in Fig. 1, only panel 16 being shown in Fig. 1, the other panels being aligned with panel 16 but on the opposite side thereof and not observable in Fig. 1.
  • hinge lines 20 and 24 are seen in Fig. 1.
  • the boat is shown in its expanded condition with panel 12 being observed along with panel 16 and hinge lines 20 and 24.
  • Boat 10 can be used with paddles or with an outboard motor. If a motor is used, the motor is attached to the stern 32 of the boat and the boat can then be driven in a forward direction by the motor.
  • the present invention provides a flap system for a boat, particularly boat 10, to eliminate this problem and to provide a means for keeping the stern relatively high in the water, i.e., keeping the boat substantially level in the water, especially when the boat has only a single occupant.
  • FIG. 1 A first embodiment of the flap system of the present invention is shown in Figs. 1, 2, and 4.
  • This system includes a pair of flaps 34 which have front marginal edges 36 and rear marginal edges 38.
  • Each flap 34 has an outer side edge 40 and an inner side edge 42.
  • Each flap is secured near its rear edge 38 by fasteners 44 to the bottom surface of a respective bottom panel of the boat.
  • Edge 42 of each flap is near hinge line 24 as shown in Figs. 1 and 4, and edge 40 of each flap particularly extends longitudinally of the curvature of hinge line 20 as shown in Fig. 1.
  • Flaps 34 are formed from a suitable material, such as polypropylene.
  • a suitable material such as polypropylene.
  • each flap 34 in its retracted position, each flap 34 will be generally contiguous to the bottom surface of the boat in the manner shown in Fig. 2.
  • the force of the water due to forward thrust of the boat tends to cause the flap to assume the dashed line position shown in Fig. 2.
  • the boat experiences drag due to the flaps, and this condition will cause the stern of the boat to ride relatively high in the water.
  • the movement of the flaps 34 from their retracted positions to their operative positions is in response to the movement of the boat through the water.
  • the flaps substantially return to the retracted positions shown in full lines in Fig. 2.
  • Strap means 41 (Figs. 5-8) is used to releasably carry the boat, when collapse, from the top of a vehicle 42 and also for carrying the boat by hand as shown in Fig. 6.
  • Strap means 41 includes a center strap 44 and a pair of end straps 46 which pass through loops at the ends of center strap 44. The ends of each strap 46 have hooks 48 as shown in Figs. 7 and 8 for releasably attaching the straps to the rain gutters on the sides of the vehicle 42.
  • Take-up buckles 49 of conventional construction are provided for each strap 46, respectively, so that the length of the strap can be adjusted for use in the manner shown in Fig. 5 and for the use in the manner shown in Fig. 6.
  • each strap 46 When used in the manner shown in Fig. 6, each strap 46 has its end hooks 48 coupled together so that the strap forms a loop which encircles the boat as shown in Fig. 6. Moreover, strap 44 has a take-up loop 50 which allows adjustment in the length of strap 44 for use in the manner shown in Fig. 5 and in the manner shown in Fig. 6. Typically, strap 44 is formed into two segments, 44a and 44b, as shown in Fig. 6. A sheath 45 is carried on segment 44a to provide a cushion effect to prevent discomfort to the person carrying the boat with strap means 41.
  • a second embodiment of the flap system of the present invention is shown in Figs. 9-11 and includes a pair of flaps 60 which are generally rectangular in shape as shown in Figs. 9 and 11.
  • Each flap 60 has a front edge margin 62, a rear end margin 64 and a pair of side edge margins 66 and 68 (Fig. 9).
  • Each flap 60 is secured by fasteners 70 near the front marginal edge 62 thereof, fasteners being secured to bottom panel 16 and 18 (Fig. 3).
  • flaps 60 are formed from a suitable, resilient material, such as polypropylene material of about 0.25 inches thick.
