Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Portable
Patent
1993-11-02
1995-05-02
Purol, David M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Portable
1602291, A47G 500
Patent
active
054110734
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to hinged frame systems. Hinged frame systems can be used in setting up exhibition or other display units, or as room dividers, or even in some constructions of furniture.
2. Description of the Prior Art
With conventional hinged frame systems, the structure is often flimsy and unstable. The present invention is concerned with providing a sturdy arrangement which is simple and economical to construct.
SUMMARY OF THE INVENTION
Accordingly, the invention provides a hinged frame system which includes cross-section and the adjacent panel having a matching convex edge profile, and a clamp for clamping the two sections together with the convex edge profile of one panel located within the concave edge profile of the other panel, the clamp having a partially circular shape so as to partially encircle a portion of a circular section of an edge profile of one of the said panels for clamping it in relation to the other panel.
Generally, each panel will have one concave edge profile and one convex edge profile and then any number of panels can be hingedly connected together by use of a clamp between any two sections; although the end panel of any series need not necessarily have both types of profiles.
The convex edge profile of the respective panel (i.e the panel having such a convex edge profile) is preferably defined by a member which is a right circular cylinder and is attached in a concave edge profile of a partially circular cross-section in that panel. Thus, a standard panel may have two concave edge profiles and one of these may be converted to a convex edge profile by provision of a suitable cylindrical member.
The clamp may be a screw clamp having a partially circular shape at one end to engage the cylindrical member.
BRIEF DESCRIPTION OF THE DRAWINGS
An embodiment of the invention will now be described by way of example with reference to the accompanying diagrammatic drawings in which:
FIG. 1 is a side view of two panels hingedly connected together;
FIG. 2 is a top view of the two panels shown in FIG. 1;
FIG. 3 is a fragmented detail view of a portion of FIG. 1; and
FIG. 4 is a view of a screw clamp.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
Referring to FIG. 1, two panels 1,2, are each formed from a covered timber frame structure and are hinged together via a cylindrical member 3 and a screw clamp 4.
Each panel has edge profiles which are bevelled and formed to have a partially circular cross-section at each side edge (see FIG. 2). These edge profiles are indicated by the arrow 5 in each case.
The cylindrical member 3 is adhesively attached to the panel 1 so that that panel 1 then presents a convex edge profile to the panel 2 thereby providing a hinge bearing for location of the two panels relative to one another.
Referring to the fragmentary detail in FIG. 3, the cylindrical member 3 has a central section 6 of slightly reduced diameter to accommodate the clamp 4. The profile edge of the panel 1 is also cut away at the position 7 to further make accommodation for the clamp 4.
With the clamp in position as shown in FIG. 1, the angular position of the two panels can readily be adjusted and then by tightening of the clamping screw 8 the two panels 1,2 can be firmly held together. With this arrangement, any number of panels can be linked together and firmly clamped so that they are rigidly held in position. The resultant structure is then particularly useful in the forming of an exhibition stand.
1. A hinged frame system comprising: profile formed to have a partially circular cross-section and the first panel having a convex edge profile formed to fit within the concave edge profile of the second panel; and convex edge profile of the first panel is located within the concave edge profile of the second panel, the clamp having a partially circular end portion located so as to partly encircle a partially circular section of the convex edge profile of the first panel for clamping the first panel to the second panel.
2.
REFERENCES:
patent: 3809142 (1974-05-01), Bleeker
patent: 4129163 (1978-12-01), Johnson
patent: 4774792 (1988-10-01), Ballance
patent: 4956953 (1990-09-01), Bates
patent: 5242241 (1993-09-01), Nelson
Frames Design & Build Limited
Purol David M.
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