Fire escape – ladder – or scaffold – Scaffold external of shaft
Reexamination Certificate
1999-12-01
2001-01-09
Chin-Shue, Alvin (Department: 3634)
Fire escape, ladder, or scaffold
Scaffold external of shaft
C182S100000, C182S189000
Reexamination Certificate
active
06170609
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a system for sportsmen when hunting at an elevated location in a tree without harming the supporting tree and more particularly pertains to hunting in an ecologically preferred manner.
2. Description of the Prior Art
The use of devices for use by sportsmen when hunting of known designs and configurations is known in the prior art. More specifically, devices for use by sportsmen when hunting of known designs and configurations heretofore devised and utilized for the purpose of maintaining ecological balance when hunting through known methods and apparatuses are known to consist basically of familiar, expected, and obvious structural configurations, notwithstanding the myriad of designs encompassed by the crowded prior art which has been developed for the fulfillment of countless objectives and requirements.
By way of example, U.S. Pat. No. 3,731,956 to Hanley discloses a panel structure and the like with connecting means. U.S. Pat. No. 4,113,058 to Kobosh discloses a portable seat for hunters. U.S. Pat. No. 4,600,081 to Wade discloses a portable tree seat for hunters and outdoorsmen. U.S. Pat. No. 4,727,961 to Dawson discloses a hunting tree stand. U.S. Pat. No. 4,730,700 to Miller discloses a portable tree stand. U.S. Pat. No. 4,928,793 to Westimayer discloses a rigid tree seat. Lastly, U.S. Pat. No. 5,518,083 to Blennert discloses a swing arm tree stand.
While these devices fulfill their respective, particular objectives and requirements, the aforementioned patents do not describe a system for sportsmen when hunting at an elevated location in a tree without harming the supporting tree that allows hunting in an ecologically preferred manner.
In this respect, a system for sportsmen when hunting at an elevated location in a tree without harming the supporting tree according to the present invention substantially departs from the conventional concepts and designs of the prior art, and in doing so provides an apparatus primarily developed for the purpose of hunting in an ecologically preferred manner.
Therefore, it can be appreciated that there exists a continuing need for a new and improved system for sportsmen when hunting at an elevated location in a tree without harming the supporting tree which can be used for hunting in an ecologically preferred manner. In this regard, the present invention substantially fulfills this need.
SUMMARY OF THE INVENTION
In view of the foregoing disadvantages inherent in the known types of devices for use by sportsmen when hunting of known designs and configurations now present in the prior art, the present invention provides an improved system for sportsmen when hunting at an elevated location in a tree without harming the supporting tree. As such, the general purpose of the present invention, which will be described subsequently in greater detail, is to provide a new and improved system for sportsmen when hunting at an elevated location in a tree without harming the supporting tree and method which has all the advantages of the prior art and none of the disadvantages.
To attain this, the present invention essentially comprises a base plate. The base plate is formed in a partially cylindrical configuration. The base plate has an interior face adapted to be positioned in contact with the exterior surface of a supporting tree. The base plate has an exterior exposed face. The base plate also has laterally spaced apertures adjacent to its side edges. Next provided is a threaded machine bolt. The threaded machine bolt has a diameter over the majority of its central extent. The interior end of the threaded machine bolt is secured to the exterior surface of the base plate. The threaded machine bolt has an enlarged cylindrical exterior end. A chain is formed of sections. Each section has an interior link permanently secured to an associated aperture in the base plate. The chain has couplable free ends. A supplemental plate is positioned on the exterior surface of the tree circumferentially remote from the base plate. The supplemental plate has an upper first locking component. The upper first locking component is provided with a hole. The supplemental plate also has an upper second locking component. The upper second locking component is provided with a second hole. The first and second holes are alignable. A padlock is secured through the holes during operation and use. The supplemental plate, base plate and chains are adapted to be removably secured to an elevated location on a tree. Next provided is a bolt. The bolt has a C-shaped first end. The C-shaped first end of the bolt is removably attachable to a free end of a chain section. The bolt also has a threaded second end which is removably couplable to a bolt in the second locking component. A support assembly has a horizontal floor. The floor is provided with an aperture. The aperture supports a transverse pivot pin. Next provided is a seat for a user. The aperture extends along the length of the support assembly and the seat. The seat has a leg. The upper end of the leg is secured to the bottom of the seat. A lower end of the leg is provided with an oval aperture. The oval aperture is pivotably received on the pivot pin. In this manner movement of the seat between a lowered orientation for storage and transportation and an upper orientation for operation and use by a seated hunter is effected. The seat has an auxiliary plate. The auxiliary plate is positionable over the base plate with an opening there through. The opening has an enlarged lower portion. The enlarged lower portion is positionable over the head of the bolt. An upper portion is of a reduced size for positioning over the central portion of the bolt. Next provided is a ladder. The ladder is formed with at least one vertically extending bar. A plurality of horizontally extending climbing bars extend outwardly from the vertically extending bar. An upper plate is secured to the upper end of the vertically extending bar. An aperture is provided through the upper plate. The aperture has a lower circular portion. The lower circular portion is adapted to pass over the head of the bolt. A reduced lower portion of the aperture is adapted to be maintained on the central extent of the pin. Lastly provided is a supplemental ratchet strap. The strap is formed of two sections. The sections are secured at their interior ends to the lower portion of the vertical rod. The strap has free ends adapted to encompass the tree at a lower region. The free ends also function for removably coupling with lower locking components which may be similar to the upper locking components but is preferably a ratchet clamp.
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, of course, 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 descriptions 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
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