  • flaps 60 In the retracted positions, flaps 60 normally assume the full line positions of Fig. 10 wherein an extension of rearwardly and upwardly from the bottom panel 16 and 18. However, the flaps 60 can be moved into operative positions (the dashed line positions of Fig. 10) by moving, smaller flaps 72 from the full line positions of Fig. 10 to the dashed line positions, each flap 72 having a tab 74 on the lower end thereof which is frictionally received within a slot 76 in the corresponding flap 60. This attachment holds flap 60 in the dashed line position of Fig.
  • flap 60 causes flap 60 to form a planing surface for the boat when the boat is driven through the water by an outboard motor coupled to the stern 32 of the boat.
  • the planing action of flaps 60 keeps the stern riding relatively high in the water and keeps the bow relatively low in the water, thus providing increased stability for the boat and allowing a single occupant of the boat to ride in a more comfortable fashion.
  • Flaps 60 are also shown in Fig. 16 in their operative positions in which the flaps 60 are held in place by smaller flaps 72.
  • Each smaller flap 72 has a pair of holes therethrough to allow water to pass through the flap without exerting a substantial rearward force thereon.
  • the smaller flaps are secured by fasteners 73 to bottom panels 16 and 18.
  • Fig. 12 shows a modification of flap 60.
  • flap 60a is of a one-piece construction and has a lower, main segment 61 for planing purposes.
  • a second, upper segment 63 is hinged to and integral with segment 61 at a rear location 65.
  • a third segment 67 is hinged to and integral with segment 63 at location 69.
  • a pin 71 is removably secured to the adjacent bottom panel of the boat to releasably secure segment 67 to the boat with main segment 61 in its operative, planing position shown in Fig. 12.
  • pin 71 When pin 71 is removed, segments 63 and 67 straighten out and become substantially coextensive with segment 61.
  • the flap 60a will be forced upwardly and against the adjacent bottom panel of the boat and no planing action will occur.
  • a third embodiment of the flap system of the present invention is shown in Figs. 13-15 and includes a pair of generally rectangular flaps 80 which are integral with each other and form a center strip 82 as shown in Fig. 15.
  • Strip 82 is secured by fasteners 84 or other means to boat 10 on the hinge line 24 thereof, there being no other connection of flaps 80 to the boat as in the case of flap 34 and 60 described above.
  • the flap system of Figs. 13-15 is a one-piece construction and is comprised of a resilient material, such as polypropylene or the like.
  • a typical thickness of flaps 80 is 0.25 inches.
  • flaps 80 The resilience of flaps 80 causes them to be substantially contiguous with the other surface of panel 16 as shown in Fig. 13 when boat 10 is collapsed. However, when the boat is expanded into its operative position as shown in Fig. 3, the flaps 80 extend laterally and outwardly of hinge line 24 in spaced relationship to bottom panels 16 and 18 as shown in Fig. 14 so that they typically assume positions very nearly the same as those of flaps 60 (Figs. 10 and 11) except that flaps 80 might possibly project slightly downwardly from bottom panels 16 and 18 due to the resilience of flaps 80. In any case, in their operative positions, flaps 80 provide a planing effect for boat 10 which causes the stern of the boat to ride relatively high in the water when the boat is propelled forwardly, such as with an outboard motor attached to stern 32 of the boat.
  • boat 10 is provided with a rigid plate 90 (Figs. 16 and 17), plate 90 being secured by fasteners 92 to rear ends of bottom walls 16 and 18.
  • flaps 60 are shown in Fig. 16, the flaps being in their operative positions and held by second flaps 72.
  • bracket 94 To rigidify the connection between plate 90 and boat 10, a rigid bracket 94, preferably of metal, is carried by fasteners 96 on boat 10, bracket 94 having a lower flange 98 and an upper flange 100. Lower flange 98 extends along the inner surface of bottom panels 16 and 18 of the boat, and upper flange 100 extends along the inner surface of plate 90 and is secured to plate 90 by fasteners 102. Thus, an outboard motor can be rigidly secured to plate 90 and flange 100 and thereby be more safely connected to the boat.
  • the connection of the side flanges 95 of bracket 94 assures that a downward force can be exerted on plate 90 while keeping the plate in a fixed position with respect to the boat.

