Land vehicles – Skates – Ball type roller skates
Patent
1998-09-04
1999-10-19
Swann, J. J.
Land vehicles
Skates
Ball type roller skates
280 1122, 280 1123, 280 1127, 301 53, A63C 1706
Patent
active
059675527
ABSTRACT:
An in-line wheeled skate which includes one or more rollers located between the wheels and above the ground plane, thereby enabling the skater to jump up on a rail (or other supporting surface) and roll down the rail sideways, as in `extreme skating` maneuvers, by placing the skate on the rail with the rollers bearing upon the rail surface. The rollers may be, for example, cylindrical or spherical, and are preferably located between left and right side planes of the skate wheels.
REFERENCES:
patent: 1332702 (1920-03-01), Wisniewski
patent: 3522951 (1970-08-01), Tyson
patent: 3936061 (1976-02-01), Wada
patent: 4076263 (1978-02-01), Rand
patent: 4618158 (1986-10-01), Liberkowski
patent: 5207454 (1993-05-01), Blankenburg et al.
patent: 5566058 (1996-10-01), Sinelnikov
patent: 5716074 (1998-02-01), Theodorou
Roderick John A.
Willis David R.
Mar Michael
Mearthane Products Corporation
Swann J. J.
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