Pepper grinder operable with one hand and by pressing and...

Details Pepper grinder operable with one hand and by pressing and... Pepper grinder operable with one hand and by pressing and...

2005-09-27

2005-09-27

Banks, Derris H. (Department: 3725)

Solid material comminution or disintegration

Apparatus

Hand support comminutor

C241S168000, C241S169000

Reexamination Certificate

active

06948671

ABSTRACT:
A pepper grinder includes a grinding mechanism, a rotary sleeve, and a depressed sleeve. The rotary sleeve is supported so as to not move down, and joined to an inner wheel of the grinding mechanism with a shaft; the depressed sleeve has several protrusions on an inner side, and is biased upwards by a spring; the rotary sleeve is arranged under, and inserted into the depressed sleeve; the rotary sleeve has spaced spiral-curved guiding grooves on a cylindrical surface, and upright guiding grooves spaced between and connected to the spiral-curved grooves; when the depressed sleeve is not being depressed, the spiral-curved guiding grooves are fitted over upper ends of corresponding protrusions; thus, the inner wheel can be turned relative to an outer wheel for crushing peppercorns when the depressed sleeve is moved up and down repeatedly.

REFERENCES:
patent: 5082190 (1992-01-01), Chen
patent: 6793168 (2004-09-01), Pedersen

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