Solid material comminution or disintegration – Apparatus – Hand support comminutor
Patent
1975-07-23
1977-01-18
Custer, Jr., Granville Y.
Solid material comminution or disintegration
Apparatus
Hand support comminutor
2411999, 241DIG27, B02C 1908
Patent
active
040035239
ABSTRACT:
A portable pill grinder comprising ceramic mortar and pestle units respectively having concave and convex pill crushing and grinding surfaces. Lower and upper clamping handles respectively support the mortar and pestle units and are pivotally connected together at adjacent end portions. The mortar and lower handle have cooperating grooves and upstanding flanges which prevent relative rotation therebetween. The pestle is supported for rotation about a short lug on the upper handle and has a laterally projecting handle for rotating the same. A stop is provided between the clamping handles to prevent crushing the mortar and pestle units. In use, the clamping handles are grasped in one hand, pressure is applied tending to crush one or more pills disposed in the mortar and engaged by the pestle, and the pestle handle is simultaneously swung back and forth with the other hand to effect a grinding action on the pills. In a second embodiment the pestle is stationary and the mortar is of two piece construction with one piece thereof provided with a handle and swingable back and forth in a pill grinding action.
REFERENCES:
patent: 1712802 (1929-05-01), Willis
patent: 2602596 (1952-02-01), Jones
patent: 2631786 (1953-03-01), Morgan et al.
patent: 3915393 (1975-10-01), Elkins
Custer, Jr. Granville Y.
Goldberg Howard N.
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