Pressurized fluid lift system for a cryogenic freezer
US4580413A · kind A · utility
9Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 6, 1985 |
| Grant date | Apr 8, 1986 |
| Priority date | — |
| Expiry date | Jun 6, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D3/11
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A cooling and or freezing tunnel is described having a toggle linkage and a pressurized fluid drive to open and close a plurality of openable sections of the tunnel for access and cleaning of the interior. The toggle linkages provide more accurate and reliable movement than the prior art means for opening such tunnels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.