Compound tools – Plier type – With tool or plier handle
Reexamination Certificate
1999-11-10
2001-05-01
Meislin, D.S. (Department: 3723)
Compound tools
Plier type
With tool or plier handle
C007S137000, C007S144000, C081S451000, C081S427500
Reexamination Certificate
active
06223373
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a pair of pliers, and more particularly to a pair of pliers with multiple functions including a hammer, a chisel and a screwdriver.
2. Description of Related Art
Pliers in accordance with the prior art comprise a pair of shanks pivotally engaged with each other at a pivot point away from one end. A jaw is formed on one end of each shank to cut or hold an object. However, because the conventional pliers can only be used to hold or cut an object, it lacks versatility. Conventional pliers comprising a pair of hollow shanks with a recess formed therein for pivotally mounting tools such as blades, scissors, or screwdrivers etc. do exist so as to improve the utilization of the pliers. Even though the conventional pliers with multiple tools have multiple functions, but it cannot bear a large load when the user grips the shanks.
To overcome the shortcomings, the present invention tends to provide pliers with multiple functions to mitigate or obviate the aforementioned problems.
SUMMARY OF THE INVENTION
The main objective of the invention is to provide pliers having a pair of pivotal shanks with a jaw formed on one end of each corresponding shank. Teeth and a cutting edge are formed on the face of each jaw or shank. A hammer and a chisel are formed on the outside of opposite jaws so that the pliers can be used in a hammer or a chisel, and a polygon hole is formed in the other end of each of the shanks to insert a tool head like as screwdriver. Consequently, this can improve the utility of the pliers.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
REFERENCES:
patent: 2829685 (1958-04-01), Mitchell et al.
patent: 3739825 (1973-06-01), Knox
patent: 4336832 (1982-06-01), Poulos
patent: 4953248 (1990-09-01), Trombetta
patent: 5014379 (1991-05-01), Hull et al.
patent: 5033140 (1991-07-01), Chen et al.
patent: 5251353 (1993-10-01), Lin
patent: 5910174 (1999-06-01), Finn
patent: 460470 (1928-05-01), None
Meislin D.S.
Thorp Reed & Armstrong
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