Collapsible carts
US11767045B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2022 |
| Grant date | Sep 26, 2023 |
| Priority date | — |
| Expiry date | Apr 16, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B2207/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A collapsible cart may include a collapsible frame, a foldable shelf, and an interior support column. The collapsible frame includes a first frame portion and a second frame portion. The frame is configured to move between an open configuration and a collapsed configuration by relative translation between the first frame portion and the second frame portion. The foldable shelf extends between the first frame portion and the second frame portion. The foldable shelf is configured to fold to allow the frame to move from the open configuration to the collapsed configuration. The column transversely extends through a column slot defined by the foldable shelf. The cart further includes at least one column brace slidably coupling the frame to the column. The cart further includes at least one shelf brace slidably coupling the foldable shelf to the column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.