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US 2020/0346679 A1Published application
Cart robot with automatic following function
AssigneeLG Electronics Inc.
InventorsAnna KIM, Sunryang KIM, Yoonsik KIM, Keunsik NO, Jaecheon SA, Woojin JEONG
Life of this patent
Estimating the term…
Abstract
A basket assembly for receiving goods therein; a main body coupled to a bottom of the basket assembly to support the basket assembly; a handle assembly installed on one side of the main body; a wheel assembly rotatably coupled to a bottom of the main body to move the main body in a direction in which a force is applied to the handle assembly; and a battery installed inside the main body for supplying electrical energy to the wheel assembly.
Claims20
A cart robot, comprising:
- a battery;
- a basket assembly to receive goods therein;
- a main body coupled to a bottom of the basket assembly to support the basket assembly;
- a handle assembly connected to a rear side of the main body, the handle assembly including:
- a handlebar;
- and
- a force sensing assembly configured to detect a force applied by a user to the handlebar;
- and
- a wheel assembly rotatably coupled to a bottom of the main body and configured to move the main body in a direction of the force applied to the handlebar using electrical energy supplied from the battery.
6 more elements
A cart robot, comprising:
- a battery;
- a basket assembly to receive goods therein;
- a main body coupled to a bottom of the basket assembly to support the basket assembly;
- a handle assembly connected to a rear side of the main body, the handle assembly including:
- a handlebar;
- and
- a force sensing assembly configured to detect a force applied by a user to the handlebar;
- a wheel assembly including:
- a main wheel;
- and
- an in-wheel motor mounted inside the main wheel and configured to apply a driving force to the main wheel;
- and
- a controller configured to:
- determine a direction of the force applied to the handlebar by the user, based on the force detected by the force sensing assembly, and
- control the in-wheel motor to supply the driving force to the main wheel based on the determined direction, to assist the force applied by the user.
12 more elements
Dependencies are inferred from the claim text.