Tool box

Details Tool box Tool box

2001-03-21

2002-04-23

Bui, Luan K. (Department: 3728)

Special receptacle or package

For a tool

Plural

C206S378000, C220S840000

Reexamination Certificate

active

06375007

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a tool box. More particularly, the present invention relates to a tool box which is easily detached.
Referring to
FIGS. 1 and 2
, a conventional tool box has an upper casing
10
and a lower casing
20
. The upper casing
10
has a first outer layer
101
and a first inner layer
102
. The first inner layer
102
has two pivot seats
11
. Each of the pivot seats
11
has a recess hole
12
. The lower casing
20
has a second outer layer
201
and a second inner layer
202
. The second inner layer
202
has two pivot mounts
21
. Each of the pivot mounts
21
has a shaft
22
inserted in the corresponding recess hole
12
of the pivot seat
11
. Once the first inner layer
102
engages with the second inner layer
202
, the first inner layer
102
cannot be detached from the second inner layer
202
.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a tool box which has an upper casing and a lower casing to be detached easily.
Accordingly, a tool box comprises an upper casing and a lower casing. The upper casing has a first outer layer and-a first inner layer. The lower casing has a second outer layer and a second inner layer. The first inner layer has a plurality of first click blocks, a plurality of first grooves, a first pivot seat, a first pivot mount, a first protrusion, and a first blind hole. The second inner layer has a plurality of second click blocks, a plurality of second grooves, a second pivot seat, a second pivot mount, a second protrusion, and a second blind hole. The first pivot mount matches the second pivot seat. The first pivot seat matches the second pivot mount. The first pivot seat has a first recess hole. The second pivot seat has a second recess hole. The first pivot mount has a first packing ring and a first click column inserted in the second recess hole of the second pivot seat, The second pivot mount has a second packing ring and a second click column inserted in the first recess hole of the first pivot seat.


REFERENCES:
patent: 5535882 (1996-07-01), Liu
patent: 5570784 (1996-11-01), Sidabras et al.
patent: 5826719 (1998-10-01), Chen
patent: 5839579 (1998-11-01), Lee
patent: 6070732 (2000-06-01), Chen
patent: 6109437 (2000-08-01), Chao

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