Patent ID: 7600706

Claim:
A safety food grinder comprising a base having a top; a motor being mounted inside the base; a container mount being formed on and protruding from the top of the base and having a top, a cavity being formed concentrically in the top of the container mount; and an outer surface; and a driver being mounted rotatably in the top of the base, protruding out of the top of the base into the cavity of the container mount, being attached to and being driven by the motor and having a top; a bottom; and a driving shaft being mounted on the bottom of the driver and connecting to the motor; a container assembly being mounted detachably on the base and having a container frame being a cylinder, being detachably mounted on the top of the base and having a top opening; and a bottom wall having a center; a container body being mounted in the container frame; a connecting cylinder being formed on and protruding downward from the container frame, corresponding to and being detachably mounted around the outer surface of the container mount and having a sidewall having a lower edge; and multiple sliding channels being formed transversely through the sidewall of the connecting cylinder; a bottom extension being attached to and protruding towards the base from the center of the bottom wall and having multiple spring mounts being formed on the bottom extension and respectively corresponding to the sliding channels; a rotating shaft being mounted rotatably concentrically through the bottom extension, protruding into the container body, being connected detachably to and being selectively driven by the driver and having an upper end; and a lower end; and a cutting tool being mounted securely on the upper end of the rotating shaft; multiple movable stops being respectively mounted slidably in the sliding channels of the connecting cylinder, selectively keeping the rotating shaft from connecting to the driver and each movable stop having a spring being mounted in one of the spring mounts and aligning with a corresponding sliding channel; a slide being mounted slidably in the corresponding sliding channel and abutting and being pressed outwards by the spring; and a leg being formed on and protruding towards the base from the slide, corresponding to the cavity of the container mount and selectively abutting the top of the container mount; and a cover being detachably mounted around the container assembly and the container mount, allowing the rotating shaft to be driven by the driver and having an inner wall; multiple pushers being formed on the inner wall of the cover, corresponding to the sliding channels and selectively pressing the slides of the movable stops inwardly against the springs; and at least one positioning tab.