Magnetically-restored steerable roller skate

Details Magnetically-restored steerable roller skate Magnetically-restored steerable roller skate

2005-08-09

2005-08-09

Ellis, Christopher P. (Department: 3618)

Land vehicles

Skates

Wheeled skate

C280S011280, C280S011190

Reexamination Certificate

active

06926290

ABSTRACT:
A steerable roller skate includes: a sole member of a skate boot or fastening strap of roller skate having a pair of rear wheels transversely rotatably secured to a rear bottom portion of the sole member, a steering base steerably secured on a front bottom portion of the sole member, a pair of front wheels transversely rotatably secured on the steering base, a first circular magnet secured on a central bottom portion of the sole member, and a second circular magnet secured on the steering base adjacent to the first circular magnet having opposite magnetic polarities of the first and second circular magnets for normally attracting the second magnet to the first magnet with a greater magnetic attractive force between the first and second magnets for efficiently magnetically restoring the steering base and the front wheels for automatically resetting a straightforward orientation of the roller skate.

REFERENCES:
patent: 4434524 (1984-03-01), Gilchrist
patent: 4505502 (1985-03-01), Tomita
patent: 5183277 (1993-02-01), Tang
patent: 5441287 (1995-08-01), Tang
patent: 5711539 (1998-01-01), Tang
patent: 5967530 (1999-10-01), Chung
patent: 6439584 (2002-08-01), Lai

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