US1664799A - Apparatus for onward movement in swimming attitude in the water - Google Patents

Apparatus for onward movement in swimming attitude in the water Download PDF

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Publication number
US1664799A
US1664799A US182936A US18293627A US1664799A US 1664799 A US1664799 A US 1664799A US 182936 A US182936 A US 182936A US 18293627 A US18293627 A US 18293627A US 1664799 A US1664799 A US 1664799A
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United States
Prior art keywords
water
onward movement
attitude
swimming attitude
swimming
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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.)
Expired - Lifetime
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US182936A
Inventor
Rudolf Pieter Van Alphen
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Rudolf Pieter Van Alphen
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Priority to NL1664799X priority Critical
Application filed by Rudolf Pieter Van Alphen filed Critical Rudolf Pieter Van Alphen
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Publication of US1664799A publication Critical patent/US1664799A/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B35/00Swimming framework with driving mechanisms operated by the swimmer or by a motor
    • A63B35/08Swimming framework with driving mechanisms operated by the swimmer or by a motor with propeller propulsion
    • A63B35/10Swimming framework with driving mechanisms operated by the swimmer or by a motor with propeller propulsion operated by the swimmer

Description

April 3, 1928. 1,664,799

R. P. VAN ALPHEN APPARATUS FOR 01mm) uovmmi'r IN swnmme ATTITUDE IN THE WATER Filed April 11. 1927 Patented Apr. 3, 1928. I v r I I i UNITED STATES PATENT OFFICE.

RUDOLF I'IETER VAN ALPHEN, F THE-HAGUE, NETHERLANDS.

APPARATUS FOR ONWARD MOVEMENT IN SWIMMING ATTITUDE IN THE WATER.

Application filed April 11, 1927, Serial No. 182,936, and in the Netherlands March 30, 1926.

The invention relates to an apparatus for In the back part 2 a propeller shaft 9 with onward movement in swimming attitude in propeller- 10 is rotatably arranged. The prothe water by the aid of a propelling device peller shalt 9 is connected by a bevel gear 40 to be driven by the feet. 7 ll, 12 with a cross shaft on which cranks 13.

T he invention contemplates simplification with pedals l t are positioned. These pedals of devices of this character by arranging are within reach of the feet of the swimmer, various parts as floating members to obtain so that the propeller can be driven by the an eliicient distribution of the floating power same. I 45 and to avoid use of separate floats. At the top of the part 2 a plane 15 is ar-' These advantages are obtained according ranged which during movement of the apto the present invention by using a vertical paratus in the water prevents this part from floating plane and two horizontal floating beingdrawn downwardly. planes arranged on the upper edges of the The support 4 and the plane are prefer- 60 same, one of which serves for supporting the ably constructed so that they supply the nec- 15 upper part of the body, the other extending essary buoyancy for the apparatus.

above the feet. I claim: e p

T 0 these floating planes the propelling and In a device of the character described, two steering devices as well as means for turlongitudinally adjustable vertical sections of 66 ther support for the body are arranged. small width in comparison to their height,

The drawing discloses aside view of an a substantially flat horizontal buoyant secapparatus constructed in accordance with tion on one of said vertical sections for supthe invention. porting the body portion of a swimmer, a

The apparatus comprises a flat body, consubstantially flat horizontal buoyant section 60 sisting of two parts 1 and 2 preferably floaton the second vertical section, a propeller ing verticallyon the water. The one part is o nt d i th -ear end of said second vertislidably attached to the other and can be ad ti ll bl means f justably positioned by the aid of a screw tating said propeller to cause movement of with winged nut 3. said device. and a manually controlled rud- 65 Th for m pa t 1 is D V with 3 der adjacent the front end ofsaid first versupport 4 with bent upper surface on which ti 1 ti th l ngitudi al adjustment of the body of the swimmer rests, and with a said vertical sections permitting adjustment support 5 for the chin. At the front averto the requirements of the individual swimtical shaft 6 is arranged rotatably. carrying Iner. below the part 1 a rudder blade 7 the top In testimony whereof I afiix my signature.

being provided with a crossbar 8 which is within the reach of the hands and therefore I RUDQLF PIETER VAN ALPHEN, may serve for turning the rudder.

US182936A 1926-03-30 1927-04-11 Apparatus for onward movement in swimming attitude in the water Expired - Lifetime US1664799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL1664799X 1926-03-30

Publications (1)

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US1664799A true US1664799A (en) 1928-04-03

Family

ID=19872935

Family Applications (1)

Application Number Title Priority Date Filing Date
US182936A Expired - Lifetime US1664799A (en) 1926-03-30 1927-04-11 Apparatus for onward movement in swimming attitude in the water

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US (1) US1664799A (en)
FR (1) FR631815A (en)
NL (1) NL17896C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3139055A (en) * 1962-11-16 1964-06-30 Robert M Nutting Water vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5643020A (en) * 1996-08-13 1997-07-01 Harris; Herman R. Personal watercraft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3139055A (en) * 1962-11-16 1964-06-30 Robert M Nutting Water vehicle

Also Published As

Publication number Publication date
FR631815A (en) 1927-12-27
NL17896C (en)

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