EP4049923A1 - Vorrichtung zur befestigung eines aussenbordmotors am heck eines bootes - Google Patents

Vorrichtung zur befestigung eines aussenbordmotors am heck eines bootes Download PDF

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Publication number
EP4049923A1
EP4049923A1 EP22158259.6A EP22158259A EP4049923A1 EP 4049923 A1 EP4049923 A1 EP 4049923A1 EP 22158259 A EP22158259 A EP 22158259A EP 4049923 A1 EP4049923 A1 EP 4049923A1
Authority
EP
European Patent Office
Prior art keywords
shaft
boat
outboard motor
fixed
assembly
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.)
Pending
Application number
EP22158259.6A
Other languages
English (en)
French (fr)
Inventor
Carlo Selva
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.)
Selva SpA
Selva SpA
Original Assignee
Selva SpA
Selva SpA
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 Selva SpA, Selva SpA filed Critical Selva SpA
Publication of EP4049923A1 publication Critical patent/EP4049923A1/de
Pending 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
    • B63B7/08—Inflatable
    • B63B7/085—Accessories or mountings specially adapted therefor, e.g. seats, sailing kits, motor mountings
    • B63B7/087—Motor mountings, e.g. transom panels for outboard motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/02—Mounting of propulsion units
    • B63H20/06—Mounting of propulsion units on an intermediate support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/08—Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
    • B63H20/10—Means enabling trim or tilt, or lifting of the propulsion element when an obstruction is hit; Control of trim or tilt

Definitions

  • the subject of the present invention is a device for the mounting of an outboard motor at the stem of a boat, in particular an inflatable boat or dinghy, suitable for reducing the overall dimensions of the same during storage.
  • small boats or inflatable boats are used as means of support for medium to large-sized boats, in particular yachts, for transporting passengers and for excursions in waters close to coasts.
  • the space occupied by the dinghy in terms of length and height can be reduced by disassembling and deflating completely the boat when it has to be hoisted aboard, and it requires subsequent inflation and reassembly when it has to be put to sea whenever it needs to be used, operations that are long and laborious.
  • EP 3549851 A1 describes a support device for the support of an outboard motor of a boat, comprising a telescopic tubular assembly carried by a first plate rigidly connected to the transom of the boat, externally to which an electric motor is attached, that rotates a second plate cantilevered on said telescopic tubular assembly, to which the outboard motor is attached.
  • the object of the present invention is to remedy, at least in part, the disadvantages of the prior art, by proposing a device for the mounting of an outboard motor at the stern of a boat, in particular an inflatable boat or dinghy, which allows a reduction in the vertical overall dimensions, and therefore the housing in height intended for the storage, thus freeing up available space.
  • Another object of the invention is to provide such a device that allows a reduction in the vertical overall dimensions of the boat in the storage space of a "mother" boat without having to perform structural work on the same.
  • a further object of the invention is to provide such a device which can be easily and quickly operated by the user.
  • Yet another object of the invention is to provide such a device, the components of which are protected from the corrosive agents of sea water.
  • the device according to the invention for the mounting of an outboard motor at the stern of a boat, in particular an inflatable boat comprises drive means designed to move said outboard motor from a vertical position, in a sailing trim, to an inclined position, in a storage trim, with reduction in its vertical overall dimensions, wherein said drive means are mounted integral inside a boxed assembly to which the outboard motor is restrained, said boxed assembly being mounted rotatably around the axis of a solid shaft fixed to said stem, in such a way that the whole assembly constituted by the boxed assembly, by the outboard motor and by the drive means can rotate around said axis.
  • FIGS 1- 4 schematically show an inflatable boat, denoted generically by reference numeral 1, provided with a rigid transom 2 and an air-inflated tube 3 that covers the sides and the bow.
  • An outboard motor 4 is mounted at the transom 2 of the boat 1 by interposition of the mounting device 5 according to the invention, which will be described here below.
  • the mounting device 5 is made integral with the transom 2 by means of a flange 7 attached by screws 6, and the motor 4 is made integral with the device 5 by means of screws 8.
  • the characteristic of the mounting device 5 is that of allowing the rotation of the motor 2 around a horizontal axis, so that it can be brought from a vertical position, in sailing trim, to an inclined position, such as to reduce the vertical overall dimensions thereof, as schematically shown in Figures 3 and 4 .
  • the axis of rotation X of the motor passes through the vertical axis Y of boat 1, i.e. it is contained in the vertical plane containing the longitudinal axis of the boat, while in Figures 4a, 4b , the axis X is off-centre with respect to the axis Y to the right with reference to the view from the rear of boat 1.
  • a clockwise rotation of 60° is provided, which in both cases produces a reduction in the vertical overall dimensions, with lifting of the "foot” of the motor.
  • a gain can be seen with respect to the case of a centred axis of rotation ( Figs. 3a, 3b ), which increases from 28 mm to 114 mm.
  • the flange 7, provided with a hole 18, is intended to be fixed to the stem 2 of the boat 1 (not shown) by means of the screws 6, as shown in Figure 2 .
  • the device 5 comprises a hollow flanged shaft 9 attached to the flange 7 by means of screws 13, thus remaining stationary with respect to the stem 2 of the boat 1.
  • the hollow shaft 9 bears internally a "female" toothed profile which couples with the "male” profile of a solid toothed shaft 10. The coupling of these toothed profiles makes the shafts 9 and 10 integral.
  • the toothed shaft 10 has on one side a flange 11 and on the other side a tang 12 which is housed in the hole 18 of the flange 7.
  • a bearing 20 is placed, for example of the cross-roller type, whose inner and outer rings are denoted by the numbers 21 and 22.
  • the toothed shaft 10 is made integral with a crown wheel 30 and with the inner ring 21 of the bearing 20 by means of screws 23, which pass through its flanged end 11.
  • the outer ring 22 of the bearing 20 is fixed, by means of screws 23, to a perforated plate 40, provided with a central hole 45, rotatably mounted on the hollow shaft 9 with interposition of a sealing ring 41.
  • the plate 40 which in actual fact has the shape of an open box, is closed by a second plate 42 having approximately the same conformation, determining a seat 43 in which the bearing 20 and the crown wheel 30 are housed, together with the corresponding portion of the solid shaft 10.
  • a hole 44 is provided in the plate 42 for the passage of the output shaft 52 of an electric gearmotor 50 fixed externally to the plate 42 by means of screws 53.
  • a pinion 51 is splined on the shaft 52 of the gearmotor 50, which meshes with the crown wheel 30.
  • a cover plate 60 is provided to close the gearmotor 50.
  • the three plates 40, 42, 60 are restrained one to the other by means of screws 61, constituting a single boxed assembly 70 capable of rotating about the axis of the coaxial shafts 9, 10.
  • the pinion 51 with the crown wheel 30 offer not only the transmission of the motion but also a further reduction, in addition to that already guaranteed by the gearmotor 50, leading to an increase in final torque and to a necessary reduction in rpm (revolutions per minute).
  • the sealing ring 41 will prevent leaks of the oil necessary for lubricating the gear pair in the seat 43.
  • the cover plate 60 not only has the purpose of protecting the gearmotor 50 but, above all, has to hold the outboard motor fixed thereto, by means of the screws 8 shown in Figure 2 .
  • the plate 60 replaces the fixed stem, where the outboard motor is normally fitted. It rotates and drives rotation of the motor mounted on the boat.
  • a gearmotor has been indicated for driving rotation of the assembly 70.
  • a pneumatic/hydraulic, or even manual, drive could be provided, with end of stroke stops for the positions of the assembly 70.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Frames (AREA)
EP22158259.6A 2021-02-25 2022-02-23 Vorrichtung zur befestigung eines aussenbordmotors am heck eines bootes Pending EP4049923A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102021000004406A IT202100004406A1 (it) 2021-02-25 2021-02-25 Dispositivo per il montaggio di un motore fuoribordo alla poppa di un natante

