Grinding assembly of a pepper grinder

Details Grinding assembly of a pepper grinder Grinding assembly of a pepper grinder

1999-11-12

2002-04-30

Husar, John M. (Department: 3725)

Solid material comminution or disintegration

Apparatus

Hand support comminutor

C241S169100

Reexamination Certificate

active

06378794

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a pepper grinder. Particularly, the invention is directed to a grinding assembly of the pepper grinder.
Referring to
FIGS. 4
,
5
and
6
, a heretofore known grinding assembly of pepper grinder comprises an outer grinding member
20
and an inner grinding member
40
. The outer grinding member
20
has grinding teeth
201
on inner side thereof. The inner grinding member
40
has grinding teeth
401
on an outer side thereof, and has a central square hole (not numbered) for same to be connected to a shaft of a transmission assembly.
The inner grinding member
40
is received within the outer grinding member
20
with the grinding teeth
401
opposing the grinding teeth
201
. Pepper is ground into smaller particulates between the grinding members
20
,
40
by the grinding teeth
201
,
401
when the inner grinding member
40
is turned relative to the outer grinding member
20
.
However, referring specifically to
FIG. 5
, the lower portions of both the grinding teeth
201
,
401
are touching so the friction and engagement between the grinding teeth lower portions make the inner grinding member
40
unable to turn smoothly. Moreover, the touch between the lower portion is likely to make metal chippings and shavings come off the grinding teeth
201
,
401
, and the grinding teeth collapsed. When the metal chippings and shavings are mixed with the pepper particulates and eaten by people who take the pepper, it might lead to health problem of the eaten.
SUMMARY OF THE INVENTION
Therefore, it is a main object of the present invention to provide a grinding assembly for a pepper grinder, which would overcome the disadvantages of the prior art one.
The grinding assembly of a pepper grinder comprises an inner grinding member and an outer grinding member.
The inner grinding member has grinding teeth on an outer side thereof, and is turnably received in the outer member.
The outer member has grinding teeth on an inner side thereof, opposing the inner member grinding teeth; the inner member teeth are not in touch with the outer member grinding teeth.
The inner grinding member further has an annular part on a lower end portion thereof, the annular part is arranged below, and in touch with, the outer member grinding teeth.
Because the grinding teeth do not touch each other, the inner grinding member can be turned more smoothly to grind pepper. And, it is less likely that the grinding teeth get collapsed.


REFERENCES:
patent: 3130927 (1964-04-01), Schmieding
patent: 3136491 (1964-06-01), Posmanter
patent: 4685627 (1987-08-01), Lee
patent: 4771954 (1988-09-01), Poncy
patent: 4771955 (1988-09-01), Paulson
patent: 4865258 (1989-09-01), Smith et al.
patent: 5785264 (1998-07-01), Yang
patent: 5897067 (1999-04-01), Tardif et al.

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