WO1994023992A1 - Propelling device for practising water-skiing - Google Patents

Propelling device for practising water-skiing Download PDF

Info

Publication number
WO1994023992A1
WO1994023992A1 PCT/IT1994/000048 IT9400048W WO9423992A1 WO 1994023992 A1 WO1994023992 A1 WO 1994023992A1 IT 9400048 W IT9400048 W IT 9400048W WO 9423992 A1 WO9423992 A1 WO 9423992A1
Authority
WO
WIPO (PCT)
Prior art keywords
propelling device
float
motor
thrust rod
water
Prior art date
Application number
PCT/IT1994/000048
Other languages
French (fr)
Inventor
Fabrizio Lucernoni
Giorgio Lazzeri
Original Assignee
Fabrizio Lucernoni
Giorgio Lazzeri
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 Fabrizio Lucernoni, Giorgio Lazzeri filed Critical Fabrizio Lucernoni
Priority to AU68065/94A priority Critical patent/AU6806594A/en
Publication of WO1994023992A1 publication Critical patent/WO1994023992A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/66—Tugs
    • B63B35/665—Floating propeller units, i.e. a motor and propeller unit mounted in a floating box
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/18—Training appliances or apparatus for special sports for skiing
    • A63B69/187—Training appliances or apparatus for special sports for skiing for water-skiing

Definitions

  • the present invention relates to a propelling device for practising water-skiing.
  • This invention seeks to avoid the hauling craft so that the water-skier can practise such sport in a self- controlling manner at a rather low cost and under safety conditions regarding himself and third parties as well.
  • a propelling device comprising in combination an outlined float in which a prime mover which can be a motor with propeller or a water-jet drive is installed, and a rigid thrust rod in ⁇ tegral with such float and provided with the motor con ⁇ trols and an elastic cross-bar supporting the rear side of the skier's body for his propulsion.
  • a prime mover which can be a motor with propeller or a water-jet drive
  • a rigid thrust rod in ⁇ tegral with such float and provided with the motor con ⁇ trols and an elastic cross-bar supporting the rear side of the skier's body for his propulsion.
  • the fore end of said thrust rod carries in addition to the motor controls also an emergency switch located at the handle and intended to automatically stop the motor whenever said handle is let fall down because of accidental reasons.
  • FIG. 1 is a side elevation view of the device
  • Fig. 2 is a top plan view
  • Fig. 3 is a front elevation view
  • Fig. 4 shows the device in operation
  • Fig. 5 shows another embodiment provided with two handles and backboard;
  • Figs. 6 and 7 show a further embodiment provided with seat.
  • letter L indicates the water line and numeral 10 indicates a pair of parallel outlined floats of the catamaran type connected by plat ⁇ form 11 supporting a motor 12 of commercial type and suit ⁇ able power protected by removable hood 13.
  • thrust rod 18 formed of two parts connected by joint -19 and ending at the free end in a knob handle 20 controlling the motor.
  • An emergency pull switch 21 is located near the knob 20 in order to automatically stop the motor whenever knob 20 is let fall down for any reason.
  • a float 27 is located at the fore end of thrust rod 18 to allow rod 18 to float.
  • thrust rod 18 carries a cross-bar on which a soft sleeve 22 is applied.
  • Figure 4 shows the use of the device according to the in ⁇ vention: the skier holds knob 20 and is pushed forward by soft sleeve 22 engaging his back.
  • the emergency switch is preferably a pull switch, as mentioned above, so that the motor stops simultaneously whenever the skier lets fall knob 20 down for any intentional or accidental reason.
  • thrust rod 18 carries two symmetri ⁇ cal rod extensions 23 shaped as a handlebar, and soft sleeve 22 co-operates with a backboard 24 carried by sup ⁇ port rod 25 in a position which can be adjusted by clamp 26.
  • the motor can be either a motor with propeller or a water-jet drive.
  • FIG 6 there is shown an embodiment in which instead of the above-described soft sleeve a seat-shaped float is provided which allows water-skiing to be practised either standing as usual or sitting as shown in Figure 7.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Toys (AREA)

Abstract

A propelling device for practising water-skiing consists in combination of an outlined float (10) carrying a prime mover (12) which can be a motor with propeller or a water-jet drive, a rigid thrust rod (18), one end of which is integral with the float (10) and the other end is provided with the necessary motor controls (20, 21), wherein said rod engages the skier's back so as to provide for this support and movement.

