Patent · US Expired

Saw chain for power saw

US4459890A · kind A · utility

15Cited by

3References

14Claims

0Family size

Assignee

Andreas Stihl · DE

Inventors

Hans Dolata · Waiblingen, DE
Werner Meyle · Murr, DE
Adam Kelbert · Winnenden, DE
Karl Nitschmann · Schorndorf, DE

Key dates

Filing date	Nov 4, 1982
Grant date	Jul 17, 1984
Priority date	—
Expiry date	Nov 4, 2002

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T83/925
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A saw chain, for power saws, having cutting links alternately on the right-hand and left-hand sides, central driving links, and lateral connecting links. The individual links are pivotally interconnected by means of pins. At least some driving links are provided with a safety projection, which extends in the opposite direction to the direction of rotation. The outer edge of the safety projection is radially farther than the outer edges of the connecting links of the following driving link. As the chain rotates around the free end of the guide rail, in the direction of travel, the rearmost section of the outer edge of the safety projection describes a trajectory which is greater by predetermined amount than the trajectory described by the tip of the cutting tooth.

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