Adjustment device of a pepper grinding tool

Details Adjustment device of a pepper grinding tool Adjustment device of a pepper grinding tool

2000-07-06

2002-06-18

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Hand support comminutor

Reexamination Certificate

active

06405951

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to an adjustment device of a pepper grinding tool for adjusting the degree of fineness of ground pepper from the grinding tool.
Referring to
FIGS. 11 and 12
, a conventional pepper grinding tool has a main body
10
, a grinding assembly
20
, a turnable member
30
and an adjustment knob
40
.
The grinding assembly
20
consists of an inner grinding wheel
201
and an outer grinding wheel
202
. The grinding wheels
201
,
202
have toothed portions facing each other such that pepper can be ground therebetween when the inner grinding wheel
201
turns relative to the outer grinding wheel
202
.
The turnable member
30
is turnably connected to an upper end portion of the main body
10
. A connecting rod
203
is connected to the inner grinding wheel
201
from a lower end, and connected to the turnable member
30
from an upper end portion. The upper end portion of the connecting rod
203
projects on the turnable member
30
, and has a threaded surface.
The adjustment knob
40
has a threaded hole
401
. The threaded upper end portion of the connecting rod
203
is screwed into the threaded hole
401
. Thus, the adjustment knob
40
can be turned to adjust the inner grinding wheel
201
in respect of the distance from the outer grinding wheel
202
. When the inner grinding wheel
201
is adjusted to a suitable position, the turnable member
30
is turned to grind pepper between the grinding wheels
201
,
202
into finer particulate, the connecting rod
203
and the inner grinding wheel
201
being turned together with the turnable member
30
.
However, the adjustment knob
40
sticking out on the turnable member
30
, will effect the appearance of the pepper grinding tool in a bad way.
Referring to
FIGS. 13
,
14
, another conventional pepper grinding tool has a main body
10
, a grinding assembly
20
, a turnable member
30
, a connecting rod
203
and an adjustment knob
40
. The adjustment knob
40
is connected to the lower end portion of the connecting rod
203
, and received in a recess
101
on a bottom of the main body
10
.
To turn the adjustment knob
40
in order to adjust the inner grind wheel
201
, the user has to insert his/her fingers into the recess
101
. It is not very convenient for the user to turn the knob
40
in the recess
101
.
SUMMARY OF THE INVENTION
Therefore, it is a main object of the present invention to provide an adjustment device for a pepper grinding tool which has an adjustment knob movable into the main body or the turnable member when not in use; thus, the adjustment knob won't effect the appearance of the pepper grinding tool in a bad way.
The pepper grinding tool of the present invention has:
a housing main body; the main body having a hole;
a grinding assembly; the grinding assembly including
an inner, an outer grinding wheel and connecting rod; the grinding wheels having toothed portion facing each other for grinding pepper therebetween by turning the inner wheel; the connecting rod being connected to the inner wheel; the grinding assembly being received in the main body;
a turnable member; the turnable member being turnable fitted to the main body, and connected to the connecting rod for the user to turn to grind pepper,
an adjustment member; the adjustment member including
a cap, an elastic member, an engaging hook and a support rod, the support rod being connected to the connecting rod, and received in the hole of the main body; the elastic member being received in the cap, and located on the top of the support rod such that the cap is biased upwards by the elastic member; the engaging hook being connected to the cap from one end, and having other end movably received in a trench of the support rod; whereby the cap can be moved between a projecting adjustment position and a hidden position; in the hidden position, the cap is depressed into the hole with the engaging hook fixed in a lower part of the trench; in the projecting position, the cap is biased upwards by the elastic member, and can be turned to adjust a position of the inner wheel relative to the outer wheel.


REFERENCES:
patent: 4685627 (1987-08-01), Lee
patent: 5180114 (1993-01-01), Chen

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