US 12,304,546 B1
Collapsible carts
Richard Elden, Manhattan Beach, CA (US)
Assigned to dbest products, Inc., Carson, CA (US)
Filed by dbest products, Inc., Carson, CA (US)
Filed on Jan. 20, 2025, as Appl. No. 19/032,431.
Application 19/032,431 is a continuation of application No. 18/759,664, filed on Jun. 28, 2024.
Application 18/759,664 is a continuation of application No. 18/542,495, filed on Dec. 15, 2023, granted, now 12,103,576, issued on Oct. 1, 2024.
Application 18/759,664 is a continuation of application No. 18/161,677, filed on Jan. 30, 2023.
Application 18/542,495 is a continuation in part of application No. 17/712,032, filed on Apr. 1, 2022, granted, now 11,565,735, issued on Jan. 31, 2023.
Application 17/712,032 is a continuation of application No. 17/143,116, filed on Jan. 6, 2021, granted, now 11,338,835, issued on May 24, 2022.
Claims priority of provisional application 63/577,068, filed on Mar. 28, 2023.
Claims priority of provisional application 63/576,750, filed on Mar. 6, 2023.
Claims priority of provisional application 62/995,375, filed on Jan. 27, 2020.
Claims priority of provisional application 62/974,956, filed on Jan. 6, 2020.
Int. Cl. B62B 3/02 (2006.01)
CPC B62B 3/025 (2013.01) 23 Claims
OG exemplary drawing
 
1. A collapsible cart configured to transition from a closed condition where it is folded up to an open condition where it is expanded for use, the collapsible cart comprising:
a frame defining a compartment, wherein:
the frame comprises at least five walls, with at least three of the walls configured to rotatably fold inwardly when the cart is folded up into the closed condition, two of which are opposing walls;
the two opposing walls each being rotatably coupled to a wall that does not fold inwardly when the cart is folded up into the closed condition;
one of the two opposing walls consists of a first panel and a second panel; and
the second panel rotatably coupled to the first panel;
a first latch part disposed on an edge of the first panel when the collapsible cart is in the closed condition and the open condition; and
a second latch part disposed on an edge of the second panel when the collapsible cart is in the closed condition and the open condition, wherein
the first latch part and the second latch part are configured to mate with one another and hold the first and second panels in a common plane when the first and second latch parts are latched together; and
when the first and second latch parts are unlatched from one another, the second panel is capable of rotating relative to the first panel.