Chairs and seats – Bottom – back and leg
Patent
1996-08-19
1997-12-30
Cuomo, Peter M.
Chairs and seats
Bottom, back and leg
297338, 297353, 108106, 108107, 108108, A47C 100, A47C 736
Patent
active
057021589
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND TO THE INVENTION
The present invention relates to an arrangement in a structural element, for example in connection with a piece of furniture, in particular seating furniture or occasional furniture, comprising at least one first and second supporting member, each comprising a part with a cut-out, the cut-outs being so adapted as to enable the supporting members to be inserted retrievably into each other for inter-connecting.
PRIOR ART
The present type of structural element is a further development of what is mentioned in Norwegian patent application 92.1285 in which reference is made to SE358 286 (Ward), GB 1.365.103 (Andrews), GB 1.421.535 (Finlator), GB 2.203.034 (Fraser). The further development is also described in international Patent Application No. PCT/NO93/00054.
Furthermore, known from FR patent specification 893 198 (Stoecklin) is a chair with an adjustable seat, the chair comprising a column which is at its forward edge fitted with a groove in which may slide a support which carries a seat. The groove in the column is, however, not through-going, and locking of the support and the seat is done by means of a screw inserted into one of several holes cut into the rear part of the column, while at the same time there is attached to the screw an arch encircling the rear edge of the column and from whose forward arch portions, springs extend which are connected to the support which carries the chair seat.
The known chair comprises no divided centre stem with chiefly inclined or partially curved or wavy sliding/locking surfaces entailing that the known chair cannot be used as a general structural element, in particular not of the type stated initially. Nor can the known chair be made as a self-supporting unit but only as a single-foot chair which is either placed in an iron trimmed tube fitted into the floor, or hung on a wall in an upper arch at the top of the chair column.
THE OBJECT OF THE INVENTION
The objects of the present invention are the same as those stated in Applicants' Norwegian patent application No. 92.1285, and international patent application No. PCT/NO93/00054, that is, to provide structural elements or supporting members which: user surfaces which may be at different levels and form different mutual angles with each other. elements included in the supporting members both alone and together with the user surfaces used contributing to stabilizing the elements of the supporting members relative to each other, the supporting members may be allowed to be yieldingly mounted, when being mounted require no or very elementary tools, while at the same time the mounting is easily done, environments and combine with a number of furniture functions e.g. made into stools, chairs, chairs for kneeling-sitting, occasional tables, shelves, pedestals, small tables, long (refectory) tables etc.
BRIEF DESCRIPTION OF THE INVENTION
The objects stated above are achieved with an arrangement of the nature described initially which is according to the invention characterized through the attached patent claims.
Advantageous features and further developments of the present invention will be evident from the description which follows, together with the drawings attached.
BRIEF MENTION OF THE FIGURES
FIGS. 1 and 2 are, respectively, a perspective frontal sketch and perspective sideways sketch of a first embodiment of a chair whereby the present invention is realised.
FIGS. 3 and 4 show in perspective on a larger scale a detail of the chair according to FIGS. 1 and 2 at the upper, rear area of the said chair, FIG. 3 being a perspective outline viewed somewhat at an angle from above, while FIG. 4 is a perspective outline viewed more directly from above.
FIG. 5 is a sideways sketch of the area shown in FIGS. 3 and 4 of the said chair, but comprise additional details, especially with regard to fastening and locking devices.
FIG. 6 is a section along the line VI--VI in FIG. 5.
FIG. 7 is a variant of the chair according to FIGS. 1 and 2, the foot rest having here been removed, and the back rest
REFERENCES:
patent: 3181828 (1965-05-01), Cramer
patent: 4109961 (1978-08-01), Opsvik
patent: 4738487 (1988-04-01), Shalinsky et al.
patent: 4793654 (1988-12-01), Takafuji
patent: 4921303 (1990-05-01), White
patent: 4930839 (1990-06-01), Saito et al.
patent: 5511855 (1996-04-01), Miles
patent: 5547253 (1996-08-01), Schwartz et al.
Mengshoel Hans Chr.
Rykken Oddvin
Cuomo Peter M.
White Rodney B.
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