Cleaning wheel including reels and transmission for cleaning film
US12408806B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2022 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | Oct 5, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L25/005
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cleaning equipment includes a first take-up reel, a first supply reel, a frame, a first cleaning film, and a transmission assembly. The frame includes an inner space accommodating the first take-up reel and the first supply reel side by side and an outer surface having at least one gap communicating with the inner space. The first cleaning film has a supply part on the first supply reel, a take-up part on the first take-up reel, and a middle part at least partially covering the outer surface of the frame. Two ends of the middle part enter the inner space through the at least one gap and are connected to the supply part and the take-up part, respectively. The transmission assembly is coupled to the first supply reel and the first take-up reel and drives at least one of the first supply reel and the first take-up reel to rotate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.