公开(公告)号：US11091182B1

公开(公告)日：2021-08-17

申请号：US16518569

申请日：2019-07-22

Applicant: Amazon Technologies, Inc.

Inventor： Racha Lwali ,  Ruolan Wang

IPC: B62B3/02

Abstract: Disclosed are various embodiments for a multi-surface cart that can be modified or configured to move along different underlying surfaces. The cart can include a transport unit and an adjustable base unit that extends below a bottom surface of the transport unit. The adjustable base unit can be adjusted such that the cart is movable along a first surface in a first configuration with a plurality of wheels on the first surface and is moveable along a second surface in a second configuration with an underlying panel of the adjustable base unit on the second surface.