Supports: cabinet structure – With movable components – Horizontally movable
Patent
1998-09-17
2000-08-01
Cuomo, Peter M.
Supports: cabinet structure
With movable components
Horizontally movable
31233428, A47B 8804
Patent
active
060956267
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to a subsurface pullout guide for drawers or the like, which are supported in the carcass of a cupboard, wardrobe or cabinet and can be pulled out. The guiding rail of the pullout guide, constructed as a profiled rail and fastened to the wall of the carcass, engages from below the associated running rail, which is formed by a hollow profiled rail open at the underside and disposed in the region of the bottom of the drawer or the underside of the side wall of the drawer. In the interior of the running rail, the pullout guide forms rolling surfaces for rolling bodies, which are held in an elongated cage and are capable of rolling along transporting paths of the guiding rails on the one hand and on transporting paths formed by assigned regions of the inner surface of the running rail on the other and thus enable the running rail to be displaced longitudinally relative to the guiding rail.
Because of the plurality of rolling bodies in the form of balls and/or rollers, which can be displaced spatially not only in the pullout direction but also at right angles thereto, drawer pullout guides of the type in question here have the advantage not only of running easily and being able to carry high loads but also of having a high transverse stability when fully pulled out, so that a drawer, supported by means of them in the carcass of a cupboard, wardrobe or cabinet, even when pulled out completely, has no noticeable play in the horizontal transverse direction. For this reason, such pullout guides are used to an increasing extent for supporting drawers in high quality furniture. It is also advantageous in this connection to have the possibility of constructing the hollow profile, used for the running rail, with a low overall height, so that the running rail, in the so-called "subsurface arrangement", can be disposed within the side wall at the underside of the bottom of a drawer directly next to the side wall protruding downwards slightly beyond the bottom, if the side walls of the drawer are formed by hollow metal or plastic profiles, which are open at the underside. By these means, it is possible to enlarge the width of the drawer in comparison to the roller pullout guides, which must be disposed between the outside of the side wall of the drawer and the facing interior side of the supporting wall of the carcass. The cage, which holds the rolling bodies between the guide and the running rail and fixes the mutual distance between them and which is usually constructed from plastic, requires the travel of the pullout guides in question to be limited to a path, which is shorter than the depth of the associated drawer, so that the rear wall of the completely pulled-out drawer is still within the associated carcass of the cupboard, wardrobe or cabinet by the dimensions of the cage, that is, the pullout guides of the type in question here are so-called "partial pullouts". Especially when the drawer is low in height and very deep, the rear region of the drawer, which still lies within the carcass of the cupboard, wardrobe or cabinet in the pulled-out state, can then not be inspected easily and is not very accessible. It would therefore be desirable to construct the pullout guides also so that they can be pulled out completely; the associated drawer could then be pulled so far out of the carcass of the cupboard, wardrobe or cabinet, that its rear wall is flush with the front surface of the carcass of the cupboard, wardrobe or cabinet. Any such guides of the type under consideration here, which can be pulled out completely and are available, are obtained practically as a combination of two simple pullouts into so-called "double pullouts". For roller pullout guides, for which the overall height is of little importance, because the total height of the side wall of the drawer is available, such "double pullouts" are used on a large scale. On the other hand, in the case of the roller body-supported pullout guides, which are in question here and can be used in subsurface arrangeme
REFERENCES:
patent: 3836223 (1974-09-01), Signore
patent: 4728200 (1988-03-01), Rock
patent: 4779999 (1988-10-01), Lautenschlager
Anderson Jerry A.
Cuomo Peter M.
MEPLA-Werke Lautenschlager GmbH & Co. KG
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