EP0310828A2 - Schwimmflosse mit trennbarem Schaufel- und Schuhteil - Google Patents
Schwimmflosse mit trennbarem Schaufel- und Schuhteil Download PDFInfo
- 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
Links
Images
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10675508B2 (en) | 2010-04-08 | 2020-06-09 | Cetatek Holdings Inc. | Coupleable fin apparatuses and boot toe bodies |
WO2014056066A1 (en) | 2012-10-12 | 2014-04-17 | Cetatek Holdings Inc. | Boot sole system and fin for same |
CA3047569C (en) | 2010-04-08 | 2021-04-06 | Jan Peter Ortwig | Flippers, boots, systems including same, and methods of using same |
EP3226984B1 (de) * | 2014-12-05 | 2020-04-08 | Cetatek Holdings Inc. | Koppelbare rippenvorrichtungen und stiefelspitzenkörper |
Citations (5)
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 |
-
1987
- 1987-10-09 IT IT8712553A patent/IT1213912B/it active
-
1988
- 1988-09-13 DE DE8888114920T patent/DE3866080D1/de not_active Expired - Fee Related
- 1988-09-13 ES ES198888114920T patent/ES2026617T3/es not_active Expired - Lifetime
- 1988-09-13 EP EP88114920A patent/EP0310828B1/de not_active Expired - Lifetime
- 1988-09-13 AT AT88114920T patent/ATE69175T1/de active
Patent Citations (5)
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)
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 |
---|---|
DE3866080D1 (de) | 1991-12-12 |
ATE69175T1 (de) | 1991-11-15 |
IT8712553A0 (it) | 1987-10-09 |
EP0310828A3 (en) | 1989-08-23 |
IT1213912B (it) | 1990-01-05 |
EP0310828B1 (de) | 1991-11-06 |
ES2026617T3 (es) | 1992-05-01 |
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