Patent · US Expired

Portable engine-operated working machine

US4721070A · kind A · utility

44Cited by
10References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1987
Grant dateJan 26, 1988
Priority date
Expiry dateApr 17, 2007

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B2063/046
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A portable engine-operated working machine includes a pair of frame members each having at least a horizontal top bar and a pair of vertical bars extending downwardly from the opposite ends of the horizontal top bar, a bottom cover interconnecting the lower ends of the frame members, a carrying handle interconnecting the horizontal top bars of the frame members, an engine supported on the bottom cover, and a working unit supported on the bottom cover adjacent to the engine.

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