| 摘要 |
Disclosed herein is a caster skate apparatus to be propelled in a direction changeable manner by use of rider's both feet. The apparatus comprises front and rear boards ( 20, 30 ) to support both feet thereon, first and second rollers ( 22, 23 ) mounted to the underside of the front board at front and rear locations by a predetermined distance, third and fourth rollers ( 32, 33 ) mounted to the underside of the rear board at front and rear locations by a predetermined distance, a flexible connector ( 52 ) having a predetermined length and connected at opposite ends thereof to the front and rear boards to allow the front and rear boards to independently move within a predetermined range. A rotating center of each of the first and third rollers is spaced apart from an axis, having a predetermined inclination angle with respect to undersides of the respective boards, by a predetermined distance.
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