Roller skate having magnetic apparatus

Details Roller skate having magnetic apparatus Roller skate having magnetic apparatus

1997-12-04

1999-10-19

Mai, Lanna

Land vehicles

Skates

Wheeled skate

280 1127, A63C 1700

Patent

active

059675306

ABSTRACT:
A roller skate has a magnetic apparatus, equipped with a rotary front wheel, four screw posts, and a wheel seat secured to the four screw posts via a fixing plate disposed at the top of the wheel seat. The wheel seat is equipped with a wheel shaft hole for a wheel shaft to be led there-through and a connecting tube communicating with the wheel shaft hole for a plastic screw rod be screwed up thereto. Both ends of the wheel shaft are engaged with a rolling wheel respectively and the middle periphery of the wheel shaft is milled with equidistant V-shaped magnetic grooves into which magnetic polarity is implanted at one vertical face respectively. A magnetic block of the same polarity as that of the V-shaped magnetic grooves is embedded at the interior of the plastic screw rod so that the force of repulsion is generated to trigger off the rotary movement of the wheel shaft which in turn will activate the rotation of the rolling wheels. Thus, the momentum of the roller skate is greatly increased without applying much pushing force to it in skating. In addition, the plastic screw rod is adjustable adapted to the wheel seat so as to adjust the speed of skating for different needs. For a beginner, the plastic screw rod can also be removed from the connecting tube so as to avoid danger due to unskilled practice.

REFERENCES:
patent: 5536026 (1996-07-01), Pozzobon et al.
patent: 5709395 (1998-01-01), Lee

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