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Superstructure Of Vehicle (AREA)
  • Barrages (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Adjustment And Processing Of Grains (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Clamps And Clips (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Seal Device For Vehicle (AREA)
  • Toys (AREA)
  • Measuring Fluid Pressure (AREA)
  • Catching Or Destruction (AREA)
EP84101026A 1983-02-01 1984-02-01 Boot mit Stabilisierungsflossen Expired EP0115856B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84101026T ATE32049T1 (de) 1983-02-01 1984-02-01 Boot mit stabilisierungsflossen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46281183A 1983-02-01 1983-02-01
US462811 1983-02-01

Publications (3)

Publication Number Publication Date
EP0115856A2 true EP0115856A2 (de) 1984-08-15
EP0115856A3 EP0115856A3 (en) 1986-02-26
EP0115856B1 EP0115856B1 (de) 1988-01-20

Family

ID=23837843

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101026A Expired EP0115856B1 (de) 1983-02-01 1984-02-01 Boot mit Stabilisierungsflossen

Country Status (12)

Country Link
EP (1) EP0115856B1 (de)
JP (2) JPS59176187A (de)
KR (1) KR880002158B1 (de)
AT (1) ATE32049T1 (de)
AU (2) AU562718B2 (de)
CA (1) CA1211656A (de)
DE (1) DE3468849D1 (de)
DK (1) DK160976C (de)
GR (1) GR79731B (de)
IT (1) IT1177534B (de)
MX (1) MX157695A (de)
NO (1) NO161787C (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0236544A2 (de) * 1986-03-07 1987-09-16 Claudio De Beni Zusammenfaltbares Boot
US8555734B2 (en) 2005-08-22 2013-10-15 Technology Investment Company Pty Ltd Stabilising means
US20160257378A1 (en) * 2013-11-28 2016-09-08 My Canoe Co., Ltd. Foldable canoe

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816521A (en) * 1956-02-28 1957-12-17 Robert B Alexander Power boat stabilizing device
FR1520327A (fr) * 1966-04-25 1968-04-05 Dispositif à panneau correcteur d'assiette et de bande pour bateaux
US3482368A (en) * 1967-07-24 1969-12-09 Benjamin H Stansbury Jr Hinge
US3530816A (en) * 1968-07-19 1970-09-29 Herman Mitchell Power boat stabilizing apparatus
US3601078A (en) * 1970-01-19 1971-08-24 William A Bedford Jr Automatic trim tab
US3866557A (en) * 1972-11-24 1975-02-18 Thomas G Lang Semi-submerged vessel adaptable to sailing
FR2250663A1 (de) * 1973-11-13 1975-06-06 Taganrogsky Mashinostroitelmy
US4323027A (en) * 1980-06-23 1982-04-06 Schermerhorn William H Trim tab for power boat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643837A (en) * 1950-04-28 1953-06-30 Rivers Walter Motor mount
US3179960A (en) * 1962-06-18 1965-04-27 Ray F Nimmo Knock-down pontoon-craft construction
JPS534716A (en) * 1976-07-05 1978-01-17 Mitsubishi Steel Mfg Super heigh pressure valve materials and production of the same
JPS58105890A (ja) * 1981-12-18 1983-06-23 Yamaha Motor Co Ltd 船舶

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816521A (en) * 1956-02-28 1957-12-17 Robert B Alexander Power boat stabilizing device
FR1520327A (fr) * 1966-04-25 1968-04-05 Dispositif à panneau correcteur d'assiette et de bande pour bateaux
US3482368A (en) * 1967-07-24 1969-12-09 Benjamin H Stansbury Jr Hinge
US3530816A (en) * 1968-07-19 1970-09-29 Herman Mitchell Power boat stabilizing apparatus
US3601078A (en) * 1970-01-19 1971-08-24 William A Bedford Jr Automatic trim tab
US3866557A (en) * 1972-11-24 1975-02-18 Thomas G Lang Semi-submerged vessel adaptable to sailing
FR2250663A1 (de) * 1973-11-13 1975-06-06 Taganrogsky Mashinostroitelmy
US4323027A (en) * 1980-06-23 1982-04-06 Schermerhorn William H Trim tab for power boat

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0236544A2 (de) * 1986-03-07 1987-09-16 Claudio De Beni Zusammenfaltbares Boot
EP0236544A3 (en) * 1986-03-07 1988-02-03 Claudio De Beni Foldable boat
US8555734B2 (en) 2005-08-22 2013-10-15 Technology Investment Company Pty Ltd Stabilising means
US20160257378A1 (en) * 2013-11-28 2016-09-08 My Canoe Co., Ltd. Foldable canoe
JP2016538198A (ja) * 2013-11-28 2016-12-08 マイカヌー カンパニー リミテッドＭｙｃａｎｏｅ Ｃｏ．， Ｌｔｄ 折畳式カヌー
US9815523B2 (en) * 2013-11-28 2017-11-14 My Canoe Co., Ltd. Foldable canoe

Also Published As

Publication number Publication date
JPH0743967U (ja) 1995-10-09
KR840007689A (ko) 1984-12-10
AU562718B2 (en) 1987-06-18
NO840370L (no) 1984-08-02
MX157695A (es) 1988-12-09
NO161787B (no) 1989-06-19
DK160976C (da) 1991-11-04
EP0115856A3 (en) 1986-02-26
AU7724687A (en) 1987-11-26
JPS59176187A (ja) 1984-10-05
DK160976B (da) 1991-05-13
GR79731B (de) 1984-10-31
EP0115856B1 (de) 1988-01-20
IT8447632A0 (it) 1984-02-01
AU590956B2 (en) 1989-11-23
CA1211656A (en) 1986-09-23
DE3468849D1 (en) 1988-02-25
DK42584A (da) 1984-08-02
NO161787C (no) 1989-09-27
DK42584D0 (da) 1984-01-31
ATE32049T1 (de) 1988-02-15
KR880002158B1 (ko) 1988-10-17
IT1177534B (it) 1987-08-26
AU2398184A (en) 1984-08-02

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