Patent · US Expired

Portable sweeping device

US4461055A · kind A · utility

33Cited by

6References

12Claims

0Family size

Assignee

Andreas Stihl · DE

Inventors

Gerhard Zerrer · Bad Marienberg, DE
Hans Trumpf · Leutenbach, DE

Key dates

Filing date	Jun 30, 1982
Grant date	Jul 24, 1984
Priority date	—
Expiry date	Jun 30, 2002

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01G20/47
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A portable sweeping device which operates with an air-blast flow, and comprises a housing having a handle arranged at the upper end, and a fanwheel blower or impeller arranged in the housing and driven by an internal combustion engine arranged in the direction of the axis of rotation of the blower; the blower generates an air flow which exits through an air discharge outlet of the housing. The axis of rotation of the fanwheel blower is arranged at least substantially vertically during use.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.