US 7,357,767 B2 | ||
Adjustable balance board with freely moveable sphere fulcrum | ||
Elysia Tsai, 100 S. Seranado St., Unit 105, Orange, Calif. 92869 (US) | ||
Filed on Jul. 26, 2006, as Appl. No. 11/493,243. | ||
Claims priority of provisional application 60/703197, filed on Jul. 28, 2005. | ||
Prior Publication US 2007/0027010 A1, Feb. 01, 2007 | ||
Int. Cl. A63B 22/14 (2006.01) |
U.S. Cl. 482—146 | 22 Claims |
1. A balance board comprising:
a board having a top side, a bottom side, and an outer circumference;
a railing attached to the bottom side of the board;
a rigid sphere freely placed within the railing;
an end stop attachable to different portions of the railing; and
a rigid semi-sphere having a planar side and a spherical side, wherein the planar side is attachable to different portions
of the end stop.
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