Patent ID: 11884315
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Transport (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 0:
1. A shopping cart comprising:
an upper frame;
a basket comprising:
a first bottom having a first perimeter;
three sides coupled to and extending upward from the first bottom; and
a gate extending substantially downward from a first side of the three sides and a second side of the three sides, wherein the first bottom, the three sides, and the gate at least partly define an interior cavity of the basket to hold at least a first item;

a chassis coupled to the upper frame;
a first expansion joint that attaches a first portion of the chassis to a front-left portion of the first bottom of the basket;
a second expansion joint that attaches a second portion of the chassis to a front-right portion of the first bottom of the basket;
a third expansion joint that attaches a third portion of the chassis to a back-left portion of the first bottom of the basket;
a fourth expansion joint that attaches a fourth portion of the chasses to a back-right portion of the first bottom of the basket;
one or more weight sensors, the one or more weight sensors disposed between the chassis and the basket;
a shelf coupled to and extending substantially horizontally from a back-portion of the first bottom of the basket, the shelf comprising:
a second bottom having a second perimeter; and
four sides coupled to and extending upward from the second perimeter, wherein the second bottom and the four sides define an interior cavity of the shelf to hold at least a second item;

a substantially vertical member extending substantially downward from the upper frame and to a top of a wheel frame; and
wheel castors coupled to a bottom of the wheel frame.