A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 31/12 (2006.01) A63B 31/00 (2006.01) A63B 69/00 (2006.01) B63B 35/73 (2006.01)
Patent
CA 2424240
A buoyancy aid (1) comprises an integrally formed a body (10) having an inner space (14) formed therein. The body (10) has a spherical portion (11) and a stopper portion (12), and a connection portion (13) formed therebetween to join them together and form the continuously smooth outer surface of the body (10). A hole (16) is formed at one end of the spherical portion (11) to communicate the inner space (14) with the outer circumstance. A plug (2) is installed in the hole (16) to seal the hole (16) if necessary and the plug (2) can be pulled out to allow water or air from the outer circumstance to enter the inner space (14) so as to adjust buoyancy of the buoyancy aid (1). Two layers (15) of specially treated material is mounted respectively on two opposing lateral faces of the connection portion (13) to provide a soft and easily holding surface thereon for legs of a swimmer so as to facilitate the use of the buoyancy aid (1) during swimming.
Chiang Herman
Oyen Wiggs Green & Mutala Llp
LandOfFree
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