Solid material comminution or disintegration – Apparatus – Hand support comminutor
Patent
1995-02-24
1996-07-02
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Hand support comminutor
A47J 4204
Patent
active
055313892
ABSTRACT:
A condiment mill adapted to grind condiments includes a mill body, a grinding unit, an elongated shaft, a clutch disc, and a mill top. The mill body defines an elongated mill cavity therein open at an upper end portion and open at a lower end portion. The mill body also has an engaging notch in the upper end portion. The grinding unit is disposed within the mill cavity proximate to the lower end portion and is positioned to receive unground condiment from the mill cavity. The elongated shaft is drivingly engaged with the grinding unit and extends upward therefrom toward the upper end portion of the body and is threaded at an upper end portion thereof. The clutch disc is rotatably fixed to the elongated shaft proximate to the upper end portion. The clutch disc has a clutching tooth extending therefrom operably engaging the notch in the body. The mill top has a threaded portion receiving the threaded upper end of the elongated shaft and also covers the clutch disc. Rotation of the mill top in a first direction relative to the mill body drives the grinding unit to grind the condiment in the cavity. Rotation of the mill top in a second direction causes the clutch disc to engage the body and the mill top to thereby unthread from the elongated shaft.
REFERENCES:
patent: 4509698 (1985-04-01), David
patent: 5180114 (1993-01-01), Chen
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