SAW UNIT FOR SAWING OF INCREASED EFFICIENCY Russian patent published in 2018 - IPC B27B3/00 

FIELD: wood-working industry.

SUBSTANCE: inventions relate to woodworking industry, namely to equipment for sawing solid materials. Saw unit comprises at least one saw blade (12) with teeth (25), inter-teeth cavities (26) and trailing edge (27). Saw blade is fixed between two fastening assemblies (13) designed to be pivotally connected to driving (3) and driven (5) shafts. Axes of rotation (6) of shafts are parallel to each other. Hinge axis (14) of each fastening unit is offset relative to axis of rotation of shaft (3) or (5). Fastening unit to be mounted on driven shaft comprises yoke (16), hinged to said shaft, and bracket (17) connected to the yoke, provided with means for movably fixing the saw blade. Center of mass of each half of module formed by a part of web within 0.2…0.4 of free length of said web and corresponding fastening unit, is located at a point located at a distance from the axis of the hinge of this fastening unit, not exceeding four times the displacement of this axis relative to the axis of rotation of the corresponding shaft.

EFFECT: increases productivity and service life of the saw unit.

1 cl, 6 dwg