Description

Propelling device for practising water-skiing
The present invention relates to a propelling device for practising water-skiing.
It is beyond doubt that water-skiing unlike the tradi- tional downhill ski is a very expensive sport reserved only to the elite of people. This is due to the need of having a suitable craft for hauling the skier. In most cases it is necessary to involve a third person who sup¬ ports the driver of the hauling craft in order to co-ordi- nate the activities of the driver and the skier.
This invention seeks to avoid the hauling craft so that the water-skier can practise such sport in a self- controlling manner at a rather low cost and under safety conditions regarding himself and third parties as well.
According to the invention there is provided a propelling device comprising in combination an outlined float in which a prime mover which can be a motor with propeller or a water-jet drive is installed, and a rigid thrust rod in¬ tegral with such float and provided with the motor con¬ trols and an elastic cross-bar supporting the rear side of the skier's body for his propulsion. Still according to the invention the fore end of said thrust rod carries in addition to the motor controls also an emergency switch located at the handle and intended to automatically stop the motor whenever said handle is let fall down because of accidental reasons.
This invention will now be escribed with reference to the annexed drawings showing by way of an illustrative, non- limitative example a preferred embodiment of the inven¬ tion. In the drawings - Fig. 1 is a side elevation view of the device,* Fig. 2 is a top plan view,- Fig. 3 is a front elevation view,- Fig. 4 shows the device in operation; Fig. 5 shows another embodiment provided with two handles and backboard;
Figs. 6 and 7 show a further embodiment provided with seat.
With reference to Figures 1 to 3 letter L indicates the water line and numeral 10 indicates a pair of parallel outlined floats of the catamaran type connected by plat¬ form 11 supporting a motor 12 of commercial type and suit¬ able power protected by removable hood 13. In the midplane of floats 10 a drive shaft 14 carrying a propeller 15 pro- tected by safety grating 16 carried by the submersed frame
17 is located.
Secured at the front side of platform 11 is a thrust rod
18 formed of two parts connected by joint -19 and ending at the free end in a knob handle 20 controlling the motor. An emergency pull switch 21 is located near the knob 20 in order to automatically stop the motor whenever knob 20 is let fall down for any reason. A float 27 is located at the fore end of thrust rod 18 to allow rod 18 to float. As can be seen in Figures 2 and 3 thrust rod 18 carries a cross-bar on which a soft sleeve 22 is applied.
Figure 4 shows the use of the device according to the in¬ vention: the skier holds knob 20 and is pushed forward by soft sleeve 22 engaging his back. The emergency switch is preferably a pull switch, as mentioned above, so that the motor stops simultaneously whenever the skier lets fall knob 20 down for any intentional or accidental reason. In Figure 5, in which the same references indicates al¬ ready described parts, thrust rod 18 carries two symmetri¬ cal rod extensions 23 shaped as a handlebar, and soft sleeve 22 co-operates with a backboard 24 carried by sup¬ port rod 25 in a position which can be adjusted by clamp 26.
As already mentioned, the motor can be either a motor with propeller or a water-jet drive.
In Figure 6 there is shown an embodiment in which instead of the above-described soft sleeve a seat-shaped float is provided which allows water-skiing to be practised either standing as usual or sitting as shown in Figure 7.
The present invention has been illustrated and described, according to a preferred embodiment thereof, however, it should be understood that construction modification can be made by one skilled in the art without departing from the scope of the present invention.

Claims

Claims
1. A propelling device for practising water-skiing, wherein it comprises in combination a prime mover (12) mounted to an outlined float (10) , and a rigid thrust rod
(18) integral with said float (10) and supporting the back of the skier's body, thus causing the propulsion thereof.
2. A propelling device according to claim 1, characterized in that said float is formed of two parallel floating bodies (10) placed side by side of the catamaran type con- nected to a platform (11) on which the motor (12) is in¬ stalled.
3. A propelling device according to claims 1 and 2, char¬ acterized in that said thrust rod (18) carries a cross-bar provided with a soft floating sleeve (22) supporting the skier's back.
4. A propelling device according to claims 1 to 3, charac¬ terized in that the fore end of the thrust rod (18) car- ries a knob (20) controlling the motor (12) and an emer¬ gency switch (21) intended to automatically stop the motor (12) .
5. A propelling device according to claims 1 to 4, charac- terized in that the prime mover (12) can be either a motor provided with propeller having a protecting safety grating or a water-jet drive.
6. A propelling device according to claims 1 to 5, charac- terized in that the thrust rod (18) carries at the fore end a handlebar (23) and co-operates with a backboard (24) carried by an adjustable support (25) .
7. A propelling device according to claims 1 to 6, charac- terized in that the thrust rod (18) is provided with a float shaped as a seat which allows the skier to practise water-skiing either standing or sitting.
PCT/IT1994/000048 1993-04-21 1994-04-20 Propelling device for practising water-skiing WO1994023992A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU68065/94A AU6806594A (en) 1993-04-21 1994-04-20 Propelling device for practising water-skiing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT93RM000249A IT1265326B1 (en) 1993-04-21 1993-04-21 WATER SKI PRACTICE DEVICE.
ITRM93A000249 1993-04-21

