| 摘要 |
<p>FIELD: transport. ^ SUBSTANCE: invention relates to supermarket wheeled cart that incorporates interlocking device. Wheel is coupled with the cart by bearer post with axle fitted thereon. Wheel rim is made to allow replacement of wheel tire, storage battery and other components through hole that can be closed by a cover. ^ EFFECT: ease of replacement of interlocking device elements. ^ 1 dwg</p> |
