CHRISTMAS TREE STAND

Abstract: The Christmas tree stand according to the invention uses the intrinsic weight of the tree to secure the tree, the stand comprising a base structure and a holding device (13) provided with means (15) for fastening the latter in the end portion of the tree, where at least a portion (14) of the holding device (13) is approximately spherical and where the influence of the tree's intrinsic weight causes the base structure to press against the spherical portion (14) of the holding device (13) and thereby secures the holding device with the tree. This allows for straightening and fixation of a tree by one upright person and the straightening will moreover be independent of any unevenness or other irregularities of the tree trunk as the base structure presses and holds only the holding device (13). The legs of the base structure thus allows for minor irregularities in the flooring due to their elasticity.

Description: Christmas tree stand The present invention relates to a Christmas tree stand comprising a base structure and a holding device where at least a portion of the holding device is approximately spherical and provided with means for securing the latter in the end portion of the tree. From e.g. WO 94/06332 a Christmas tree stand is known which comprises a holding device in the form of a disc which is to be screwed into to the end portion of the tree and a base structure with three legs. The base structure is provided with an engagement portion for the holding device which serves to prevent horizontal displacement of the two portions relative to each other. The three legs serve to ensure the vertical position of the tree, as they abut on the tree bole. It is only to a limited degree possible to straighten up a Christmas tree positioned in such known Christmas tree stand and when possible only by manual adjustment of the legs' position which does not allow one single person to carry out simultaneous adjustment and control of the positioning. When the bole of the tree is uneven or in any other way irregular, such adjustment and maintaining in position of a tree is further complicated. Thus, in case of this prior art Christ- mas tree stand, it may be necessary to support one or more legs with wedges to obtain desired straightening of the tree in a vertical position. The publications US 2 893 658, US 2 997 264, US 4 571 882 and DE 3 601 601 describe Christmas tree stands comprising a spherical portion to be secured to the end portion of the tree and a base structure for receiving and securing the spherical portion. In these prior art references, the securing is realized by threaded clamping parts or spring activated clamping parts. The securing requires manual operation of these clamping parts. This renders it difficult for one single person to arrange the tree in the correct position and at the same time activate the clamping means. It is thus the object of the invention to provide a Christmas tree stand which allows positioning and securing of a tree by one single upright operator. This object is obtained with a Christmas tree stand of the type described above which is characterized in that the base structure comprises parts constructed to press against the spherical portion of the holding device by influencing the base structure with the tree's intrinsic weight and thereby securing the holding device. The holding device being at least approximately spherical and the base structure being constructed to press against the holding device and not against the tree bole permit pivoting of the tree to any position about the centre of the spherical portion. In this context the straightening may for example be carried out steplessly. This is conveniently obtained by the structure comprising at least three support elements which are constructed to press against the spherical portion of the holding device by influencing the base structure with the intrinsic weight of the tree. In a preferred embodiment the base structure of the Christmas tree stand comprises a central receiving portion for recei¬ ving the holding device and at least three support elements hinged pivotally relative to the central receiving portion in such a way that upon influencing the receiving portion with the tree's intrinsic weight by means of the holding device, the support elements will press against the holding device and thereby secure it. According to a further advantageous embodiment the supporting elements are pivotably movable about axes which are below the centre of the spherical portion of the holding device in a final position of the tree. Hereby favourable conditions for the power influence of the holding device are obtained. In order to facilitate the insertion of the holding device in the base structure the receiving portion and the support elements are constructed with mutually cooperating parts which allow the legs to be positioned in an intermediate position where the stand may rest on the support, and the holding device secured to the tree may be inserted into the receiving portion of the stand The base structure may consist of a number of disc elements where one or more legs are secured to each disc element and where each disc element is connected to an adjacent disc element with a hinge connection which permits rotation about several axes. This ensures that the holding device receiving section of the base structure is opened when unloaded and does not influence the holding device by friction. It also ensures easy insertion of the holding device into the base structure. According to a particularly advantageous embodiment, the legs of the base structure may be made of such material and have such thickness which permits limited deformation of the legs when a tree is positioned in the stand. This is important when the support on which the stand is disposed is irregular and it is particularly relevant when the stand comprises more than three legs. The holding device is advantageously designed with or provided with a threaded part to be screwed into the tree where the approximately spherical portion of the holding device and the threaded part can moreover be made in one piece. In order to further ensure that the tree is solidly arranged, the stand may comprise means to lock the holding device relative to the base structure following final positioning of the tree, where the means for securing the position of the holding device relative to the base structure consist of e.g. a clip, a ring or the like which causes the legs to press against the spherical portion of the holding device. In a state where the Christmas tree stand with the tree is disposed on a support, e.g. a clip or a ring will increase the pressure exerted by the