CHAIN SAW SET AND CHAIN SAW Russian patent published in 2020 - IPC B27B17/00 B27B33/14 

FIELD: process engineering.

SUBSTANCE: set of invention relates to woodworking, particularly, to chain saws. Chain saw set comprises saw chain (3) and guide (4) for driving said chain along edge (5). Chainsaw has drive links (6) with tails (7) with their side surfaces (8 extending sidewalls (9) of guide slit (10) in guide (4). Side surface (8) has lubing pockets (11) exposed solely in the direction of sidewall (9) of guide slit (10). Mean diameter-to-maximum depth of lubing pocket makes 5.0-25.0. Drive link tail (7) has opening (16) for accumulation of lubricant. Side surface (8) has lubing channel (17). Chain saw comprises three cutting elements (24) with blades (25) and depth limiters (26). Connection links (23) with bottom edges (32) are arranged between separate cutting elements (24). Tails of drive links are spaced from guide groove bottom (27).

EFFECT: decreased friction of chain saw.

28 cl, 7 dwg