Static structures (e.g. – buildings) – With piercing or expanding earth anchor
Reexamination Certificate
2002-11-25
2004-08-10
Braun, Leslie A. (Department: 3632)
Static structures (e.g., buildings)
With piercing or expanding earth anchor
C052S156000
Reexamination Certificate
active
06772565
ABSTRACT:
FIELD OF THE INVENTION
Generally, this invention relates to stakes of the type that are driven into the ground. More specifically, this invention is a stake insertion and extraction system that includes stakes and an impact device.
BACKGROUND
Stakes may be driven into the ground to serve a multiplicity of purposes. One of the more common uses is that related to camping wherein stakes are driven into the ground to secure tents, tarps or other items. Due to the fact that camping conditions vary exceedingly, relative to the type of terrain and the ground conditions, the ease or difficulty with which the ground will receive a stake varies greatly. Accordingly, it is difficult to prepare for all the various conditions one may encounter. One of the most common problems encountered is where the ground is extremely hard. This maybe caused due to the dryness of the climate, or where the soil is frozen or very rocky. In these situations, it is usually necessary to carry a hammer or other device for fully inserting the stake into the ground. Where no hammer is available, or if one is forgotten, it is not uncommon to look for a rock or other heavy implement to hammer the stake into the ground.
Accordingly, while a stake may be inserted into the ground with a number of different implements or even with rocks generally found at a camp site, these devices are not designed for removal of the stake. While it is advantageous to insert a stake completely into the ground in order to assure that the item being secured stays in place, this also often guarantees that there will be great difficulty when trying to remove the stake. While hammers and the like are generally also configured for removing nails, they are not designed for stake removal. Accordingly, it is not uncommon to spend a significant amount of time trying to pull the stake out of the ground. To loosen the stake, one may need to shake or hammer it from one side to the other, which is not only time consuming but can also cause the stake to break or become misconfigured and unusable. In some instances, the item being secured is attached to the stake in such a way that it is difficult, if not impossible, to remove the item until the stake has been removed. For example, it is common for there to be a ring or grommet at each corner of a tent through which a stake may be inserted. While the end of the stake may be inserted through the ring or grommet, the top of the stake is usually too large to pass through the opening. Accordingly, the only way to disengage the tent is to remove the stake. Of the stake cannot be removed it may become necessary to cut the stake or break it. Such situations are exacerbate in bad weather conditions and thus the need for a more suitable system for inserting and removing stakes.
SUMMARY OF THE INVENTION
This invention provides an improved stake having hooks which serve the dual purpose of securing a ring, grommet or other item to the ground while also serving as part of an engagement system for removing the stake. The stake also has once embodiment wherein the hooks include an eyelet for tying various items to the stake.
The stake serves to form an integral part of a stake insertion and extraction system which utilizes an impact device. The impact device has a sleeve into which the stake may be inserted. A slot in the sleeve serves to receive the hooks which during insertion move along the slot as the stake is hammered into the ground. A notch extending from the slot allows one of the hooks to secure the stake and impact device together such that the impact device can be used to remove the stake from the ground.
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Schiltz Michael J.
Schiltz Shawn T.
Braun Leslie A.
Schmeiser Olsen & Watts
Schulterbrandt Kofi
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