Pneumatic pump roller blades

Details Pneumatic pump roller blades Pneumatic pump roller blades

1993-04-19

1994-11-08

Johnson, Brian L.

Land vehicles

Skates

Wheeled skate

280811, 280 1136, 36 54, 36 93, 36115, A63C 1706, A63C 1726

Patent

active

053620763

ABSTRACT:
Shoe members having spaced parallel support flanges, wherein the flanges include a row of rotatably mounted wheels therebelow which are fashioned as a roller blade structure, having a pneumatic chamber within the side wall of the shoe structure of the roller blades employing a pneumatic pump bladder mounted relative to the tongue structure of the shoe to permit selective filling of the pneumatic side wall chamber.

REFERENCES:
patent: 3664043 (1972-05-01), Polumbus, Jr.
patent: 3823952 (1974-07-01), Kukulowicz
patent: 4638579 (1987-01-01), Gamm
patent: 4662087 (1987-05-01), Beuch
patent: 4726126 (1988-02-01), Bernhard
patent: 4730403 (1988-03-01), Walkoff
patent: 4744157 (1988-05-01), Dubner
patent: 4972611 (1990-11-01), Swartz et al.
patent: 5152083 (1992-10-01), Gagne

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