EP0310828A2 - Schwimmflosse mit trennbarem Schaufel- und Schuhteil - Google Patents

Schwimmflosse mit trennbarem Schaufel- und Schuhteil Download PDF

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Publication number
EP0310828A2
EP0310828A2 EP88114920A EP88114920A EP0310828A2 EP 0310828 A2 EP0310828 A2 EP 0310828A2 EP 88114920 A EP88114920 A EP 88114920A EP 88114920 A EP88114920 A EP 88114920A EP 0310828 A2 EP0310828 A2 EP 0310828A2
Authority
EP
European Patent Office
Prior art keywords
swim fin
shoe
blade
fin according
blade portion
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
EP88114920A
Other languages
English (en)
French (fr)
Other versions
EP0310828A3 (en
EP0310828B1 (de
Inventor
Roberto Semeia
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.)
Scubapro Europe SRL
Original Assignee
Scubapro Europe SRL
Scubapro Italy 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 Scubapro Europe SRL, Scubapro Italy SpA filed Critical Scubapro Europe SRL
Priority to AT88114920T priority Critical patent/ATE69175T1/de
Publication of EP0310828A2 publication Critical patent/EP0310828A2/de
Publication of EP0310828A3 publication Critical patent/EP0310828A3/en
Application granted granted Critical
Publication of EP0310828B1 publication Critical patent/EP0310828B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B31/00—Swimming aids
    • A63B31/08—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs
    • A63B31/10—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet
    • A63B31/11—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet attachable only to the feet
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B31/00—Swimming aids
    • A63B31/08—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs
    • A63B31/10—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet
    • A63B31/11—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet attachable only to the feet
    • A63B2031/112—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet attachable only to the feet with means facilitating walking, e.g. rectractable, detachable or pivotable blades

Definitions

  • This invention relates to a swim fin of the type wherein the propulsion blade portion and the shoe portion are manufactured separately and are disconnectably connected to each other by means of suitable connecting members.
  • the blade portion is usually provided at the rear end thereof, i.e. the end facing the shoe portion, with two longitudinal lateral extensions designed to be fitted into corresponding seatings or sockets formed in enlargements at the sides of said shoe portion. Said enlargements give the shoe portion a certain stiffness which makes it difficult to put on and uncomfortable to walk.
  • the propulsion blade comprises, between the two lateral extensions thereof, a cage-like structure which is engaged with the toe of the shoe portion to help interconnecting said two portions. Said coupling means renders the construction of the flipper complicated, and entails difficult operations to couple the two portions thereof.
  • This invention aims to overcome said disadvantages and for this purpose it provides a swim fin of the type described in the preamble, wherein the means for coupling said two portions together, which is extremely simple per se , ensures a perfect solidarization thereof with a quick and easily conceivable operation, without affecting the softness characteristics of the shoe portion.
  • the propulsion blade comprises, at the end adjoining the shoe portion, a flattened tang portion which is at a small angle to the body of said shoe portion and is designed to be fitted into a recess of corresponding shape, formed in the thickness of the sole of said shoe portion.
  • said blade comprises an upper transverse bridge member which is supported at both sides by two side ridges constructed as extensions of two intermediate ribs of said blade, said bridge member and side ridges interengaging, upon interconnecting the two portions of the swim fin, with corresponding seatings or sockets formed in the toe portion of said shoe.
  • the swim fin according to the invention comprises a small snap-detent which ensures the connection between the two portions thereof.
  • the numeral 1 indicates the blade portion and 2 indicates the shoe portion of a swim fin according to the invention, said blade and shoe portions being constructed as separate members and being disconnectably interconnected by suitable coupling means.
  • the blade 1 which may be made of any suitable flexible material, either metallic, such as aluminum, or plastics, comprises at the rear end thereof, facing the shoe portion 2, a flattened tang portion 3 of substantially triangular configuration and at a small angle to the body of said blade. Said tang portion 3, of unitary construction with the blade 1 proper, is fitted, upon coupling the two fin portions together, into a correspondingly shaped recess 4 formed in the sole 5 of the shoe portion 2 which usually is made of rubber-like soft plastics material.
  • said blade 1 comprises, just above said tang portion 3, a transverse bridge member 6 which is supported at both sides by two ridge-members 7 which extend on the top surface of the blade so as to constitute a pair of stiffening ribs therefor.
  • a transverse groove 9 and two lateral flat seatings 10 are formed in the toe of the shoe portion 2, which, upon connecting the two portions of the swim fin, will be engaged by said bridge member 6 and ridge-members 7 of the blade portion, respectively.
  • said ridge-members 7 comprise a small triangular lug 107, co-planar with said ridge-member and extending towards said shoe portion.
  • Each lug 107 is designed, upon assembling the swim fin, to fit into a mating recess 110 in the respective seating 10 of the shoe portion.
  • the swim fin according to the invention comprises a snap-detent locking device.
  • Said snap-detent device comprises a flexible detent 11 formed in the tang portion 3, particularly in the area thereof joining the body of the blade 1. Upon connecting said blade and shoe portions together, said detent 11 will engage by a snap action with a catch 12 formed on the toe of said shoe, so as to firmly connect the two fin portions together.
  • Said locking device additionally, comprises means to easily lift said detent 11 to separate the two fin portions.
  • Said means comprises a tongue 13 which is formed by cutting through the blade at the area where said detent 11 joins the tang portion 3, so that by manually depressing said tongue downwards said detent will be moved upwards, the narrow strip of material 14 between the former and the latter acting as a hinge (see Fig. 7).
  • Said locking device is provided also with safety means against any inadvertent actuation of the tongue 13.
  • Said means comprises a small knob 15 rotatably mounted on the tongue 13 through a spindle 115, and provided with a radial pin 215 which normally, by striking against the edge of the slot defining said tongue 13, prevents any actuation of the latter.
  • said actuation can be effected by purposely rotating said knob 15 so as to bring said pin 215 in register with a notch 101 formed in the edge of said slot.
  • a swim fin according to the invention has, when compared to the conventional swim fin of the same type, several advantages including: - firm connection between blade and shoe portions; - easy connection and disconnection of the two fin portions; - good fitting of the shoe; - simple general construction.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Toys (AREA)
EP88114920A 1987-10-09 1988-09-13 Schwimmflosse mit trennbarem Schaufel- und Schuhteil Expired - Lifetime EP0310828B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88114920T ATE69175T1 (de) 1987-10-09 1988-09-13 Schwimmflosse mit trennbarem schaufel- und schuhteil.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8712553A IT1213912B (it) 1987-10-09 1987-10-09 Pinna per nuoto con pala e scarpetta separabili
IT1255387 1987-10-09

