Floor brush assembly for upright vacuum cleaner and upright vacuum cleaner with the same
US10448798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2016 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Mar 4, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2023/126
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A floor brush assembly for an upright vacuum cleaner (1) and an upright vacuum cleaner (1) with the same are disclosed. The floor brush includes a brushroll (11); a motor (22) driving the brushroll (11) to roll via a drive belt (13) that is winded upon a motor shaft (221) of the motor (22) and a central part of the brushroll (11); and a brushroll casing (12) provided outside the brushroll (11), having a dust suction port and defining a brushroll air-suction channel (122) and a drive-belt mounting chamber (123) for mounting the drive belt, in which the brushroll air-suction channel (122) comprises a first air-suction channel (1221) and a second air-suction channel (1222) located at both sides of the drive-belt mounting chamber (123).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.