US20150002008A1 - Carcass rail for a guiding device, guiding apparatus, item of furniture and method for producing a carcass rail - Google Patents
Carcass rail for a guiding device, guiding apparatus, item of furniture and method for producing a carcass rail Download PDFInfo
- Publication number
- US20150002008A1 US20150002008A1 US14/028,656 US201314028656A US2015002008A1 US 20150002008 A1 US20150002008 A1 US 20150002008A1 US 201314028656 A US201314028656 A US 201314028656A US 2015002008 A1 US2015002008 A1 US 2015002008A1
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- US
- United States
- Prior art keywords
- carcass rail
- carcass
- mounting strap
- furniture
- profile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000005452 bending Methods 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims description 83
- 239000000463 material Substances 0.000 description 14
- 230000008901 benefit Effects 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 210000002105 tongue Anatomy 0.000 description 5
- 238000005336 cracking Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- A47B88/04—
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
-
- A47B88/0422—
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/423—Fastening devices for slides or guides
- A47B88/43—Fastening devices for slides or guides at cabinet side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/16—Folding; Pleating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/36—Making other particular articles clips, clamps, or like fastening or attaching devices, e.g. for electric installation
Definitions
- the invention relates to a carcass rail for a guiding apparatus and to a guiding apparatus, an item of furniture and a method for producing a carcass rail.
- carcass rails are known in the area of furniture construction.
- a component part for example of a guiding unit of a guiding apparatus for a movable furniture part such as, for example, a drawer
- they are generally realized for mounting on a furniture carcass in order to mount the movable furniture part there in a predetermined position so as to be displaceable.
- one of the functions of the carcass rail is to transmit different force actions onto one or several mounting positions at which the carcass rail is fixedly mounted with a furniture carcass.
- the carcass rail is to be comparatively space-saving and is to have relatively little impact on the appearance of an item of furniture, in particular of the furniture carcass.
- a known design of carcass rails includes, for example, a profile rail, produced for example from sheet metal, and one or several mounting brackets which are connected to the profile rail.
- designs are known both where a mounting bracket is rigidly connected to a profile rail and such where different positions of a profile rail can be adjusted on a mounting bracket.
- Such designs can be linked to a comparatively high level of expenditure on production and to a requirement for a large amount of material.
- the object of the present invention is to provide a carcass rail which is improved for an efficient and cost-efficient production of items of furniture which have a movable furniture part.
- the invention proceeds from a carcass rail for a guiding apparatus, by way of which a movable furniture part during opening and/or closing is guidable on a furniture carcass of an item of furniture.
- the carcass rail is provided with a cross sectional profile which has several even profile portions which extend along a longitudinal axis of the carcass rail, wherein in each case two of the profile portions are connected together by means of a bending edge which extends along the longitudinal axis.
- a first of the profile portions is a side portion of the cross sectional profile which in the mounted state is provided for arrangement on a side wall portion in the furniture carcass.
- the core of the invention is that at least one free-standing mounting strap for an assembly on a side wall portion of the furniture carcass is realized on the first profile portion, said mounting strap being connected integrally and continuously on the one side to the remaining carcass rail, in particular to the first profile portion, and extending over a part portion of the longitudinal axis of the carcass rail.
- several mounting straps, separated from one another, can also be realized standing freely and extending over a part portion of the carcass rail, each of which is connected together integrally and on one side with the remaining carcass rail and in particular with first profile portion.
- the integral connecting between the mounting strap and the remaining carcass rail presents the advantage that at least one region of the carcass rail, which is provided for mounting the carcass rail on the furniture carcass, for example using fastening elements, is connected to the remaining carcass rail by a homogeneous material connection.
- the mounting strap and the remaining carcass rail are connected in a comparatively reliable manner, hardly any or absolutely no movement play being able to be formed at the connection as at a connection with adjoining boundary faces, for example at a screw-type connection or at, for example, a rivet connection.
- the advantage of the integral connection compared to a weld connection is that there is hardly any or there is no creation of thermally loaded points which differ from the surrounding material by means of changed material characteristics such as, for example, elasticity or ductility. Consequently, even the risk of a connection between a carcass rail and a mounting element mounted thereon rupturing is avoided on the carcass rail according to the invention.
- the carcass rail and in particular part of the mounting means can be realized advantageously in a space-saving manner because the placing in position and connecting of additional material for a mounting element such as, for example, a mounting bracket is no longer required.
- the use of material can be adapted in a comparatively better manner to a load-bearing capacity striven for by using a free-standing mounting strap which extends over a part portion of the longitudinal axis of the carcass rail.
- the mounting strap and the connection thereof to the remaining carcass rail can be restricted to a surface, the size of which is sufficient to avoid cracking and breaking off at the mounting means, for example at a hole or similar openings, under predetermined loads.
