Patent · US Expired

Portable handheld work apparatus such as a motor-driven chain saw

US6152089A · kind A · utility

6Cited by

12References

10Claims

0Family size

Assignee

Andreas Stihl AG & Co. KG · DE

Inventors

Philipp Neumann · Stuttgart, DE
Bernhard Durr · Stuttgart, DE
Helmut Lux · Winnenden, DE
Eberhard Bohnaker · Leutenbach, DE

Key dates

Filing date	Nov 24, 1998
Grant date	Nov 28, 2000
Priority date	—
Expiry date	Nov 24, 2018

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02B2075/027
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a portable handheld work apparatus such as a motor-driven chain saw having an internal combustion engine mounted in a housing for driving a work tool. A cooling-air blower is mounted on one side of the housing. The cooling-air blower is covered by a blower cover having air-intake openings. The blower cover has a bearing lug facing toward the cooling-air blower. A pull-rope starter for starting the engine is held on the bearing lugs and the housing of the pull-rope starter is attached to the blower cover. The pull-rope starter housing is configured as a component separate from the blower cover in order to minimize the disturbance of the cooling-air inflow by the pull-rope starter housing. This component is attached at a spacing to the air-intake openings of the blower.

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