Patent · US Active

Balancing arrangement for minimizing bending stress in a power cutter arm

US8631780B2 · kind B2 · utility

1Cited by

3References

15Claims

0Family size

Assignee

HUSQVARNA AB · SE

Inventors

Hans Petersson · Handen, SE
Mattias Holmdahl · Göteborg, SE
Anders Lundgren

Key dates

Filing date	Nov 23, 2010
Grant date	Jan 21, 2014
Priority date	—
Expiry date	Nov 23, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02B75/06
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A power cutter powered by a single cylinder internal combustion engine, the power cutter including: a tool unit having at least one tool, which can be rotated about an axis of rotation; a drive unit including an engine, the engine including an engine cylinder having a cylinder bore centerline, a piston, a crankshaft with a crankshaft axis of rotation and a flywheel, the crankshaft running in a counter clockwise direction as seen towards the flywheel; a cutter arm attached to the drive unit in its inner end and its outer end carrying the tool unit, a centerline of the cutter arm essentially follows a connection line between the axis of rotation of the tool and the axis of rotation of the crankshaft.

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