Tools – Tool jaw
Reexamination Certificate
1998-10-21
2002-01-29
Smith, James G. (Department: 3723)
Tools
Tool jaw
C081S418000, C081S421000
Reexamination Certificate
active
06341545
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to pliers-type tools which are operatively connected to manipulate opposing jaws and more particularly to such tools having one jaw of the tool having a fixing heelpiece mounted to a support part of one handle.
2. Description of the Related Art
A number of difficulties are encountered if the jaw is to be made in one piece. On the one hand, the necessary small diameter holes cannot be punched in the jaw. On the other hand, the assembly is fragile because of the high shear stresses exerted on the rivets when the pliers are used.
Pliers-like tools are known and described in GB-A-2 067 451 and CH-A-685 749. These prior art devices have hole problems referred to above and are also relative bulky.
SUMMARY OF THE INVENTION
The aim of the invention is to provide pliers-like tools wherein components of the jaws thereof can be assembled in a highly economic and compact but nevertheless reliable manner.
To this end, the invention consists in pliers of the aforementioned type characterised in that one of the opposing jaws of the pliers includes a heelpiece having a non-circular recess therein in which a mechanical projection associated with a portion of at least one component of a tool handle is selectively inserted and wherein mechanical means are provided through the area of the recess to secure the handle portion to the heelpiece of the jaw element.
The pliers of the invention can have one or more of the features of claims
2
through
12
.
REFERENCES:
patent: 2011622 (1935-08-01), Erickson et al.
patent: 3971131 (1976-07-01), Boyajian et al.
patent: 5517762 (1996-05-01), Kuribayashi
patent: 685749 (1995-09-01), None
patent: 9305733 (1993-09-01), None
patent: 1308849 (1961-11-01), None
patent: 2067451 (1981-07-01), None
patent: 2096041 (1982-10-01), None
Bost Garnache Industries
Dowell & Dowell , P.C.
Smith James G.
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