US 12,434,751 B2
Collapsible cart and method of use thereof
David Devis, Downey, CA (US)
Filed by David Devis, Downey, CA (US)
Filed on Oct. 13, 2022, as Appl. No. 17/965,570.
Claims priority of provisional application 63/255,395, filed on Oct. 13, 2021.
Prior Publication US 2023/0109900 A1, Apr. 13, 2023
Int. Cl. B62B 3/02 (2006.01)
CPC B62B 3/022 (2013.01) 16 Claims
OG exemplary drawing
 
1. A collapsible cart system, comprising:
a container having a front end and a back end;
a chassis coupled with a bottom of the container;
a first leg having a first end movable relative to the chassis and a second end;
a first wheel coupled with the second end of the first leg;
a first actuator connected to the chassis and the first leg, wherein the first actuator is configured to move the first leg relative to the chassis to alternate between a first position where the second end the first leg is fully extended away from the chassis and a second position where the first leg is substantially parallel with a bottom of the chassis;
a power supply electrically coupled with the first actuator, the first actuator draws power from the power supply to move the first leg between the first position and the second position; and
a first sensor disposed on the chassis and below the container, the first sensor being electrically coupled with the first actuator, wherein the first sensor is configured to detect a distance between the first sensor and a surface below the first sensor, the first sensor instructs the first actuator to move the first leg from the first position to the second position when the distance detected is less than a set value.