Patent · US Active

Saw chain

US11628509B2 · kind B2 · utility

0Cited by

7References

11Claims

0Family size

Assignee

Andreas Stihl AG & Co. KG · DE

Inventors

Georg Maier · Weisendorf, DE
Thomas Frei · Lützelflüh, CH
Thomas Lux · Welzheim, DE

Key dates

Filing date	May 5, 2021
Grant date	Apr 18, 2023
Priority date	—
Expiry date	May 5, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB28D1/124
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A saw chain includes connecting links and drive links that are mutually connected by rivets in an articulated manner about rivet axes. The rivets project through at least one rivet opening of one connecting link and through a rivet opening of a drive link. At least one rivet has, on one end face thereof, a depression having a depression edge and a depression base surrounded by the depression edge. The distance of the depression edge from a central plane of the saw chain increases at an increasing radial distance from the rivet axis. The distance (e) of the base from the central plane does not increase at any point of the base at an increasing radial distance from the rivet axis. A greatest distance (a) of the base from the rivet axis corresponds to 50% to 100% of half the core diameter (d) of the rivet.

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