A chainsaw cutting link (1b) comprises a cutting tooth (7b) with a side plate (12b) and a top plate (10b), defining an L-shaped cutting edge (13b, 14b). The top plate (10b) comprises an outer surface (11b) with a first outer surface portion and a depressed second outer surface portion (16). A saw chain comprises a plurality of such cutting links (1b). Use of such cutting links (1b) or such a saw chain increases the ability of making bore cuts. A method of manufacturing a cutting link (1b) comprises: punching a piece of material to form a cutting link (1b) blank with a top plate portion (10b) and a side plate portion (12b); bending the top plate portion (10b) to form an L-shaped cutting edge (13b, 14b); and grinding thereof. An area of the top plate (10b), corresponding to the second outer surface (16) is depressed.

A cutting member for a saw chain and a method for the production thereof, the cutting member comprising a support part made of a steel alloy and a cutting part welded to the support part along a welding connection made of a high speed steel. The steel alloy of the support part is a tool steel that has the following composition (specifications in % by weight):

TABLE-US-00001 Carbon (C) 0.4 to 1.0 Silicon (Si) up to 1.8 Manganese (Mn) up to 0.6 Chromium (Cr) 4.5 to 12 Molybdenum (Mo) up to 3 Vanadium (V) up to 2
Iron (Fe) and accompany elements caused by melting and impurities as the remainder. The steel alloy of the support part in a quenched and tempered state has a hardness of more than 600 HV and a tensile strength of more than 2000 MPa as a result of curing at a suitable temperature above the austenitizing temperature of the high speed steel.

A steel for a sawing device (100) containing in wt. %: C: 0.7-1.2 Mn: 0.3-0.7 Cr: 0-1.05 Ni: 0-1.5 Al: 0-0.5 Si: 0-0.5 wherein the total amount of C, Mn, Cr, Ni, Al, and Si is 1.5-4.5 wt. % and the balance being Fe and incidental elements and wherein the microstructure of the steel alloy is bainitic or a mixture of bainite and martensite with dispersed Fe.sub.3C-particles.

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).

A trenching chainsaw blade including a digger chain including a right side and a left side, each side is a mirror image of each other and each side is mounted in an alternating fashion to a right side and a left side of the digger chain respectively, each side including a plurality of sets of teeth and connecting links, wherein each set of teeth includes a scooped blade trenching tooth and a non-scooped blade tooth separated by at least one connecting link.

A cutting chain for a chainsaw may include a plurality of drive links, and a plurality of cutter links. Each of the drive links includes a top portion and a bottom portion that interfaces with a guide bar of the chainsaw. The cutter links are operably coupled to respective ones of the drive links at the top portion thereof. At least one of the cutter links includes a base portion and a cutting portion extending away from the base portion. The cutting portion includes a side plate and a top plate, the top plate including a top face and a bottom face. The side plate includes an outer face and an inside face. Multiple coating materials are provided on respective different surfaces of the drive links or cutter links such that different coating materials are applied based on a wear context of the respective different surfaces.

The present disclosure belongs to technical field of gardening tools, relates to 3/16 pitch micro saw chain of motor driven saw chain. It saw chain of motor driven saw chain is composed of left gear cutting chain sheet, right gear cutting chain sheet, side connecting sheet and transmission sheet with transmission function by riveting chain shaft. The width A of saw line is confirmed by upper cutter point of left/right gear cutting chain sheet and width A of saw line is 4.4-5.4 mm. A maximum height C is confirmed from bottommost end of transmission sheet with transmission function top highest part of left/right gear cutting chain sheet, maximum height C is 8.5-9.8 mm. An average pitch is confirmed by hole pitch T1 of transmission sheet with transmission and hole pitch T2 of side connecting sheet, left and right gear cutting chain sheet, T(T1+T2)/2=4.76 mm, S=178-252 mm3. The present disclosure has higher cutting efficiency, light weight, easy operation, no easy shaking during use, smooth section, stronger stability, safety, lower power consumption.

The present invention relates to a novel cutting apparatus capable of effectively cutting a material via movement in at least two different directions. In certain embodiments, the cutting apparatus comprises cutting elements with at least two cutting surfaces. Such cutting elements are capable of effectively penetrating a material when moved with an applied force in the direction that at least one cutting surface is oriented. Such cutting elements may be configured for use with a variety of cutting apparatus, including but not limited to chainsaws, circular saws, band saws, jigsaws or tigersaws.

A reversible saw chain for a power chainsaw with a guide bar or blade may be a continuous loop of interconnected links with a plurality of spaced-apart cutting links and a plurality of connecting links. Each cutting link may include a first cutting surface facing a first direction and a second cutting surface facing a second direction that is opposite to the first direction, and a top plate extending between the first and second cutting surfaces and being not planar between these cutting surfaces. The top plate may have a first portion inclined inwardly away from the first cutting surface and a second portion inclined inwardly away from the second cutting surface and the first and second portions may be in a v-shaped configuration.

A chainsaw cutter for a chainsaw chain. The chainsaw cutter includes a cutter body having a pair of rivet holes extending through the cutter body. The chainsaw cutter further includes a cutting tooth coupled to and extending from an upper portion of the cutter body. The cutting tooth is configured to cut a workpiece during a cutting operation. Moreover, the chainsaw cutter includes a feed limiter coupled to and extending from the upper portion of the cutter body, and a gullet disposed between the cutting tooth and the feed limiter. The cutting tooth is formed on the cutter body by additive manufacturing.