US 12,291,255 B2
Collapsible cart
Richard Elden, Manhattan Beach, CA (US)
Assigned to dbest products, Inc., Carson, CA (US)
Filed by dbest products, Inc., Carson, CA (US)
Filed on Jul. 8, 2024, as Appl. No. 18/766,407.
Application 18/766,407 is a continuation in part of application No. 18/542,495, filed on Dec. 15, 2023.
Application 18/542,495 is a continuation of application No. 18/161,677, filed on Jan. 30, 2023.
Application 18/161,677 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 63/633,163, filed on Apr. 12, 2024.
Claims priority of provisional application 63/628,273, filed on Jul. 7, 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.
Prior Publication US 2024/0359719 A1, Oct. 31, 2024
Int. Cl. B62B 3/02 (2006.01)
CPC B62B 3/025 (2013.01) 18 Claims
OG exemplary drawing
 
1. An accordion-style collapsible cart convertible between a collapsed position and an expanded position forming one or more compartments, the cart having a top, a bottom, a front, a rear, and left and right sides, the cart comprising:
a front wall at the front of the cart, the front wall having top, bottom, left, and right edges;
a rear wall at the rear of the cart, the rear wall having top, bottom, left, and right edges;
a left wall at the left side of the cart, the left wall having top, bottom, front, and rear edges, the front edge of the left wall being rotatably connected to the left edge of the front wall at a front left corner joint, the rear edge of the left wall being rotatably connected to the left edge of the rear wall at a rear left corner joint, the left wall comprising a plurality of left collapsible portions, the left wall further comprising a left interstitial member having a front left interstitial joint and a rear left interstitial joint, each left collapsible portion comprising:
a pair of left panels each having a distal edge and a proximate edge, the respective proximate edges of the two left panels rotatably connected to each other at a left panel joint such that the respective distal edges of the two left panels can be rotated either inwardly toward each other or outwardly away from each other;
a right wall at the right side of the cart, the right wall having top, bottom, front, and rear edges, the front edge of the right wall being rotatably connected to the right edge of the front wall at a front right corner joint, the rear edge of the right wall being rotatably connected to the right edge of the rear wall at a rear right corner joint, the right wall comprising a plurality of right collapsible portions, the right wall further comprising a right interstitial member having a front right interstitial joint and a rear right interstitial joint, each right collapsible portion comprising:
a pair of right panels each having a distal edge and a proximate edge, the respective proximate edges of the two right panels rotatably connected to each other at a right panel joint such that the respective distal edges of the two right panels can be rotated either inwardly toward each other or outwardly away from each other; and
a plurality of bottom panels connectable to the cart at the bottom of the cart.