Supports: racks – Special article – Article includes elongated portion
Reexamination Certificate
2001-06-08
2002-11-05
Gibson, Jr., Robert W. (Department: 3634)
Supports: racks
Special article
Article includes elongated portion
C211S070600, C211S060100, C206S377000, C206S379000
Reexamination Certificate
active
06474481
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a flexible tool storage device and more particularly, to a flexible tool storage device providing with more stable retaining for tools.
2. Description of the Related Prior Art
A conventional tool storage device is disclosed in
FIG. 6
including a storage body
60
. The storage body
60
has multiple insert openings
62
defined thereon. Most of the tool storage devices are made of plastic material. Thus, the diameter of the insert opening
62
can be slightly less then the diameter of the excircle of the polyhedron shank
310
of the working portion
31
so hat the working portion
31
can be more stably retained in the insert opening
62
.
However, most of the working portions
31
have to be drawn out from and inserted in the corresponding insert openings
62
frequently. After using it a period of time, the insert openings
62
will be enlarged by abrasion between it and the metal tool working portion
31
. A tool working portion
31
is liable to drop from an enlarged insert opening
62
or even cannot be retained in the insert opening
62
.
SUMMARY OF THE INVENTION
It is found a disadvantage in the prior art of
FIG. 6
that the tool working portion is liable to drop from an enlarged insert opening or even cannot be retained in the insert opening. Thus, there is still a need for improving the tool storage device of prior art.
Therefore, an object of the present invention is to provide a flexible tool storage device which provides more stable retaining ability.
To accomplish the object of the present invention, a flexible tool storage device is provided. The flexible tool storage device includes a storage body. The storage body has multiple circular recesses defined thereon. An insert opening is defined inside of each circular recess. Each circular recess has an internal diameter larger than a diameter of the insert opening whereby a cylindrical constraint tube body is defined between each circular recess and the insert opening corresponding thereto. Each constraint tube body
13
has an internal diameter slightly less than a diameter of an excircle of a shank
31
of a working portion of a tool. Each constraint tube body has multiple slots defined along a longitudinal direction thereof and equally distributed thereon.
REFERENCES:
patent: 3709429 (1973-01-01), McKenzie et al.
patent: 5080232 (1992-01-01), Leoncavallo et al.
patent: 5525314 (1996-06-01), Hurson
patent: 5566596 (1996-10-01), Lin
patent: 5579929 (1996-12-01), Schwartz
patent: 5996818 (1999-12-01), Boje et al.
patent: 6050409 (2000-04-01), Delbeck et al.
patent: 6065598 (2000-05-01), Anderson
patent: 6112897 (2000-09-01), Hu
patent: 6132684 (2000-10-01), Marino
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