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| Vibration proofing structure |
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| Sliding door frame and carriage assembly |
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| Device for opening and closing a sliding door |
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Christmas tree holder
| Details |
Inventors: Cone, Richard E.;
Assignee: Mitchell Associates (Paso Robles, CA)
Primary Examiner: Ramirez; Ramon O.
Assistant Examiner:
Attorney, Agent or Firm: McKown; Daniel C.
A tree holder, suitable for holding the trunk of a cut-off tree in an upright attitude includes a cup into which the lower end of the trunk is placed, the cup having a lip from which a skirt extends downwardly and outwardly. The skirt has the shape of a frustrum of a cone. Three legs are slidably attached to the skirt on its inside, and each leg can be slid toward and away from the vertex of the cone independently. Each leg is slid upwardly with respect to the skirt until the upper end of the leg is in firm contact with the trunk of the tree. At that point, the skirt and the leg are drawn together by tightening a threaded fastener, thereby clamping the leg to the skirt. The tree holder is notable for its simplicity of design and for its ability to accommodate asymmetric and crooked tree trunks. |
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DETAILED DESCRIPTION It is a first objective of the present invention to provide a tree holder that is simple and easy to use.
It is a further objective of the present invention to provide a tree holder that can easily accommodate trees having bent or odd-shaped trunks.
As in many other tree holders, the cut off tree trunk rests in a cup which can be filled with water to prolong the useful life of the tree.
In accordance with a preferred embodiment of the present invention, the cup is provided with a surrounding skirt that extends downwardly and outwardly from the lip of the cup, and that includes grooves to permit legs to slide upwardly and downwardly with respect to the skirt.
Because the skirt and the legs are inclined at an angle to the horizontal, as the legs slide upwardly with respect to the skirt, they also move radially inwardly until they come in contact with the trunk of the tree.
Once the upper part of each leg is in firm contact with the trunk of the tree, the position of the leg with respect to the skirt is fixed by tightening a screw associated with that leg.
In the preferred embodiment, three legs are used, but in other embodiments more than three legs may be used.
If the tree trunk is not perfectly cylindrical, but instead is bowed away from one of the legs, that leg can be moved independently of the other legs upwardly and inwardly with respect to the cup until the upper end of the leg contacts the bowed tree trunk.
Although this will result in the skirt being slightly unlevel, no harm is caused, because the tree holder is normally hidden from view by a sheet or blanket and the water-containing cup is sufficiently deep that its capacity is not appreciably affected by the slight tilting.
The stability of the tree holder is unaffected because it makes a three-point contact with the floor, in the preferred embodiment.
The larger the diameter of the tree the broader the area spanned by the legs, and the shorter the extension of the legs above the cup.
In instances the stand increases in strength and stability, the larger the tree
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