CUTTING TOOLS Russian patent published in 2012 - IPC B27B9/00 B25F5/02 

FIELD: machine building.

SUBSTANCE: cutting tool includes a tool assembly with cutting blade and a handle. The latter is continued from the tool assembly. The handle is continued parallel to the surface of rotating cutting blade. The handle includes front end and rear end. Front end is located on the side of tool assembly and on front side in relation to the saw-cut direction. Rear end is configured as a free end. When saw-cut depth of the machined part is set to maximum, the handle has upper part that is convex in upward direction with the first curvature coefficient, downward bending front area on the front side of upper part and downward bending rear area on rear side of upper part. Distance between upper part and front end is shorter than distance between upper part and rear end. Rear area is convex in upward direction and has the second curvature coefficient that is less than the first curvature coefficient. As per the second design version, cutting tool includes a tool assembly with rotating cutting blade and a handle. The latter is continued backwards from the tool assembly. Handle includes front end on the side of tool assembly, rear end on the side that is opposite to front end, front area that includes front end, intermediate part and rear area that includes the rear end. Front area is continued between the tool assembly and intermediate part. Rear area is continued backwards from intermediate part. Rear end is configured as a free end. Intermediate part and rear area are rounded in one and the same direction.

EFFECT: improving convenient and simple use of cutting tool in operation.

16 cl, 20 dwg