Spice grinder

Details Spice grinder Spice grinder

2006-05-09

2006-05-09

Ostrager, Allen (Department: 3725)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

C241S168000, C241S169000, C241S169100, C222S229000

Reexamination Certificate

active

07040561

ABSTRACT:
A spice or peppercorn grinder including a cylinder body; an L-grooved barrel in the cylinder body; a top cap connected to a pressure drum slidably mounted in the L-grooved barrel, a rotatable ∞-shaped open-end long tube provided in a lower space of the pressure drum and engaged with a screw-shaped long axis assembly provided rotatably in the L-grooved barrel, so that when the ∞-shaped open-end long tube moves downwardly with the pressure drum, the screw-shaped long axis is caused to rotate in a certain direction, the other end of the screw-shaped long axis assembly being provided with a pinion; a compression spring being provided between the seat of the L-grooved barrel and the bottom of the pressure drum; a gear-toothed ring transmission mechanism being provided beneath the L-grooved barrel; a grinding plate assembly being provided on the cylinder bottom and being driven by the gear reduction apparatus to rotate in one direction to grind spices or peppercorns. The peppercorn grinder can be either operated with two hands or operated on a table with a single hand and can grind peppercorns only by pushing down the top cap gently. Moreover, the top cap can be free running of step change with a braking action relative to the pressure drum without interfering with normal operation.

REFERENCES:
patent: 526203 (1894-09-01), Schwarzenberger
patent: 597077 (1898-01-01), Ackermann
patent: 5082190 (1992-01-01), Chen
patent: 2001/0028007 (2001-10-01), Michel
patent: 1064606 (1992-01-01), None
patent: 2279136 (1998-04-01), None
patent: 2498966 (2002-10-01), None

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