Publications (3)

Publication Number Publication Date
EP0310828A2 true EP0310828A2 (de) 1989-04-12
EP0310828A3 EP0310828A3 (en) 1989-08-23
EP0310828B1 EP0310828B1 (de) 1991-11-06

Family

ID=11141519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114920A Expired - Lifetime EP0310828B1 (de) 1987-10-09 1988-09-13 Schwimmflosse mit trennbarem Schaufel- und Schuhteil

Country Status (5)

Country Link
EP (1) EP0310828B1 (de)
AT (1) ATE69175T1 (de)
DE (1) DE3866080D1 (de)
ES (1) ES2026617T3 (de)
IT (1) IT1213912B (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0572853A1 (de) * 1992-06-03 1993-12-08 TECHNISUB S.p.A. Schwimmflosse
FR2705245A1 (fr) * 1993-05-13 1994-11-25 Promar Sarl Palmes de Natation.
EP0685242A1 (de) * 1994-05-20 1995-12-06 HTM SPORT S.p.A. Schwimmflosse
WO1997018014A1 (en) * 1995-11-16 1997-05-22 Dacor Corporation Multi-part diving fin
EP1127590A1 (de) * 2000-02-25 2001-08-29 HTM SPORT S.p.A. Schwimmflosse mit auswechselbarem Flossenblatt
EP1389483A1 (de) * 2002-08-12 2004-02-18 Rhys James Couzyn Flossen mit abnehmbarem Flossenblatt
US6814640B1 (en) * 2003-07-07 2004-11-09 Michael Houck Swim fin
GB2507031A (en) * 2012-08-25 2014-04-23 Joel Winter A shoe with detachable fin
WO2017124181A1 (en) * 2016-01-22 2017-07-27 Cetatek Holdings Inc. Coupleable fin apparatuses and boot toe bodies
DE102011112980B4 (de) 2011-09-09 2018-10-31 Florian Bullacher Set aufweisend einen Taucherschuh, einer Taucherflosse sowie einer Kraftübertragungsverbindung zwischen dem Taucherschuh und der Taucherflosse
WO2019075580A1 (en) * 2017-10-20 2019-04-25 Cetatek Holdings Inc. COMBINABLE PALM APPARATUS AND BOOT TIP BODY
WO2020182981A1 (de) * 2019-03-13 2020-09-17 Logar Daniel Tauchflosse

