Joints and connections – Rod end to transverse side of member – Corner joint
Patent
1991-10-07
1993-11-30
Reese, Randolph A.
Joints and connections
Rod end to transverse side of member
Corner joint
403252, 4034051, 403257, 108152, F16B 1200
Patent
active
052659712
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device for fixing panels together for constructing a piece of furniture, shelving, a cupboard or the like, according to the preamble of claim 1.
There are numerous fixing devices by means of which it is possible to connect two panels so as to construct, for example, shelving, namely: two panels and designed so that when the latter are assembled they fit into one another; or other panel, so that, by rotating the cam, the two panels are pressed towards one another.
In principle, when two panels are connected, the edge of one comes to lie flat against a face of the other.
The aforementioned fixing systems are perhaps well adapted to solid panels, but they have drawbacks with hollow panels of the type formed, for example, by two plates, which are joined at their periphery by means of a frame; in fact, when such hollow panels are interconnected by means of fixing devices known until now, they are subject to bending, torsional, pressure and shearing stresses which deteriorate them by local or overall deformation.
The problem raised above is resolved thanks to the fixing device according to claim 1.
There is now described an embodiment for fixing two panels which are designed to form shelving and connected by means of two devices as specified by the invention.
BRIEF DESCRIPTION OF THE DRAWING
FIG. 1 diagrammatically shows two hollow panels P, Q by dot-and-dash lines so as to make it easier to understand the drawing.
DESCRIPTION OF THE PREFERRED EMBODIMENT
The two panels P, Q are rectangular so as to form shelving. A horizontal panel P has to be fixed to another vertical panel Q so that an edge of the horizontal panel comes into contact with one of the faces of the vertical panel Q and so that thus the two panels P, Q are perpendicular to one another after assembly.
Of course a horizontal panel P is simultaneously connected to two vertical panels Q opposite one another. However, in FIG. 1 the second panel Q has not been shown so that the drawing does not become unnecessarily complicated.
The horizontal panel P is fixed to the vertical panel by means of two attachment devices S1 and S2, with S2 being slightly different from S1.
Each fixing device S comprises a pin A, a wire D, a rod B, a disc C and a screw E.
At each of its four corners, the horizontal panel P is provided with a circular aperture R which passes through its entire thickness or at least opens on one face. Into each of the apertures R there is introduced, in free rotation, an axle in the form of a pin A, the ends of which are approximately on the same level as the two faces of the horizontal panel P, as shown in the part of the drawing shown by thick continuous lines. In fact, the pin A is engaged in free rotation inside an aperture R provided in each of the two plates which form the horizontal panel P.
In system S1, a first end of the wire D is fixed to the pin A so that when the latter is brought into rotation, the wire is wound around it. The rod B is provided with two longitudinal passages I and J. The disc C is pierced by two holes. From the pin A, the wire firstly passes by freely sliding through a first passage J of the rod B, then also freely through a first and then the second hole in disc C, and finally through the second passage I of the rod B, but without being able to slide, to which rod B the second end of the wire D is fixed.
Before the assembly of the two panels P, Q, the fixing device is assembled inside the horizontal panel P so that the part of the wire D provided with the disc C emerges from an aperture Y provided in the longitudinal edge of the horizontal panel P, with the edge coming into contact with the vertical panel Q.
The dimensions and shape of the disc C and of the aperture Y are chosen so that the disc C can not pass through the aperture Y, or can only do so with difficulty.
Exactly opposite the aperture Y, at the place where the horizontal panel P has to be fixed onto the vertical panel Q, the latter is provided with an aperture X through which the disc C can pass.
Similarly, the
REFERENCES:
patent: 3064321 (1962-11-01), Rose
patent: 4664548 (1987-05-01), Brinkmann
patent: 4923321 (1990-05-01), Kriz
patent: 4930931 (1990-06-01), Matsui
Kim Harry C.
Reese Randolph A.
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