FIELD: sawmill operation for length cutting of wood. SUBSTANCE: gear wheels 2 of rotary drive of circular saw 1 are installed on the external side of saw. Space 7 between teeth 6 of saw 1 are made with geometry of spaces of gear wheels 2. Circular saw 1 is located square to gravity and symmetrically to bed. Installed on rotary drive body are segment-like guides adjoining side surfaces of saw 1 and anchoring wedge fastened by means of levers for rocking. Teeth of wheels 2 are made in the form of rollers installed on axles 10 for rotation and engageable with spaces 7 between teeth 6 of saw 1. EFFECT: higher efficiency. 3 dwg
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