Water cooler filter with secure bayonet-type connection
US11123667B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 11, 2018 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Jun 23, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2323/121
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter for a water cooler includes a housing having a surface and a cavity with cavity ports. The filter end is adapted to be received in the housing. The filter end includes a cylindrical base having a surface and a neck extending from the surface. The neck has filter ports and a side surface. The side surface has oppositely directed axially extending elongated protrusions configured to be received in channels in the housing. The base surface includes a complex set of protrusions which are adapted to be received in a similarly configured set of recesses in the housing surface. The protrusions/recesses may take the form of letters, numbers or symbols. The filter end is be fully seated in the housing in bayonet-type fashion to connect the filter ports and the housing ports o permit water to flow through the filter from the water supply to the water cooler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.