COFFEE MILL Russian patent published in 1998 - IPC

FIELD: electric domestic equipment for coffee milling, may be also used for crushing pepper grains and for preparing sugar powder. SUBSTANCE: coffee mill has flexible hanger made in the form of inclined flat springs 12 secured with their one end on housing 1 of coffee mill and with their other end on grain milling chamber 9. Blade screw 13 is mounted on shaft 6 of electric engine 5 below milling chamber 9. Vibration excitation unit is formed as variable flux magnetic system and has pairs of permanent magnets 17, one of them being secured on shaft 6 of electric engine 5 and others on milling chamber 9. Vibration excitation unit of grain milling unit 9 may be formed as multiple-pole stator arranged in housing 1 and provided with poles disposed in symmetry with chamber 9 and annular magnetic core fixed on chamber 9. EFFECT: wider operational capabilities, simplified construction and enhanced reliability in operation. 3 cl, 10 dwg