IT973939B - IMPROVEMENT IN WATER PROPULSION DEVICES - Google Patents

IMPROVEMENT IN WATER PROPULSION DEVICES

Info

Publication number
IT973939B
IT973939B IT7254532A IT5453272A IT973939B IT 973939 B IT973939 B IT 973939B IT 7254532 A IT7254532 A IT 7254532A IT 5453272 A IT5453272 A IT 5453272A IT 973939 B IT973939 B IT 973939B
Authority
IT
Italy
Prior art keywords
improvement
propulsion devices
water propulsion
water
devices
Prior art date
Application number
IT7254532A
Other languages
Italian (it)
Original Assignee
Yamanaka Senya
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
Priority claimed from JP1568372U external-priority patent/JPS4892150U/ja
Priority claimed from JP1568272U external-priority patent/JPS4895392U/ja
Priority claimed from JP1972086875U external-priority patent/JPS4942697U/ja
Priority claimed from JP10058772U external-priority patent/JPS5131520Y2/ja
Application filed by Yamanaka Senya filed Critical Yamanaka Senya
Application granted granted Critical
Publication of IT973939B publication Critical patent/IT973939B/en

Links

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
    • A63B31/14—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs with valve-flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/70—Accessories not specially adapted for a particular type of board, e.g. paddings or buoyancy elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B63B34/50—Body-supporting buoyant devices, e.g. bathing boats or water cycles
    • B63B34/56—Body-supporting buoyant devices, e.g. bathing boats or water cycles for use in a standing position, e.g. water shoes, water walking devices or buoyant skis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H16/00—Marine propulsion by muscle power
    • B63H16/04—Oars; Sculls; Paddles; Poles
IT7254532A 1972-02-03 1972-12-06 IMPROVEMENT IN WATER PROPULSION DEVICES IT973939B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1568372U JPS4892150U (en) 1972-02-03 1972-02-03
JP1568272U JPS4895392U (en) 1972-02-03 1972-02-03
JP1972086875U JPS4942697U (en) 1972-07-18 1972-07-18
JP10058772U JPS5131520Y2 (en) 1972-08-25 1972-08-25

Publications (1)

Publication Number Publication Date
IT973939B true IT973939B (en) 1974-06-10

Family

ID=27456423

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7254532A IT973939B (en) 1972-02-03 1972-12-06 IMPROVEMENT IN WATER PROPULSION DEVICES

Country Status (5)

Country Link
US (1) US3830189A (en)
DE (1) DE2263061A1 (en)
FR (1) FR2171072B1 (en)
GB (1) GB1413667A (en)
IT (1) IT973939B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061102A (en) * 1976-10-28 1977-12-06 Bissett Thomas B Roll stabilizer for boats
US4098219A (en) * 1976-12-06 1978-07-04 Riccardo Tesan Ski propulsion paddles
FR2376672A1 (en) * 1977-01-06 1978-08-04 Chaudronn Plast Ind Exploit Walking float for use on water - has weighted keel at each side and hinged flaps to provide forwards only reactive thrust
GB8516741D0 (en) * 1985-07-02 1985-08-07 Hawthorne W M Hand-operable boat propelling unit
FR2616074A1 (en) * 1987-06-05 1988-12-09 Le Trung Tam Device for practising aquatic games and sports
DE3811252A1 (en) * 1988-04-02 1989-10-12 Ralf Tollkien Leg-mounted fin apparatus
GB8813535D0 (en) * 1988-06-08 1988-07-13 Green K Emergency propulsion device
GB2237747B (en) * 1989-10-23 1993-05-12 Sek Wai Lam Swimming flipper
FR2823981B1 (en) * 2001-04-26 2003-09-05 Giabu Ramadan Ali Hussein El PALM-LIKE SYSTEM FOR IMPROVING THE MOVEMENT PERFORMANCE OF A SWIMMER OR AQUATIC MACHINE.
CN102616358A (en) * 2012-04-13 2012-08-01 中国科学院合肥物质科学研究院 Sole of water strider robot
CN105197202A (en) * 2014-06-24 2015-12-30 王建生 Swimming assisting floating and sinking plate
FR3068612B1 (en) * 2017-07-08 2019-06-28 Darius Emadikotak Lahidjani NAUTICAL SHOES WITH FLOAT TO WALK IN WATER
CN111619777A (en) * 2020-06-08 2020-09-04 江苏科技大学 Double-propelling type bionic jellyfish robot
US11202936B1 (en) * 2021-04-19 2021-12-21 Peter L. Levy Inline deflecting swim fin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1315505A (en) * 1919-09-09 humphrey
GB158597A (en) * 1919-09-15 1921-02-17 Percy Chick An improved method of propelling vessels through water and simplifying the machinery for that purpose, using a new type of propelling device
US1757277A (en) * 1929-07-08 1930-05-06 Wegner Emil Swimming device
GB914358A (en) * 1959-12-08 1963-01-02 Seajay Craft Ltd Apparatus for effecting propulsion in a fluid
FR1412537A (en) * 1964-08-19 1965-10-01 Floating device for moving on a liquid surface

Also Published As

Publication number Publication date
GB1413667A (en) 1975-11-12
DE2263061A1 (en) 1973-08-16
FR2171072B1 (en) 1982-01-08
FR2171072A1 (en) 1973-09-21
US3830189A (en) 1974-08-20

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