legs on the holding device. Such means for securing the holding device and the base structure to each other further allows the tree with the mounted stand to be moved without ensuing release of the base structure from the holding device. To ensure the grip of the base structure on the holding device, the latter may be constructed with ribs extending radially outwards relative to and substantially parallel to a central axis of the holding device. To ensure improved longevity of the tree means may be provided in connection with the stand for holding and supplying fluid to the tree. The means may e.g. consist of a sponge arranged in connection with the holding device in such a manner that the end portion of the tree is in contact with the sponge when the holding device has been positioned. A dish may alternatively be provided in connection with the holding device so that the end portion of the tree is maintained under water when the holding device is mounted. Exemplary embodiments of the invention will be described in the following with reference to the drawings, wherein Figure 1 is a top plane view of a Christmas tree stand according to the invention, Figure 2 is a sectional view along the line II-II in Figure 1, Figure 3 is a sectional view along the line III-III in Figure 1, Figures 4A, 4B and 4C are sectional views through holding devices without and with means for holding and supplying fluid, Figure 5 is a top plane view of a portion of a Christmas tree stand according to the invention provided with a locking device, Figure 6 is a perspective view of a preferred embodiment of the Christmas tree stand according to the invention. Figure 7 is a partially sectional side view of the Christ¬ mas tree stand shown in figure 6, Figure 8 is a partially cut-away sectional view along the line IV-IV of the Christmas tree stand shown in figure 6, and Figure 9 is a side view of a leg and a part of a receiving portion showing the leg in an intermediate and a final position. Figure 1 shows a top plane view of a Christmas tree stand comprising three disc elements 1,2,3 each of which constitu¬ tes one portion of a ring and is mutually connected by hinge elements 4,5,6. To each disc element 1,2,3 two legs 7-12 are secured. Between the legs 7-12 a holding device 13 is fastened which has a spherical portion 14 and a threaded part 15 to be screwed into the end portion of a Christmas tree. As will appear more clearly from Figure 2, the securing of the holding device is a result of the intrisic weight of the tree weighing upon the legs of the base structure. The reaction force from the support of the legs thus causes the leg to rotate about the rotational axis which is constituted of the hinge connection between the disc elements, and thus results in a pressure influence on the spherical portion 14 of the holding device 13 with the adjacent end portion of the legs which end portion is designed to substantially match the shape of the holding device in an abutment area. Figure 3 is a sectional view of an exemplary hinge communica- tion. In this case it may be an elastic material which permits rotation about two axes which has the practical consequence that the material is distorted. This may be effected e.g. by means of a hinge made of rubber or a soft plastics material and it may in a particularly advantageous embodiment be provided integrally with the disc elements. A corresponding effect may be obtaind with e.g. a spherical joint connection. Figure 4A is an exemplary embodiment of a convenient holding device with integral spherical and threaded parts. This provides simple and rational production of this element. Figures 4B and 4C show how such holding device may be provided with means for holding and supplying fluid to the tree. Figure 4B is a dish element 18 which is integral with the holding device, and Figure 4C shows a sponge 16 which is supported by a board 17 wherein these elements are mounted around the threaded part of the holding device. In order to further ensure that the tree is maintained in its final position a locking device (19) in the form of a clip like the one shown in Figure 5 may be provided which clip is fastened around the legs on the sides which face the holding device and thus influences said sides with an additional pressure force towards the spherical portion. Figure 6 shows a perspective view of a preferred embodiment of the Christmas tree stand according to the invention. The base structure of this stand comprises a central receiving portion for receiving the holding device. On the receiving portion, six support elements or legs are pivotably hinged in such a way that they press against the spherical portion of the holding device when this portion is inserted into the receiving portion and therein activates the base structure with the intrinsic weight of the tree fastened to the holding device. This is shown in figures 7 and 8 which are a partial¬ ly sectional side view and a top plane view, respectively, of the preferred embodiment. Figures 6-8 further show a securing ring which is mounted in grooves in the support elements and hereby press the latter further against the spherical portion of the holding device. In a mounted position of the securing ring, the tree can be lifted while the stand remains in the correct position. Each leg is mounted on the central receiving portion by means of hinge tabs 22 on the receiving portion which tabs corre¬ spond with grooves in the legs. Each support element 7-12 is designed with a cut-out 21 which may cooperate with and edge of the receiving portion in order to place the support elements in an intermediate position where the stand may be placed on the support and where the spherical portion of the holding device may be inserted into the central receiving portion of the base structure. This is shown in figure 9 which illustrates the intermediate position of a support element 7' with a dash-dotted line. As it appears in particular from figure 8, the spherical portion of the holding device is constituted of ribs ex¬ tending radially relative to and parallel to the central axis of the holding device. The ribs extend from a sleeve which has on the inside a slightly conical shape. The sleeve is mounted on a central holding device portion having on the outside a corresponding conical shape. In this central portion a hole for a screw is formed. However, the screw is not shown in the drawing. The central portion may extend into a disc as shown in figure 6, or a dish or a bowl for holding and supplying water to the tree as shown in figure 7. This preferred embodiment of the Christmas tree stand according to the invention is preferably made of a plastics material by an injection moulding process.

