Patent ID: 6871573
Filing Date: 2005-03-29
Classification: B27B,Y10T

Abstract:
1. A saw chain for a power chain saw, comprising: drive links; side links for connecting said drive links; cutter links, each having a cutter tooth with a top cutting edge, and, in the direction of travel of said saw chain, a leading depth limiter, and safety links, wherein said cutter links and said safety links are alternatingly disposed on opposite longitudinal sides of said drive links in place of some of said side links, wherein each safety link is provided with a projecting nose that extends in a direction toward the depth limiter of a following cutter link, wherein each safety link is further provided with a side portion that in said direction of travel of said saw chain is disposed ahead of said nose, wherein said side portion has an elevated contact surface that, when said saw chain is curved in a reversing region is disposed on a path of said top cutting edge of said cutter tooth, wherein when said saw chain is extended said contact surface reaches at least nearly to a height of said depth limiter, wherein a transition region is disposed between said contact surface and said nose, and wherein said transition region includes at least two steps that act as contact surfaces in a re-sharpened state of said safety link.