Patent ID: 7543771
Filing Date: 2009-06-09
Classification: A47J

Abstract:
1. A mill for grinding edible particles, said mill comprising: a main body provided with a chamber formed inside it, a recessed chamber formed under said chamber, a rotating knob fixed on a top of said main body, a polygonal through hole bored on a top of said rotating knob, a positioning block installed on said top of said rotating knob, and a washer fixed between said rotating knob and said main body; a shaft installed inside said main body and said rotating knob, said shaft formed as a polygonal bar and provided with two annular locking slots formed in its lower portion for engaging with locking rings; a cover mounted on said shaft inside said recessed chamber of said main body and provided with a through hole and plural openings, a pair of positioning plates symmetrically extended downward from a wall of said cover with an engaging projection formed thereon respectively, and a spring set at a bottom of said cover to be mounted on said shaft; a grinding base positioned under said cover and provided with a pair of recessed grooves symmetrically formed around its outer wall, an opening bored in a center of said grinding base, plural slopes formed around an upper inner wall of said opening, and plural spiral grinding teeth formed around a lower inner wall of said opening, a grinding block installed in said opening and bored with a polygonal through hole in its center and formed with plural spiral grinding teeth on its outer surface with a direction opposite to said spiral grinding teeth, a positioning block installed under said grinding block and provided with a polygonal through hole and a recess formed under said polygonal through hole for fitting with a spring; a rotator installed under said grinding block and provided with a pair of bars symmetrically extended from its outer wall, a through hole bored in a center of said rotator, a recess formed under said through hole, and plural openings formed in said rotator; an anti-leaking cover installed under said rotator and provided with a pair of covering plates formed symmetrically around its circumference, a through hole bored in a center of said anti-leaking cover, plural ratchets formed around a top surface of said anti-leaking cover, a ratchet block positioned on a top of said anti-leaking cover, said ratchet block formed with plural ratchets around its bottom for corresponding to said ratchets of said anti-leaking cover and bored with a polygonal through hole in its center and extended downward from its bottom with a projection to be fitted in said through hole of said anti-leaking cover; a bottom base positioned under said cover inside said recessed chamber of said main body and provided with a chamber formed inside it, a pair of projections symmetrically formed around a top edge of said chamber, a pair of notches symmetrically cut around a wall of said bottom base, an annular locking edge formed around an upper outer wall of said bottom base, a through hole and plural powder outlets bored at a bottom of said bottom base, and a pair of blocking strips symmetrically formed at a bottom of said chamber; and an adjustment rotating base fitted with said bottom base and provided with a chamber formed inside it, a locking groove formed in an upper inner wall of said chamber, plural openings formed at a bottom of said chamber, a pair of notches symmetrically cut around a wall of said adjustment rotating base, plural positioning grooves with various levels slantwise formed under each of said notches.