Land vehicles – Skates – Wheeled skate
Patent
1992-01-28
1993-02-02
Mitchell, David M.
Land vehicles
Skates
Wheeled skate
280 1119, 280809, A63C 1706
Patent
active
051832763
ABSTRACT:
A balance training apparatus for a roller transportation device having a series of in-line wheels positioned beneath the user's foot. The training apparatus has a U-shaped wheel well attached to the tandem roller skate for positioning a training wheel adjacent the roller wheels for rotation about an axis parallel with the axis of the roller wheel rotation and along a parallel, nonintersecting line of travel to the roller wheels when the roller wheels engage a travel surface at an acute angle.
REFERENCES:
patent: 301676 (1884-07-01), Clark
patent: 308744 (1884-12-01), Brix
patent: 1694374 (1928-12-01), Colwell
patent: 2259346 (1941-10-01), Long
patent: 4273345 (1981-06-01), Ben-Dor et al.
patent: 4310168 (1982-01-01), Macaluso
patent: 4512590 (1985-04-01), Stenvall
Brody, Jane E., "Personal Health", The New York Times, (May 2, 1991), p. B14.
Mitchell David M.
Seneca Sports Inc.
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