HEAD OF SAWING BAND OF CHAIN SAW Russian patent published in 1994 - IPC

FIELD: forestry and timber working industry branch. SUBSTANCE: head has a driven sprocket, mounted on balls in a gap between two lateral plates with a possibility of free rotation around an axle of a bearing. The bearing has an inner race, mounted on an outer sleeve of the axle with possibility of rotation at maximum load. The gap a is provided between the race and the lateral plates. EFFECT: enhanced structure of the head. 1 cl, 2 dwg