ROUND-SAWING MACHINE Russian patent published in 2001 - IPC

FIELD: timber cutting equipment. SUBSTANCE: round-sawing machine includes bed frame, balance frame with sawing shaft and electric motor. Output shaft of electric motor is coupled to sawing shaft by gearing and through centrifugal clutch to gear wheel-satellite of planetary moving up mechanism which body is made fast to balance frame. Output shafts of central internal gear and of central external gear are fitted with brakes. Centrifugal clutch is made of driving and driven half-couplings and blocks. Bushing mounted for axial movement with the aid of splined joint and controlled by means of handle is put on shaft of driving half-coupling. Two pairs of plates with guiding grooves are made fast to bushing. Keys passed through guiding grooves of plates are coupled with one end to springs and with the other end to blocks. EFFECT: widened functional capabilities of machine. 3 dwg