Buoys – rafts – and aquatic devices – Swimming aid to increase stroke efficiency
Reexamination Certificate
2000-02-28
2001-07-24
Swinehart, Ed (Department: 3617)
Buoys, rafts, and aquatic devices
Swimming aid to increase stroke efficiency
C440S101000, C440S104000, C441S056000
Reexamination Certificate
active
06264519
ABSTRACT:
BACKGROUND OF THE INVENTION
1). Field of the Invention
This invention relates to an aquatic propulsion device.
2). Discussion of Related Art
Human powered aquatic propulsion devices are often used for purposes of sport, recreation, fishing, rescue or rehabilitation. Aquatic propulsion devices come in different configurations, some relying on primarily lower body strength and others on upper body strength. An aquatic propulsion device that relies on upper body strength often utilizes paddles for propulsion. Aquatic propulsion devices utilizing paddles are described in U.S. Pat. Nos. 5,114,371, 4,302,194, 5,348,503, and 5,649,845. Some aquatic propulsion devices utilize hand paddles such as described in U.S. Pat. Nos. 3,922,740, 5,658,224, and 5,288,254. More complex configurations are described in U.S. Pat. Nos. 3,800,734 and 4,472,147.
SUMMARY OF THE INVENTION
According to one aspect of the invention, an aquatic propulsion device is provided comprising a harness to be worn on the body of a person, at least a first elongate member, and at least a first paddle. The first elongate member has a first and second opposed ends. The first end is pivotally securable to the harness. The first paddle is secured to the second end of the first elongate member. A combination of the first elongate member and the first paddle has a first grip positioned so that the person, when wearing the harness, can reach and hold onto the first grip with a first hand and move the first grip so that the first elongate member and the first paddle pivot relative to the harness. The first grip may be located on the first elongate member or on the paddle.
REFERENCES:
patent: 356846 (1887-02-01), Martin
patent: 1894874 (1933-01-01), Kask
patent: 5387143 (1995-02-01), Pitman
patent: 6022255 (2000-02-01), Lukanovich
patent: 123262 (1927-05-01), None
patent: 19768 (1898-01-01), None
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