Joints and connections – Interfitted members – Assembled by plural manipulations of member
Patent
1991-03-15
1993-05-18
Kundrat, Andrew V.
Joints and connections
Interfitted members
Assembled by plural manipulations of member
403389, 4034071, 403294, 52239, 1602291, F16B 1304
Patent
active
052115020
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a connection system.
The invention seeks to provide an assembly of components which can be connected to one another relatively quickly. The assembly is particularly suitable for use in the construction of partition walls, door frames and other structures.
In one form the invention resides in a connection system comprising first and second members and a connecting element for interconnecting the first and second members, said first and second members each having a face with a connecting aperture therein opening into an internal space within the member, said connection element comprising a bridge portion and a pair of spigot portions one at each end of the bridge portion and extending transversely of the bridge portion, wherein the first and second members are adapted to be interconnected by inserting the spigot portions of the connecting element into the openings in said members and displacing each spigot portion with respect to the respective member such that the spigot portion is received and retained in portion of the internal space of the member.
Preferably, said spigot portions extend transversely of the bridge portion in opposite directions with respect to each other.
Preferably, said bridge portion is adapted to engage against a portion of the peripheral edge of each connecting aperture when said spigot portions are received fully in the internal spaces.
Preferably, said spigot portions are substantially parallel with respect to each other.
Preferably, said connecting aperture is elongated.
In one arrangement, the connecting element and at least one of said members is adapted to resist relative rotation between said member and the connecting element. In this arrangement, the spigot portion and said portion of the internal space within said member are each of generally rectangular cross-section.
In another arrangement, the connecting element and at least one of said member may be adapted to facilitate relative rotation between the connecting element and said member. The relative rotation may be accomplished by relative rotation of the spigot in the internal space. With this arrangement, the spigot and said portion of the internal space within said member are generally circular in cross-section.
Preferably, said connecting aperture includes a transverse portion with Which the bridge member registers when the spigot is fully received in the respective member, said transverse portion being adapted to accommodate swinging movement of the bridge portion upon relative rotation between said connecting member and said member.
Where the connecting element and at least one of said members are adapted for relative rotation, said face of said member is preferably arcuate with this arrangement, it is desirable for the centre of curvature of said arcuate face to be coincident with the axis of rotation.
The invention will be better understood by reference to the following description of several specific embodiments thereof as shown in the accompanying drawings in which:
FIG. 1 is a fragmentary isometric view of a connection system according to a first embodiment, shown in a condition during assembly of the connection system;
FIG. 2 is a fragmentary isometric view of the connection system of FIG. 1, shown in an assembled condition;
FIG. 3 is an end view of one of the members of the connection system of the first embodiment;
FIG. 4 is an isometric view of a connecting element which forms part of the connection system of the first embodiment;
FIG. 5 is a fragmentary isometric view of a connection system according to a second embodiment, shown in a condition during assembly of the connection system;
FIG. 6 is a fragmentary isometric view of the connection system of FIG. 5 shown in an assembled condition;
FIG. 7 is an end view of one of the members forming part of the connection system according to the second embodiment;
FIG. 8 is an isometric view of a connecting element forming part of the connection system of the second embodiment;
FIG. 9 is an isometric view of an alternative form of connect
REFERENCES:
patent: 3276172 (1966-10-01), Alvden
patent: 3339954 (1967-09-01), Alvden
patent: 3425721 (1969-02-01), Agee
patent: 3605851 (1971-09-01), Miles et al.
patent: 3788378 (1974-01-01), Sobel
patent: 4443911 (1984-04-01), Bannister
patent: 4825930 (1989-05-01), Lindberg et al.
Kim Harry C.
Kundrat Andrew V.
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