Portable blower
US4945604A · kind A · utility
81Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1989 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | Dec 4, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/2857
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A portable rechargeable battery-operated slender tubular blower for removing relatively light debris from hard surfaces such as sidewalks, driveways, decks or workbench surfaces. The blower uses an axial flow blower fan arranged for noise minimization and energy efficient operation. Blower tube inlet and outlet portions are arranged debris removal effectiveness by optimizing airflow volume and velocity parameters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.