B - Operations – Transporting – 27 – B
Patent
B - Operations, Transporting
27
B
143/74
B27B 33/14 (2006.01)
Patent
CA 1223507
Abstract of the Disclosure The invention is directed to a safety link for a saw chain of a motor-driven chain saw. The safety link has a plate-like body including a rearwardly extending safety projection when viewed in the direction of movement of the saw chain. The safety projection serves to bear against the bottom of a kerf cut by the saw chain. To provide a large and safe bearing surface for abutment with the kerf bottom, the safety link has a widened portion extending at least over and beyond one side of the plate-like body thereof. The widening is formed either by bending or flattening a longitudinal edge of the body, or by bending the safety projection, or by bending an end portion of the body at the end thereof opposite the safety projection. The safety link is pivotally connected with side cutting links, center driving links and side connecting links by means of rivets and is located ahead of the respective cutting link when viewed in the direction of movement of the saw chain. With the safety link and the cutting link of the invention, it is possible to achieve a substantial reduction in the tendency of a motor-driven chain saw to kickback and to ensure smooth running and clean cutting conditions.
471823
Dietzsch Gunter
Nitschmann Karl
Fetherstonhaugh & Co.
Stihl Andreas
LandOfFree
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