Vacuum cleaner
US10226158B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2015 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Mar 1, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2201/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner capable of ensuring communication between a suction port and a dust collecting unit even in a state that a body portion of a cleaning unit has pivoted along an up/down direction relative to a main casing. The body portion is provided on the main casing to be pivotable along the up/down direction. A sliding-contact surface portion is provided in the body portion and curved along a pivoting direction of the body portion. A curved surface portion is provided in the communicating section body and curved along the pivoting direction of the body portion to be brought into sliding contact with the sliding-contact surface portion by pivoting motion of the body portion. A communicating opening is opened in the curved surface portion to communicate with the dust collecting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.