Publications (1)

Publication Number Publication Date
WO1994023992A1 true WO1994023992A1 (en) 1994-10-27

Family

ID=11401724

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT1994/000048 WO1994023992A1 (en) 1993-04-21 1994-04-20 Propelling device for practising water-skiing

Country Status (3)

Country Link
AU (1) AU6806594A (en)
IT (1) IT1265326B1 (en)
WO (1) WO1994023992A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1348243A (en) * 1963-02-22 1964-01-04 Device propelled by a motor and allowing to practice water skiing independently
US3786774A (en) * 1972-08-21 1974-01-22 W Gabel Airboat
DE2442127A1 (en) * 1974-09-03 1976-03-11 Helmut Schmidt Miniature tow boat for water skier - allowing skier to determine direction and speed independently of outside aid has rigid steering column
DE2645764A1 (en) * 1976-10-09 1978-04-13 Murr Plastik Gmbh Detachable buoyant power unit for e.g. air mattress - has small hull with sealed-in batteries and control by tiller allowing push or pull propulsion
US4606728A (en) * 1985-02-11 1986-08-19 Simpson James D Water ski aid
US5041040A (en) * 1990-08-01 1991-08-20 Jones Ronald O Motorboat, without driver, controlled by water skier skiing, or optionally controlled by a driver

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1348243A (en) * 1963-02-22 1964-01-04 Device propelled by a motor and allowing to practice water skiing independently
US3786774A (en) * 1972-08-21 1974-01-22 W Gabel Airboat
DE2442127A1 (en) * 1974-09-03 1976-03-11 Helmut Schmidt Miniature tow boat for water skier - allowing skier to determine direction and speed independently of outside aid has rigid steering column
DE2645764A1 (en) * 1976-10-09 1978-04-13 Murr Plastik Gmbh Detachable buoyant power unit for e.g. air mattress - has small hull with sealed-in batteries and control by tiller allowing push or pull propulsion
US4606728A (en) * 1985-02-11 1986-08-19 Simpson James D Water ski aid
US5041040A (en) * 1990-08-01 1991-08-20 Jones Ronald O Motorboat, without driver, controlled by water skier skiing, or optionally controlled by a driver

Also Published As

Publication number Publication date
IT1265326B1 (en) 1996-10-31
ITRM930249A0 (en) 1993-04-21
ITRM930249A1 (en) 1994-10-21
AU6806594A (en) 1994-11-08

Similar Documents

Publication Publication Date Title
US5362269A (en) Personal water vehicle
US5249998A (en) Water sports device
US5100354A (en) Water sports device
US4688508A (en) Small-sized marine craft with shell construction having hand grips
US2950923A (en) Sled
JPH0741874B2 (en) Small jet propulsion boat
WO1994023992A1 (en) Propelling device for practising water-skiing
US3280786A (en) Hydroscooter
EP1697199B1 (en) Device for activities on snow, water or the like
US5605111A (en) Submersible aquatic sled
EP0246853A1 (en) Towed underwater sledge
US5005506A (en) Recreational water vehicle
US5143008A (en) Sailboard
US8146524B1 (en) Seating arrangement for a vehicle
US4625669A (en) Small-sized marine craft having an upstanding peripheral flange
US20040048525A1 (en) Watercycle for wet rider
WO1988005745A1 (en) Watercraft
US3119364A (en) Life saving sled
GB2124158A (en) Water planing board
EP0201326B1 (en) Small watercraft
JP2827316B2 (en) Small water vehicle
US6712018B2 (en) Shielding fairing for a personal watercraft
US3375801A (en) Amphibious device
US10737785B1 (en) Personal flying water jet board system
US4979459A (en) Small sized jet propulsion boat

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU BB BG BR BY CA CN CZ FI HU JP KP KR KZ LK LV MG MN MW NO NZ PL RO RU SD SK UA US UZ VN

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: CA