Lock catch, heat preservation plate assembly and refrigerator
US11339819B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 28, 2017 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Mar 6, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D23/065
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A lock catch comprises: a first lock catch portion, comprising: a first housing and a first connection portion arranged in the first housing; and a second lock catch portion, comprising: a second housing, a surface of the second housing includes a first and second insert hole; a rotary draw-bar assembly arranged in the second housing and comprising a draw-bar and rotation portion arranged on the draw-bar, the rotation portion and the first insert hole arranged oppositely, one end of the draw-bar includes a second connection portion matching the first connection portion, another end of the draw-bar includes a fixed connection portion, and the second connection portion connected to the first connection portion by the rotation portion driving the draw-bar to rotate, and a fixed shaft, arranged in the second housing and opposite the second insert hole, the fixed shaft locked with the fixed connection portion by rotating a specified angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.