Self-balancing adjustable rack device and refrigerator having the same
US12298064B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 17, 2021 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Nov 8, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2325/021
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention discloses a self-balancing adjustable rack device and a refrigerator having the same; the rack device includes a rack assembly, slide rail assemblies and a synchronizing assembly, the rack assembly includes a rack body and brackets, the slide rail assemblies are arranged on two sides of the rack body in a vertical direction, the synchronizing assembly includes at least one tensioning piece and at least two pulleys, one end of the tensioning piece is fixed at an upper end of a sliding plate, and the other end of the tensioning piece is fixed at a lower end of another sliding plate in the slide rail assembly on the other side through the pulleys, such that two sides of the rack assembly can be balanced in a moving process, and meanwhile, a pulling force is provided for the rack assembly by the tensioning piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.