Shoulder-supported pneumatic sweeping apparatus
US4223419A · kind A · utility
43Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 1979 |
| Grant date | Sep 23, 1980 |
| Priority date | — |
| Expiry date | Sep 7, 1999 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H1/0809
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A shoulder-supported pneumatic sweeping apparatus including a frame having attached to its upper portion a grip having a shoulder strap connected thereto, and formed at one end thereof with an air outlet port connected through a flexible pipe to an air ejecting pipe having an operating handle attached thereto. The frame is supported by the shoulder of the operator through the shoulder strap and prevented from moving unsteadily with one hand while the air ejecting pipe is operated with the other hand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.