Tools – Tool jaw – Handle
Reexamination Certificate
2000-12-04
2002-04-16
Meislin, D. S. (Department: 3723)
Tools
Tool jaw
Handle
C081S393000, C081S177900
Reexamination Certificate
active
06370992
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a hand tool, and more particularly to a pliers which can be converted into different operation aspects in accordance with different working sites. Therefore, the pliers can be used in various narrow spaces.
FIG. 1
shows a conventional pliers
10
including a pliers mouth
12
and two grips
14
. A user can hold the grips to control the pliers mouth to open or close for clamping a work piece. The pliers mouth
12
and the grips
14
are co-linearly arranged. When operating such pliers., the user must bend his/her wrist and is subject to so-called carpal tunnel syndrome. Moreover, such pliers can be hardly used in a narrow space.
Recently, an improved pliers has been developed as shown by
FIGS. 2
to
4
. Such pliers has a pliers mouth
15
not coaxial with the grips
16
. In operation, the user's wrist and the forearm are co-linear to meet human body configuration. Also, such pliers can be used in a narrow space.
However, the pliers mouth
15
and the grips
16
are kept in a fixed angle so that the pliers can be only used in a specific site and can be hardly adapted to various narrow spaces.
SUMMARY OF THE INVENTION
It is therefore a primary object of the present invention to provide a pliers which can be converted into different operation aspects in accordance with different working sites. Therefore, the pliers can be used in various narrow spaces.
The present invention can be best understood through the following description and accompanying drawings wherein:
REFERENCES:
patent: 4744272 (1988-05-01), Leatherman
patent: 5491856 (1996-02-01), Legg
patent: 6220125 (2001-04-01), Lan
Meislin D. S.
Troxell Law Office PLLC
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