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US 12,365,040 B2Granted
Chainsaw cutting link, a saw chain comprising such a cutting link, a method for manufacturing of a cutting link, and a method of grinding a cutting link
AssigneeHusqvarna AB
InventorHans-Åke Sundberg
Life of this patent
Estimating the term…
Abstract
A chainsaw cutting link (21) comprises: a base portion (29) provided with two rivets holes (20a, 20b) for pivotal inter-connection with adjacent links (13), and a cutting tooth (35) extending away from the base portion (29), wherein the cutting tooth (35) comprises a top plate (41) and a side plate (43) defining an angle to form an L-shaped cutting edge (45, 47, 49) facing in a cutting direction (B). The top plate (41) comprises a top plate cutting edge (45) which is sharper than at least a portion (53) of the side plate cutting edge (47).
Claims17
A chainsaw cutting link comprising:
- a base portion provided with two rivets holes for pivotal interconnection with adjacent links, each rivet hole defines a respective pivot axis;
- and
- a cutting tooth extending away from the base portion, wherein the cutting tooth comprises a top plate and a side plate, the top plate and the side plate defining an angle to form an L-shaped cutting edge facing in a cutting direction in which the chainsaw cutting link is configured to move during cutting, wherein the L-shaped cutting edge comprises a top plate cutting edge arranged on the top plate and a side plate cutting edge arranged on the side plate, wherein the top plate cutting edge is sharper than at least a portion of the side plate cutting edge, wherein the at least a portion of the side plate cutting edge comprises a concave portion including a rearmost trailing portion of the side plate cutting edge relative to the cutting direction;
- wherein the side plate cutting edge further comprises a convex portion located between the top plate cutting edge and the concave portion of the side plate cutting edge;
- and wherein the rearmost trailing portion is located proximate to the base portion.
2 more elements
Dependencies are inferred from the claim text.