In line roller skate assembly having training wheels

Details In line roller skate assembly having training wheels In line roller skate assembly having training wheels

1993-04-09

1994-03-22

Johnson, Brian L.

Land vehicles

Skates

Wheeled skate

280 1126, 280 1127, A63C 1704

Patent

active

052957012

ABSTRACT:
A roller skate assembly includes a sole portion having longitudinally aligned front and rear rollers mounted thereon and a center roller which is mounted on the sole portion between the front and rear rollers. The center roller is alternatively positionable in a longitudinally aligned position relative to the front and rear rollers or a transversely offset position relative thereto.

REFERENCES:
patent: 208235 (1878-09-01), Gregg
patent: 233845 (1880-11-01), Gregg
patent: 1188377 (1916-06-01), Weaver
patent: 1609612 (1926-12-01), Eskeland
patent: 2245769 (1941-06-01), Flamm
patent: 3086787 (1963-04-01), Wyche
patent: 3351353 (1967-11-01), Weitzner
patent: 3387852 (1968-06-01), De Sarro
patent: 3963252 (1976-06-01), Carlson
patent: 4272091 (1981-06-01), Reid, Jr.
patent: 4836567 (1989-06-01), Schmid
patent: 5183276 (1993-02-01), Pratt
patent: 5192088 (1993-03-01), Yu

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