Publications (1)

Publication Number Publication Date
EP4049923A1 true EP4049923A1 (de) 2022-08-31

Family

ID=75769912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22158259.6A Pending EP4049923A1 (de) 2021-02-25 2022-02-23 Vorrichtung zur befestigung eines aussenbordmotors am heck eines bootes

Country Status (2)

Country Link
EP (1) EP4049923A1 (de)
IT (1) IT202100004406A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1129478A (en) 1964-11-27 1968-10-09 Westerly Marine Construction L Improvements in or relating to water craft powered by outboard motors
US4077353A (en) * 1976-12-29 1978-03-07 Webb Jr Lewis W Motor mount for a boat
US20060223390A1 (en) * 2005-03-18 2006-10-05 Silva Richard F Amphibious water motor
EP3241735A1 (de) * 2016-05-05 2017-11-08 Ultraflex Spa Kombination eines antriebsaggregats und eines wasserfahrzeugs, verfahren zum antreiben eines wasserfahrzeugs und antriebsaggregat für ein wasserfahrzeug
EP3549851A1 (de) 2018-04-05 2019-10-09 Extender S.R.L. Stützeinheit zur unterstützung eines aussenbordmotors eines bootes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1129478A (en) 1964-11-27 1968-10-09 Westerly Marine Construction L Improvements in or relating to water craft powered by outboard motors
US4077353A (en) * 1976-12-29 1978-03-07 Webb Jr Lewis W Motor mount for a boat
US20060223390A1 (en) * 2005-03-18 2006-10-05 Silva Richard F Amphibious water motor
EP3241735A1 (de) * 2016-05-05 2017-11-08 Ultraflex Spa Kombination eines antriebsaggregats und eines wasserfahrzeugs, verfahren zum antreiben eines wasserfahrzeugs und antriebsaggregat für ein wasserfahrzeug
EP3549851A1 (de) 2018-04-05 2019-10-09 Extender S.R.L. Stützeinheit zur unterstützung eines aussenbordmotors eines bootes

Also Published As

Publication number Publication date
IT202100004406A1 (it) 2022-08-25

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