Supports: cabinet structure – Sectional-unit type – Connectors
Reexamination Certificate
1999-03-22
2001-07-31
Cuomo, Peter M. (Department: 3636)
Supports: cabinet structure
Sectional-unit type
Connectors
C312S108000
Reexamination Certificate
active
06267462
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a cabinet system comprising combinable components for forming variants for universal usage, more particularly for various office room forms such as cell, group, or combined offices.
The known cabinet systems consisting of combinable components comprise a multiplicity of components which have several width and height dimensions within a defined modular pattern to be assembled to form the cabinet systems desired. In these systems, upper and lower cabinets, sideboards, highboards and the like are defined as such and can only be used and/or assembled in accordance with this distinct function. Very often, the single parts can only be combined after drilling additional holes directly into the furniture board. Disassembling or reassembling of the combined parts is possible only in a limited way and often damages the surface visibly and permanently. It is an objective of the present invention to provide a cabinet system which avoids the disadvantages of the known prior art and which ensures that a multiplicity of variants may be formed using only a small number of different components not being restricted to one function only, wherein these variants may be adapted as often as desired to match changing office room forms or office requirements.
SUMMARY OF THE INVENTION
The particular advantages of the arrangement of system holes and system threads in the carcass surfaces of components differing only in their width and height, according to the present invention, lie in the fact that
it is possible to arrange the components to form variants as often as desired without further drilling, doweling, screwing into the carcass surfaces, covering of holes and the like,
it is possible to expand a basic arrangement in upward, downward, left or right directions as desired and even to use the components in a position rotated around their own axes,
a precisely matching and unrestricted joining of the system components is ensured.
The system holes according to the present invention used to join the components by joining screws and sleeve nuts are unambiguously determined as regards their position and number on the carcass sides. Also, the number and position of the system threads in one of the carcass sides are precisely determined.
The components are manufactured of a compact board consisting of multiplex, having a thickness of 12.0 mm for example, as support material being coated on both surface sides with HPL at a thickness of, for example, 0.8 mm. The seven-fold lengthwise and transverse bonding of the single veneer sheets of the multiplex ensures excellent stability of the carcasses. Moreover, this counteracts to the inclination of the wood to deform due to humidity changes.
All carcass parts are produced using a CNC machine. In this manner, tolerances of ±0.2 mm are achieved for the system holes, system threads, hole rows, the three-hole configuration for the door stops as well as all millings, etc. The carcass parts are designed to divert the tolerances of the support material and the coating to the inside. As regards the outer dimensions, only negative tolerances up to a maximum of 0.4 mm are permitted.
Surprisingly, it has been found that the use of multiplex material and the limitation to certain outer dimensions of the components assembled in the aforementioned way makes possible the observation of tolerance chains which otherwise are only possible in steel construction work and had never been achieved hitherto in wood furniture production and which provide a precondition for the modular system according to the present invention.
The carcass parts are appropriately cut mitred (45°) and pressed to form a carcass using angle dowels commercially available. Due to the relatively thin compact board and the tolerances to be observed, this work requires utmost precision.
The system hole having a diameter of 10.0 mm, for example, is of decisive importance. All joints occurring during the assembly as well as the inclusion of additional parts such as cover panels, screens, wardrobe bars, lamps, bases, cable ducts, CPU stands, drawing roll stands, support angles, steel handles for component joining, sliding aids, inter-component connectors and component-screen connectors are made possible by means of the system holes.
The system threads are produced using riveted bushings which are generally inserted into the bottom of the carcasses to accommodate footpieces or bases. The height of the bases as well as the footpieces may be adjusted by pushing an Allan key through the system threads.
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Krause Helge
Welke Hans-Peter
Cuomo Peter M.
Hansen James O.
Norris McLaughlin & Marcus P.A.
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