Wireworking – Implements – Stretchers
Reexamination Certificate
1999-09-02
2001-06-26
Larson, Lowell A. (Department: 3725)
Wireworking
Implements
Stretchers
C081S009300
Reexamination Certificate
active
06250342
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to wrenches and more particularly pertains to a new cv(constant velocity) joint boot clamp tightening tool for tightening a clamp used to maintain a cv joint boot on an axle of a vehicle.
2. Description of the Prior Art
The use of wrenches is known in the prior art. More specifically, wrenches heretofore devised and utilized arc known to consist basically of familiar, expected and obvious structural configurations, notwithstanding the myriad of designs encompassed by the crowded prior art which have been developed for the fulfillment of countless objectives and requirements.
Known prior art wrenches and other types of tools include U.S. Pat. No. 2,371,439; U.S. Pat. No. 2,115,736; U.S. Pat. No. 3,981,049; U.S. Pat. No. 4,335,477; U.S. Pat. No. 4,724,729; and U.S. Pat. No. 4,459,717 which are each incorporated herein by reference.
In these respects, the cv joint boot clamp tightening, toot according to the present invention substantially departs from the conventional concepts and designs of the prior art, and in so doing, provides an apparatus primarily developed for the purpose of tightening a clamp used to maintain a cv joint boot on an axle of a vehicle.
SUMMARY OF THE INVENTION
In view of the foregoing, disadvantages inherent in the known types of wrenches now present in the prior art, the present invention provides a new cv joint boot clamp tightening tool construct ion wherein the same can be utilized for tightening a clamp used to maintain a cv joint boot on an axle of a vehicle.
The general purpose of the present invention, which will be described subsequently in greater detail, is to provide a new cv joint boot clamp tightening tool apparatus and method which has many of the advantages of the wrenches mentioned heretofore and many novel features that result i n a new cv joint boot clamp tightening tool which is not anticipated, rendered obvious, suggested, or even implied by any of the prior art wrenches, either alone or in any combination thereof.
To attain this, the present invention generally comprises a solid inboard extent with a cylindrical configuration. For gripping purposes, the inboard extent has a knurled outer Surface. The present invention further includes an intermediate extent integrally coupled to the inboard extent in coaxial relationship therewith. As shown in
FIG. 3
, the intermediate extent includes a pair of side faces spaced a distance about equal a diameter of the inboard extent. A top face and a bottom face of the intermediate extent have a planar inboard portion diverging from the inboard extent to an intermediate point. The top face and bottom face of the intermediate extent each further have a planar outboard portion converging from the intermediate point. As shown in
FIG. 3
, a cut out is formed between the top face and the bottom face of the intermediate extent. Such cut out is defined by a thin rectangular central part and a pair of wide square end parts. A bore is formed between the side faces of the intermediate extent through a center of the central part of the cut out. Such bore is also in-line with an interconnection between the inboard portion and the outboard portion of the top and bottom faces of the intermediate extent. Integrally coupled to the intermediate extent in coaxial relationship therewith is an outboard extent. The outboard extent includes a pair of side faces which converge from the intermediate extent to a free end. A top face and a bottom face of the outboard extent each also converge from the intermediate extent to the free end. A rectangular slot is formed through the outboard extent. This slot is equipped with a first opening in communication with the cut out of the intermediate extent and a second opening at the free end. Finally, a crank with an S-shaped configuration is provided having a pair of parallel members. One of such parallel members has a diametrically disposed slit formed therein along a length thereof. Further, such parallel member is equipped with an annular recess formed in its outer surface. As shown in
FIG. 2
, the parallel member with the slit and the recess is rotatably mounted within the bore of the intermediate extent. For maintaining the crank in position, a retainer clip is coupled to the annular recess. In use, the slit is adapted for engaging an end of a clamp such that the same may be reeled through the slot via the crank for tightening purposes.
There has thus been outlined, rather broadly, the more important features of the invention in order that the detailed description thereof that follows may be better understood, and in order that the present contribution to the art may be better appreciated. There are additional features of the invention that will be described hereinafter and which will form the subject matter of the claims appended hereto.
In this respect, before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced and carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting.
As such, those skilled in the art will appreciate that the conception, upon which this disclosure is based, may readily be utilized as a basis for the designing of other structures, methods and systems for carrying out the several purposes of the present invention. It is important, therefore, that the claims be regarded as including such equivalent constructions insofar as they do not depart from the spirit and scope of the present invention.
Further, the purpose of the foregoing abstract is to enable the U.S. Patent and Trademark Office and the public generally, and especially the scientists, engineers and practitioners in the art who are not familiar with patent or legal terms or phraseology, to determine quickly from a cursory inspection the nature and essence of the technical disclosure of the application. The abstract is neither intended to define the invention of the application, which is measured by the claims, nor is it intended to be limiting as to the scope of the invention in any way.
It is therefore an object of the present invention to provide a new cv joint boot clamp tightening tool apparatus and method which has many of the advantages of the wrenches mentioned heretofore and many novel features that result in a new cv joint boot clamp tightening tool which is not anticipated, rendered obvious, suggested, or even implied by any of the prior art wrenches, either alone or in any combination thereof.
It is another object of the present invention to provide a new cv joint boot clamp tightening tool which may be easily and efficiently manufactured and marketed.
It is a further object of the present invention to provide a new cv joint boot clamp tightening tool which is of a durable and reliable construction.
An even further object of the present invention is to provide a new cv joint boot clamp tightening tool which is susceptible of a low cost of manufacture with regard to both materials and labor, and which accordingly is then susceptible of low prices of sale to the consuming public, thereby making such cv joint boot clamp tightening tool economically available to the buying public.
Still yet another object of the present invention is to provide a new cv joint boot clamp tightening tool which provides in the apparatuses and methods of the prior art some of the advantages thereof, while simultaneously overcoming some of the disadvantages normally associated therewith.
Still another object of the present invention is to provide a new cv joint boot clamp tightening tool for tightening a clamp used to maintain a cv joint boot on an axle of a vehicle.
Even still another object of the present inv
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