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
Assignee
Inventors
Key dates
| Filing date | May 4, 2001 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | May 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.