| 摘要 |
A basket on a wheeled frame has as its front and side walls a generally U-shaped mesh and a planar mesh as the floor. A rear gate closes an open rear of the basket and pivots upward when another cart is nested therein. A basket top margin is reinforced by an inner and outer horizontal ring, both running along the upper terminuses of vertical struts of the U-shaped mesh, and by vertical struts of larger diameter uniformly distributed among the other vertical struts. A bottom outside horizontal ring makes smooth the bottom corners of the basket. Bumper strips are mountable on top the terminuses of said vertical struts. A raised collapsible pocket inside the basket has as its front wall a panel moveable between an open position tilted away from the rear gate and a collapsed position flat against the rear gate. The panel is also a back rest for a seated child. A floor of the pocket collapses downwardly of its own weight through a hole defined by the panel as the panel is collapsed. Holes in the rear gate accommodate a child's legs. A hole closure is moveable between a raised position against the rear gate and a lowered position resting on the pocket floor, and has an inclined forward edge by which it is forced by a collapsing panel into its raised position where it will remain until intentionally lowered by an operator. Bumpers mount on front vertical corners of the basket.
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