Patent · US Expired

CHAIN SAW HAVING A TWO-CYCLE OR TWO-STROKE ENGINE, AND A HAND-HELD POWER TOOL SUCH AS A CHAIN SAW, TRIMMER, OR POWER CUTTER HAVING A TWO-CYCLE OR TWO-STROKE ENGINE, AND A METHOD FOR THE CONSTRUCTION THEREOF

US6491006B2 · kind B2 · utility

12Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 4, 2001
Grant dateDec 10, 2002
Priority date
Expiry dateMay 4, 2021

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B2075/025
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a chain saw having a two-cycle or two-stroke engine. The present invention also relates to a hand-held power tool such as a chain saw, trimmer, or power cutter having a two-cycle or two-stroke engine. The present invention further relates to a method for the construction of a hand-held power tool such as a chain saw, trimmer, or power cutter having a two-cycle or two-stroke engine. The chain saw, trimmer, or power cutter has a housing for containing a two-cycle engine with a crankcase having scavenging ducts.

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