Balancing apparatus for surf board
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United States of America Patent
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Jul 25, 1989
Grant Date -
N/A
app pub date -
May 13, 1988
filing date -
May 13, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A balancing apparatus having a surf board, an upstanding support post and a main universal joint connected in-between the bottom of the surf board and the top of the support post. The surf board can be tilted relatively to the support post about two different axes passing through the center of the support post.
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