Land vehicles – Wheeled – Extensible
Reexamination Certificate
1998-10-01
2001-03-20
Vanaman, Frank (Department: 3611)
Land vehicles
Wheeled
Extensible
C280S475000, C254S418000
Reexamination Certificate
active
06203030
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to tractor stands and splitters and more particularly pertains to a new tractor stand for supporting a front end of a tractor when the tractor is split for repairs or maintenance.
2. Description of the Prior Art
The use of tractor stands and splitters is known in the prior art. More specifically, tractor stands and splitters heretofore devised and utilized are 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 tractor stands and splitters include U.S. Pat. No. 3,850,419; U.S. Pat. No. 5,152,505; U.S. Pat. No. 1,611,366; U.S. Pat. No. 4,799,656; U.S. Pat. No. 5,620,192; U.S. Pat. No. 4,793,592; U.S. Pat. No. 3,949,976; U.S. Pat. No. 5,505,425; U.S. Pat. No. 4,784,402; U.S. Pat. No. 4,848,717; and U.S. Pat. No. Des. 349,993.
While these devices fulfill their respective, particular objectives and requirements, the aforementioned patents do not disclose a new tractor stand. The inventive device includes a pair of wheeled arms for coupling to the frame of a tractor, each arm having an adjustable chain for securing the wheels in position to support the front of a tractor when the tractor is split.
In these respects, the tractor stand 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 supporting a front end of a tractor when the tractor is split for repairs or maintenance.
SUMMARY OF THE INVENTION
In view of the foregoing disadvantages inherent in the known types of tractor stands and splitters now present in the prior art, the present invention provides a new tractor stand construction wherein the same can be utilized for supporting a front end of a tractor when the tractor is split for repairs or maintenance.
The general purpose of the present invention, which will be described subsequently in greater detail, is to provide a new tractor stand apparatus and method which has many of the advantages of the tractor stands and splitters mentioned heretofore and many novel features that result in a new tractor stand which is not anticipated, rendered obvious, suggested, or even implied by any of the prior art tractor stands and splitters, either alone or in any combination thereof.
To attain this, the present invention generally comprises a pair of wheeled arms for coupling to the frame of a tractor, each arm having an adjustable chain for securing the wheels in position to support the front of a tractor when the tractor is split.
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 tractor stand apparatus and method which has many of the advantages of the tractor stands and splitters mentioned heretofore and many novel features that result in a new tractor stand which is not anticipated, rendered obvious, suggested, or even implied by any of the prior art tractor stands and splitters, either alone or in any combination thereof.
It is another object of the present invention to provide a new tractor stand which may be easily and efficiently manufactured and marketed.
It is a further object of the present invention to provide a new tractor stand which is of a durable and reliable construction.
An even further object of the present invention is to provide a new tractor stand 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 tractor stand economically available to the buying public.
Still yet another object of the present invention is to provide a new tractor stand 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 tractor stand for supporting a front end of a tractor when the tractor is split for repairs or maintenance.
Yet another object of the present invention is to provide a new tractor stand which includes a pair of wheel assemblies, each wheel assembly having a pair of arms attachable to the front end of a tractor and an axle for aligning the stand assemblies by insertion into a connecting bar.
Still yet another object of the present invention is to provide a new tractor stand that is easily and quickly attached to a tractor for splitting and holds the front of the tractor safely.
Even still another object of the present invention is to provide a new tractor stand that provides stable and firm attachment to the tractor using existing holes in the tractor.
yet another object of the present invention is to provide a flexible device capable of being manipulated to accommodate multiple brands and variations of tractors.
REFERENCES:
patent: 1336037 (1920-04-01), LaGrange
patent: 1611366 (1926-12-01), Peterson et al.
patent: 2417727 (1947-03-01), Batlle
patent: 2590361 (1952-03-01), Arnold
patent: 3904224 (1975-09-01), Belke
patent: 4136909 (1979-01-01), Duttarer
patent: 4779888 (1988-10-01), Raymond
patent: 4799656 (1989-01-01), Puskarich
patent: 5575492 (1996-11-01), Stone
patent: 14915 (1933-10-01), None
patent: 144436 (1950-03-01), None
patent: 339864 (1959-09-01), None
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