Patent ID: 8297546
Filing Date: 2012-10-30
Classification: A47J

Abstract:
1. A device for locking micrometric adjustment of degree of grinding in coffee grinders, comprising: a hollow cylindrical casing housing a lower grinding wheel carrier, which is connected to a motion transmission shaft, and further housing an upper grinding wheel carrier, which is axially movable; and a threaded ring nut engagable in said casing to adjust a position of the upper grinding wheel carrier, wherein said ring nut comprises at least one seat configured for inserting a peg for locking rotation of said ring nut, and wherein said casing comprises an undercut slot, in which a slider cooperating with said peg is housed, the thickness of said slider being less than the thickness of said slot, further comprising means engaging said slider and causing said slider to rise and to interfere by friction with an upper wall of the slot.