Patent · US Expired

Protective cover for a hand-held cut-off machine

US7261624B2 · kind B2 · utility

5Cited by

7References

25Claims

0Family size

Assignee

Andreas Stihl AG & Co. KG · DE

Inventors

Christina Wedel · Bietigheim-Bissingen, DE
Klaus-Martin Uhl · Plochingen, DE
Maximilian Eberhardt · Eßlingen, DE
Jurgen Erath · Stuttgart, DE
Joachim Hoffmann · Esslingen am Neckar, DE
Rolf Ademes · Prüm, DE

Key dates

Filing date	Oct 26, 2005
Grant date	Aug 28, 2007
Priority date	—
Expiry date	Feb 25, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T83/7734
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A protective cover for a cutting wheel of a hand-held cut-off machine driven by an internal combustion engine has a circumferential wall and two opposed sidewalls adjoining the circumferential wall. The circumferential wall and the two sidewalls are a monolithic component made of cast light metal. The circumferential wall in a circumferential direction has at least over sections thereof a first integral thicker portion. The two sidewalls are thinner than the first integral thicker portion. Preferably, the protective cover is made of diecast magnesium.

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