Two wheeled roller skate

Details Two wheeled roller skate Two wheeled roller skate

1988-03-28

1989-07-04

Marmor, Charles A.

Land vehicles

Skates

Wheeled skate

280 1128, 301 57, A63C 1702

Patent

active

048444928

ABSTRACT:
A two wheel roller skate has a roller that has two distinct surfaces consisting of a central part that is a curved surface and matching right and left frusto conical sections that have an angle that equals the degree of arc in the central part measured from the central point of the central part's arc providing greatly improved maneuverability.

REFERENCES:
patent: 257426 (1882-05-01), Witsil
patent: 1294984 (1919-02-01), Ware
patent: 2095942 (1937-10-01), Wetterstrand
patent: 3180651 (1965-04-01), Ware
patent: 3282598 (1966-11-01), Goodwin
patent: 3355185 (1967-11-01), Carter
patent: 4047727 (1977-09-01), Holladay et al.
patent: 4132425 (1979-01-01), Lehner et al.
patent: 4294456 (1981-10-01), Tuell et al.
patent: 4373736 (1983-02-01), Stumbaugh

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