Handheld cleaner
US10258209B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2016 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Feb 16, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C2009/008
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A handheld cleaner is provided. The handheld cleaner includes: a dust cup assembly comprising: a cup casing; a device housing configured to have a tube shape and disposed in the cup casing, wherein an outer end face of the device housing at an axial side thereof abuts against or extends out of a partial inner surface of the cup casing, and a dust removal chamber is defined between an inner surface of the cup casing and an outer peripheral surface of the device housing and surrounds the device housing along a circumferential direction of the device housing; and a negative pressure device located within the device housing and configured to enable dusty air to enter the dust removal chamber for dust and air separation; a holding assembly mounted to the dust cup assembly and configured for handholding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.