Joints and connections – Rod end to transverse side of member – Corner joint
Patent
1981-02-17
1983-09-20
Shedd, Wayne L.
Joints and connections
Rod end to transverse side of member
Corner joint
403408, 312263, B25G 300, F16B 708, F16B 900, F16L 4100
Patent
active
044052537
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a connection between two elements, preferably elements of wood in furniture or the like, comprising a straight rod the two end portions of which extend into a bore in one element and the other, respectively, and which is locked, by means of a cross-pin in a transverse bore in one element, against withdrawal from this element and is locked, by means of a cross-rod in a transverse bore in the other element, against withdrawal from this element.
Various types of furniture fitting have been proposed in an effort to provide connections of this kind in a manner which permits manufacture of furniture in a factory or which renders it possible for the amateur to assemble easily a piece of furniture which has been delivered as a mounting set. To provide a firm and play-free connection between the elements, these fittings are usually based on the fact that the necessary stability is obtained by the elements being tightened against one another at suitable engagement surfaces, and they often also presuppose that the elements are provided with guide pins and guide holes, respectively, in order to fit together in the correct manner. Connections which are based on assembly of the elements, require readjustment, however, on changes in temperature and climate, if they are to retain their stability, which is of course a disadvantage when it is a question of furniture in public places and garden furniture. In order to be able to be fitted discreetly in the furniture without disturbing the appearance thereof, the prior art fittings also are often of a construction which means that the fitting is expensive to manufacture.
With the object of providing a firm and reliable connection of the kind referred to above, which comprises a particularly simple and easily manufactured and therefore cheap fitting and moreover permits readjustment after the fitting is well and truly in place, such a connection according to the invention has obtained the characteristics appearing from claim 1.
Such a connection provides the following advantages over known connections of a similar type:
1. The mounting can easily be carried out by an amateur without using special tools.
2. The fitting included in the connection replaces glue and a centre pin in all furniture manufacture in the industry, which involves great advantages in storage and provides flexibility as far as manufacturing combinations and assembly in different dimensions are concerned.
3. The major part of the fitting is hidden in the connection; only end surfaces thereof are visible in a concealed place and moreover can easily be hidden by a suitable member.
4. The fitting consists of simple parts and can therefore be manufactured at a particularly low cost, estimated at only a quarter of the cost of the most similar fittings, and the working operations which have to be carried out on the elements to mount the fitting are of the simplest kind imaginable: only the drilling of a few holes is necessary.
In order to illustrate the invention this will be described in more detail below with reference to the accompanying drawing in which
FIG. 1 is a side view of a connection according to the invention with the two elements which are secured together by means of the connection shown in section,
FIG. 2 is a sectional view of the connection, taken along line II--II in FIG. 1,
FIG. 3 is a view corresponding to FIG. 2 in a modified embodiment of the connection,
FIG. 4 is a cross-sectional view taken along line IV--IV in FIG. 3,
FIG. 5 is a side view of an eccentric pin included in the connection, and
FIG. 6 is an end view of the eccentric pin of FIG. 5, seen from the left in the last-mentioned figure.
FIG. 1 shows two elements 10 and 11 which are connected to one another by a connection according to the invention and may consist, for example, of a pair of wooden or wood-fibre parts of a piece of furniture. The element 10 has an edge surface which bears against a side surface on the element 11 in a butt joint 12. From the edge surface, a blind hole 13 is drilled perpendicularl
REFERENCES:
patent: 3884002 (1975-05-01), Logie
patent: 4116573 (1978-09-01), Fuchs
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