Tools – Tool jaw – Jaw features
Reexamination Certificate
2000-12-27
2001-12-11
Smith, James G. (Department: 3723)
Tools
Tool jaw
Jaw features
C030S260000, C072S409160
Reexamination Certificate
active
06327944
ABSTRACT:
BACKGROUND OF THE INVENTION
(a) Field of the Invention
The present invention relates generally to a structure of pliers with variable nose, and in particular, the structure of a pliers nose, which can engage, and lock a tightening seat with various tightening functions.
(b) Description of the Prior Art
Conventional pliers have nose formed by curved jaws and pivot. However, normally, this component is fixed and rigid, and cannot be adjusted and serves with only one purpose. In application of these pliers, there are drawbacks for instance, the size of the nose is fixed and is not applicable to unlock or lock object or article with a larger diameter than the opened nose.
FIG. 2
shows pliers with a large nose so as to solve the drawback of the above structure. However, in application of this design, both hands have to be used so as to hold the object with one hand in order to clip thereon and with the other hand holding the pliers. Due to its long handle of this conventional structure, it cannot only be used in a more spacious working environment.
FIG. 3
is another conventional plier's structure with a sharp element to make a hole on a pressurized container. However, this structure provides only a single function to form a hole thereon.
Accordingly, it is an object of the present invention to provide a structure of pliers with variable nose, which can initiate the above drawbacks.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the present invention to provide a structure of pliers with variable nose, wherein diameter of all sizes of tools can be gripped and clipped by the pliers so as to unlock or to lock an object.
An aspect of the present invention is to a structure of pliers with variable nose comprising a pliers body, two elongated arms being formed with the pliers body to form a large nose pliers, the nose being mountable with a large diameter pliers, a small diameter pliers, a flat board pliers, a soft tube pliers, a pincher, a pressurized container pliers, wherein the two elongated arms are mounted with rivets at the top section of the pliers body and the elongated arms comprises of two identical shape clipping plates having being provided with two symmetrical holes so that the rivets can be mounted therethrough to form into two clipping arms, wherein the clipping surface of the clipping plate is provided with two groups of teeth, and various types of clipping blocks with two recesses are mounted with a space formed by the two clipping plates and are secured with rivets, thereby a pliers with multifunction is formed.
Yet another object of the present invention to provide a structure of pliers with variable nose, wherein various types of noses can be formed on the pliers body to provide multiple function of locking and unlocking.
A further object of the present invention is to provide a structure of pliers with variable nose, wherein the pliers facilitates locking and unlocking by combining clipping block at the clipping arms of the pliers.
Yet a further object of the present invention is to provide a structure of pliers with variable nose, wherein the pliers is multi-functional and therefore special pliers for a special task are not required.
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patent: 4747588 (1988-05-01), Dillhoff
patent: 5113727 (1992-05-01), Foster
patent: 5157837 (1992-10-01), Rose
patent: 5168783 (1992-12-01), Shea
patent: 5187968 (1993-02-01), Beetz et al.
patent: 5485770 (1996-01-01), Poplak
patent: 5595094 (1997-01-01), Negus
patent: 5913933 (1999-06-01), Beetz et al.
A & J
Shakeri Hadi
Smith James G.
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