Claims: C l a i m s 1. Christmas tree stand comprising a base structure and a holding device (13) where at least a portion (14) of the holding device (13) is approximately spherical and provided with means for securing the latter in the end portion of the tree, c h a r a c t e r i z e d in that the base structure comprises parts constructed to press against the spherical portion (14) of the holding device (13) by influencing the base structure with the tree's intrinsic weight and thereby securing the holding device (13) . 2. Christmas tree stand according to claim 1, c h a ¬ r a c t e r i z e d in that the base structure comprises at least three support elements (7-12) which are constructed to press against the spherical portion of the holding device (13) by influencing the base structure with the tree's intrinsic weight. 3. Christmas tree stand according to claim 1 or 2, c h a - r a c t e r i z e d in that the base structure comprises a central receiving portion for receiving the holding device and at least three support elements hinged pivotally relative to the central receiving portion in such a way that upon influencing the receiving portion with the tree's intrinsic weight by means of the holding device, the legs will press against the holding device and thereby secure it. 4. Christmas tree stand according to claim 3 , c h a - r a c t e r i z e d in that the receiving portion and the support elements are constructed with mutually cooperating parts which allow the legs to be positioned in an interme¬ diate position where the stand may rest on the support, and the holding device secured to the tree may be inserted into the receiving portion of the stand. 10 5. Christmas tree stand according to claim 2-4, c a ¬ r a c t e r i z e d in that the support elements (7-12) are pivotably movable about axes which are below the centre of the spherical portion of the holding device (13) in a final position of the tree. 6. Christmas tree stand according to claim 1 or 2, c h a ¬ r a c t e r i z e d in that the base structure consists of a number of disc elements (1-3) wherein one or more legs (7- 12) are fastened on each disc element and where each disc element (1,2 or 3) is secured to adjacent disc elements by means of hinge connections (4-6) which permit rotation about several axes. 7. Christmas tree stand according to claim 6, c h a ¬ r a c t e r i z e d in that the hinge connections are made of a flexible material, e.g. rubber or soft plastics, or is a spherical joint connection. 8. Christmas tree stand according to claims 1-7, c h a ¬ r a c t e r i z e d in that the holding device (13) comprises a threaded part (15) for screwing into the tree. 9. Christmas tree stand according to claim 8, c h a - r a c t e r i z e d in that the approximately spherical portion (14) of the holding device and the threaded part (15) are made in one piece. 10. Chrismas tree stand according to claims 1-9, c h a - r a c t e r i z e d in that the holding device is construc¬ ted with ribs extending radially outwards relative to and substantially parallel to the central axis of the holding device. 11. Christmas tree stand according to claims 1-10, c h a ¬ r a c t e r i z e d in that the support elements or legs (7-12) of the base structure are made of such material and have such thickness which permit limited deformation of the legs in a state when a tree is arranged in the stand. 12. Christmas tree stand according to claims 1-11, c h a - r a c t e r i z e d in that the means (16) for locking the base structure relative to the holding device (13) following final positioning of the tree. 13. Christmas tree according to claim 12, c h a r a c t e - r i z e d in that the means (16) for locking the base structure relative to the holding device is constituted of a clip or a ring which urges the legs (7-12) towards the spherical portion (14) . 14. Christmas tree stand according to claim 1-13, c h a ¬ r a c t e r i z e d in that the stand includes means (16,18) for holding and supplying liquid to the tree.

Inventors: COLLET BERNT JOHAN, COLLET PETER FERDINAND, COLLET, BERNT, JOHAN, COLLET, PETER, FERDINAND
Applicants: COLLET BERNT JOHAN, COLLET PETER FERDINAND, COLLET, BERNT, JOHAN, COLLET, PETER, FERDINAND
Application year: 1995
Main classification: A47G33
IPC codes: A47G33