Joints and connections – With adjunctive protector – broken parts retainer – repair,...
Patent
1991-12-19
1994-04-26
Reese, Randolph A.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
403403, 403382, F16B 700, F16B 1200, F16S 300
Patent
active
053060946
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
Sections of extruded aluminum are used to a large extent in building up structures in public places and offices. Examples of such applications are electronic consoles for different purposes, e.g., radio and TV studios, and watching and controlling of processes and the like. The sections are connected at facing corners by the help of connecting means, to which the sections are attached by screws or similar means. Known connecting means have perpendicular contact surfaces to which the ends of the sections are joined. Up to now, known connecting means only permit jointing of sections into normal corners. In cases in which it is desired to have the sections meet at angles other than normal, alternative means for the jointing have had to be used.
A known connecting member has three normal contact surfaces for sections, and from these surfaces triangular guiding means protrude which are intended to extend into a cavity in the corresponding crosscut of the section to give a strong torsional connection between the connecting member and the section. The triangular guiding means is constituted by one half of a normal prism, which has been cut along a diagonal between two opposite corners. This corner member constitutes the prior art from which the present invention is an improvement.
DESCRIPTION OF THE INVENTION
The purpose of the present invention is to provide a connecting member which avoids the drawbacks of the known connecting members, but which permits a connection of sections to corners, at which the sections can meet under normal as well as sloping angles. The purpose has been achieved by a connecting member having at least two normal contact surfaces for sections and guiding means projecting from the same. The invention is characterized in that the guiding means show support surfaces sloping in a direction from the contact surface of the member. The guiding means permits a section which has been cut off with a contact surface sloping to the longitudinal direction of the section to be brought together with the connecting member in a way that its guiding means is brought into a corresponding guiding groove in the section without obstacles.
The guiding means can be constituted by one or more designs, the common feature of which consists in the sloping support surfaces proposed to fix the section in a desired position. It is also within the scope of the invention to utilize one or more supporting means to fix one and the same section. In this regard, a supporting means can be designed as two conical pins projecting from the contact surface of the connecting member or a longish conical means projecting from that surface.
The inclination of the support surfaces can be up to 20.degree. to the normal to the contact surface without making the edges of the section project from the connecting member in an aesthetically unattractive manner. Preferably the supporting surface slopes 15.degree. to the normal to the contact surface on the connecting member. It is also preferred to define an exact shape of the bottom of the guiding means by having the support surface slope firstly in a distance of about 1 mm from the contact surface. Differences in dimensions arising relative to the slopingly cut section will be taken up by plastic or elastic deformation of the section at the jointing.
DESCRIPTION TO DRAWINGS
The invention will now be described below as an example of application in connection with the enclosed drawings.
FIG. 1 shows a consol to be used in television.
FIG. 2 shows a corner where two sections are jointed by help of a connecting member, one section sloping with respect to a contact surface of the connecting member.
FIG. 3 shows the connecting member according to FIG. 2 seen from the side.
FIG. 4 shows the connecting member according to FIG. 3 seen in a view 4--4 according to FIG. 3.
FIG. 5 shows the connecting member according to FIG. 3 in a view 5--5 according to FIG. 3.
FIG. 6 shows the connecting member according to FIG. 4 in a view 6--6.
FIG. 7 shows a detail of a guiding
REFERENCES:
patent: 3211481 (1965-10-01), Cadovius
patent: 4270872 (1981-06-01), Kiyosawa
patent: 4273462 (1981-06-01), Fukuchi
patent: 4589792 (1986-05-01), Niziol
patent: 4826347 (1989-05-01), Baril
patent: 4973187 (1990-11-01), Sauder
Andersson Olle
Danielsson Curt
Knight Anthony
Reese Randolph A.
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