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014056066A1 (en) 2012-10-12 2014-04-17 Cetatek Holdings Inc. Boot sole system and fin for same
US10675508B2 (en) 2010-04-08 2020-06-09 Cetatek Holdings Inc. Coupleable fin apparatuses and boot toe bodies
CA2796127C (en) 2010-04-08 2019-08-13 Jan Peter Ortwig Flippers, boots, systems including same, and methods of using same
CA3007239C (en) * 2014-12-05 2023-09-12 Cetatek Holdings Inc. Coupleable fin apparatuses and boot toe bodies

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178738A (en) * 1961-11-16 1965-04-20 Everett A Brunner Convertible swim fin
BE660073A (de) * 1965-02-02 1965-06-16
FR1416268A (fr) * 1963-12-05 1965-10-29 Palme de natation
FR2505663A1 (fr) * 1981-05-13 1982-11-19 Giovanni Alain Di Dispositif d'assemblage de voilure rigide avec une poche de pied souple pour palme de natation
FR2543004A1 (fr) * 1983-03-25 1984-09-28 Dessault Hugues Palme de natation a voilure amovible

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178738A (en) * 1961-11-16 1965-04-20 Everett A Brunner Convertible swim fin
FR1416268A (fr) * 1963-12-05 1965-10-29 Palme de natation
BE660073A (de) * 1965-02-02 1965-06-16
FR2505663A1 (fr) * 1981-05-13 1982-11-19 Giovanni Alain Di Dispositif d'assemblage de voilure rigide avec une poche de pied souple pour palme de natation
FR2543004A1 (fr) * 1983-03-25 1984-09-28 Dessault Hugues Palme de natation a voilure amovible

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0572853A1 (de) * 1992-06-03 1993-12-08 TECHNISUB S.p.A. Schwimmflosse
US5324219A (en) * 1992-06-03 1994-06-28 Technisub S.P.A. Swimming flipper
FR2705245A1 (fr) * 1993-05-13 1994-11-25 Promar Sarl Palmes de Natation.
EP0685242A1 (de) * 1994-05-20 1995-12-06 HTM SPORT S.p.A. Schwimmflosse
US5588890A (en) * 1994-05-20 1996-12-31 Htm Sport S.P.A. Swimming fin
WO1997018014A1 (en) * 1995-11-16 1997-05-22 Dacor Corporation Multi-part diving fin
US5683279A (en) * 1995-11-16 1997-11-04 Dacor Corporation Multi-part diving fin
US6322412B2 (en) 2000-02-25 2001-11-27 Htm Sport S.P.A. Swimming flipper with interchangeable blade
EP1127590A1 (de) * 2000-02-25 2001-08-29 HTM SPORT S.p.A. Schwimmflosse mit auswechselbarem Flossenblatt
EP1389483A1 (de) * 2002-08-12 2004-02-18 Rhys James Couzyn Flossen mit abnehmbarem Flossenblatt
US6814640B1 (en) * 2003-07-07 2004-11-09 Michael Houck Swim fin
DE102011112980B4 (de) 2011-09-09 2018-10-31 Florian Bullacher Set aufweisend einen Taucherschuh, einer Taucherflosse sowie einer Kraftübertragungsverbindung zwischen dem Taucherschuh und der Taucherflosse
GB2507031A (en) * 2012-08-25 2014-04-23 Joel Winter A shoe with detachable fin
WO2017124181A1 (en) * 2016-01-22 2017-07-27 Cetatek Holdings Inc. Coupleable fin apparatuses and boot toe bodies
WO2019075580A1 (en) * 2017-10-20 2019-04-25 Cetatek Holdings Inc. COMBINABLE PALM APPARATUS AND BOOT TIP BODY
WO2020182981A1 (de) * 2019-03-13 2020-09-17 Logar Daniel Tauchflosse

Also Published As

Publication number Publication date
IT1213912B (it) 1990-01-05
EP0310828A3 (en) 1989-08-23
IT8712553A0 (it) 1987-10-09
ES2026617T3 (es) 1992-05-01
ATE69175T1 (de) 1991-11-15
DE3866080D1 (de) 1991-12-12
EP0310828B1 (de) 1991-11-06

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