Horizontally supported planar surfaces – Plural related horizontal surfaces – Vertically adjustable
Patent
1989-01-18
1991-10-08
Dorner, Kenneth J.
Horizontally supported planar surfaces
Plural related horizontal surfaces
Vertically adjustable
108107, 211193, A47B 900
Patent
active
050544047
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
This invention pertains to a variable showroom furniture construction system and more in particular to a wooden dismountable and remountable, variable showroom furniture construction system that, in mounted condition, consists at least of two vertical stands and a number of trays which in mounted condition, are lying horizontally, and are adjustable in height, said trays being carried on their outer ends by adjustable supporting beams attached to the stands.
BACKGROUND OF THE INVENTION
Until the present a number of different such-like construction systems have been proposed. These on the one hand have the disadvantage that for mounting use is made of esthetically unsightly metal mounting parts and/or series of bore holes clearly visible from the outside. As a result the mounted system is less suited to be applied for a true furniture function. On the other hand such systems are composed of interconnected components often showing an insufficient sturdy construction which in the long run proves not to endure the normally occurring heavy load. Consequently up till now a sufficiently sturdy mounted system could only be realized by means of a rather complicated and elaborate mounting equipment.
Subsequently there is a demand for a simple and financially attractive to manufacture proposal for a predominantly wooden showroom furniture construction system which is easy to mount and to dismount, which moreover is truly acceptable from an esthetic point of view as a piece of furniture thanks to the lack of visible unsightly metal parts and/or series of bore holes.
SUMMARY OF THE INVENTION
The purpose of my invention is therefore to provide a financially attractive variable showroom furniture construction system, that is easy to mount and to dismount and which meets the demand described hereabove.
The predominantly wooden showroom furniture construction system according to my invention is novel in that each column is provided on the inward facing side with a groove in the longitudinal direction, in the bottom of which a number of mutually spaced pin holes have been made into which pins of distance blocks fit, whereby each time on two opposite distance blocks attached at similar height, a supporting beam is positioned, on which one end of a tray rests, whereby each supporting beam is provided on the side directed to the thereupon resting tray, with recessed pin holes or protruding pins, while in the surface of the tray in the place of these pin holes or protruding pins respectively corresponding fitting pins or pin holes are provided, while an other portion of the pertaining tray rests on a console, removably attached on one end to a vertical compound column standing on one of the longitudinal sides of the tray , said column consisting of two spaced parallel poles on the top and bottom side kept together by a spacer, the inner surface of the two poles comprising a first set of spaced parallel grooves at one longitudinal edge of said poles, at well as a second set of spaced parallel grooves at the opposite longitudinal edge of said poles, whereby each console is provided with protruding pins projecting from both sides on the attached end of the console, said pins engaging the first set of grooves in both poles of the column, locking blocks being provided in the space between two poles of a compound column, said blocks having projecting pins at two opposite faces, engaging the second set of grooves in both poles of the column, said blocks cooperating with the attached end of a console.
DESCRIPTION OF THE DRAWINGS
FIG. 1 shows in perspective the upper portion of a stand, comprising two profiled columns and one end of a tray.
FIG. 2 is a view of the upper portion of one column, partly cut-out.
FIG. 3 is a perspective front view of a portion of a tray.
FIG. 4 shows a supporting beam with a separate wing-shaped sideward extension.
The FIGS. 5 and 6 show two opposite distance blocks for carrying a supporting beam.
FIG. 7 is a perspective view of a showroom furniture.
FIG. 8 shows an enlarged
REFERENCES:
patent: 1324537 (1919-12-01), Belcher
patent: 2872144 (1959-02-01), Hobson
patent: 4127929 (1978-12-01), Zapara
Lundquists Monterbara Trakonstruktioner; Brunkerbergstorg 9, Stockholm, 1949; 108/111.
Anderson Gerald A.
Dorner Kenneth J.
Jaskiewicz Edmund M.
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