COFFEE MILL Russian patent published in 1995 - IPC

FIELD: domestic devices. SUBSTANCE: coffee mill has casing, working chamber, coffee bean milling chamber, cover, electric engine with shaft carrying knife. Coffee mill os further provided with petalous impeller mounted on electric engine shaft and leaf spring secured on working chamber inner wall. Coffee mill milling chamber is made in the form of barrel rigidly fitted onto sleeve, which is secured on shaft in axial alignment with impeller and knife. Pin disposed in barrel bottom is connected with free curved end of leaf spring for imparting vibrations to barrel. Moreover, inertial roller is mounted on barrel bottom for engaging with impeller petals. Slot for receiving barrel edge is extending along perimeter of cover lower surface. Working chamber has discharge window. Bottom of working chamber is made inclined. EFFECT: increased efficiency and enhanced reliability in operation. 1 dwg