Composite wheels for in-line roller skates

Details Composite wheels for in-line roller skates Composite wheels for in-line roller skates

1993-10-08

1995-03-28

Johnson, Brian L.

Land vehicles

Skates

Wheeled skate

280 1122, 301 53, 301 647, A63C 1714, A63C 1722

Patent

active

054010373

ABSTRACT:
In-line roller skates whose wheels make it possible for a skater to stop without the need for a braking pad or other special expedients for this purpose. Each skate includes a boot to accommodate the skater's foot and a frame secured to the underside of the boot supporting a series of in-line wheels having a composite structure. Each composite wheel includes a center section formed of hard material, such as high-density polyethylene, having a low coefficient of friction, the center section being flanked by side sections formed of relatively soft material, such as cast polyurethane, having a high coefficient of friction. In order to stop or reduce speed, the skater turns the in-line skates away from the direction of travel as he would when braking ice skates. This maneuver causes a portion both of the hard and a soft section of the composite wheels, now angled with respect to the direction of travel, to frictionally engage the ground to effect a braking action.

REFERENCES:
patent: 282156 (1883-07-01), Burton
patent: 320774 (1885-06-01), Gardner
patent: 321873 (1885-07-01), Wicker
patent: 1687113 (1928-10-01), Stockdale
patent: 4699432 (1987-10-01), Klamer
patent: 5028058 (1991-07-01), Olson
patent: 5092614 (1992-03-01), Malewicz
patent: 5129709 (1992-07-01), Klamer
patent: 5312165 (1994-05-01), Spletter

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