- the free-standing mounting strap provides the advantage that mounting means, which are arranged on the mounting strap, can be comparatively easy to reach during assembly or disassembly and can be positioned so as to be easily seen on the carcass rail.
- the mounting strap is preferably realized protruding beyond an outer contour or a portion of an outer contour of the remaining carcass rail.
- the mounting strap is preferably realized so as to stand out freely from a top edge of the first profile portion.
- the mounting strap is bent off together with the first profile portion on a bending edge of a second profile portion.
- the mounting strap can project advantageously beyond further profile portions of the carcass rail and, where applicable, even beyond further rails which are mounted displaceably on the carcass rail, in particular in the case of assembly on a carcass of an item of furniture.
- the mounting strap can be connected to the remaining carcass rail, in particular to the first profile portion, by means of at least one bending edge. Consequently, it is achievable, for example, that once the mounting strap has been mounted on the furniture carcass, the first profile portion is arranged standing out from a surface of the furniture carcass at a predefined angle.
- one or several bending edges and connecting portions lying therebetween can be provided for the purpose of arranging the first profile portion at a predefined spacing from the furniture carcass.
- a preferred design of the invention is that the mounting strap is arranged on a laterally protruding region of a center profile portion, hereafter called the center portion, of the carcass rail.
- a center portion connects profile portions of the carcass rail, between which the center portion is arranged and which are connected together by the center portion.
- the center portion is arranged, in particular, between side portions.
- the widened center portion, in conjunction with the mounting strap can form a mounting bracket which is continuously integral with the carcass rail and holds the remaining carcass rail at a predefined spacing from an inside surface of the furniture carcass.
- a pull-out rail for example can be arranged at such a spacing from a, for example, side wall that, for example, a bottom of a drawer rests on the pull-out rail and can be supported by the same.
- the mounting strap is realized over a part portion, i.e. part of an overall length, of the carcass rail along the longitudinal axis of the same and not over its overall length.
- the mounting strap and correspondingly the part portion can, for example, be extended over more than half the overall length of the carcass rail.
- the mounting strap is preferably extended over a maximum of half the length of the carcass rail along the longitudinal axis.
- the mounting strap is realized over less than half, preferably over less than a third, in a particularly preferred manner over less than a quarter and where applicable over a tenth or less of the overall length of the carcass rail over a correspondingly long part portion.
- a length of the part portion for the mounting strap can be determined by, for example, one single element of the mounting means being realized on the mounting strap with a predetermined load-bearing capacity.
- the mounting strap extends over less than half of the overall length of the carcass rail, in particular of the first profile portion, several mounting straps can be provided in an advantageous manner.
- the carcass rail is comparatively light and space-saving. Furthermore, it can be produced, where applicable, with an advantageously small amount of material scrap.
- a preferred design of the carcass rail provides that, with reference to the longitudinal axis, the mounting strap is realized in a front end region of the carcass rail which is provided for arrangement in the front region of the furniture carcass.
- the mounting strap is realized in a front end region of the carcass rail which is provided for arrangement in the front region of the furniture carcass.
- a dimension of the mounting strap can be restricted to, for example, a predetermined material thickness, in particular of a metal sheet, from which the carcass rail is produced.
- a mounting device e.g.
- the mounting device is preferably integrally formed on the carcass rail.
- the mounting strap can be arranged plane-parallel to one of the profile portions, in particular to a further side portion.
- an arrangement of the carcass rail in the course of assembly on the furniture carcass can be advantageously checked in a comparatively simple manner by way of the mounting strap.
- the mounting strap is realized in particular on a top edge of the first profile portion, a concentration of carrying forces on a comparatively narrowly defined region of the carcass rail and distortions of the carcass rail produced as a result can be avoided in an advantageous manner.
- Reinforcement is preferably realized on the mounting strap and/or on the first profile portion, in particular in the part portion of the longitudinal axis of the carcass rail.
- the profile portion which is continuously connected to the mounting strap can have a channel-like arch which extends transversely, in particular at right angles to the longitudinal axis of the carcass rail.
- the reinforcement preferably extends from the first profile portion as far as into a further profile portion by way of which the first profile portion is connected to a bending edge.
- the bending edge is preferably interrupted by the arch.
- the reinforcement, in particular the channel-shaped arch can extend as far as into the mounting strap.
- the carcass rail can be reinforced on the part portion in such a manner that carrying forces are distributed comparatively favorably onto the remaining carcass rail and that a concentration of stresses in the material of the carcass rail is avoidable.
- force distribution is easier to calculate, as a result of which the use of material and the design of a reinforcement on the carcass rail according to the invention can be designed in a comparatively more efficient manner.
- the reinforcement in the part portion in the vicinity of the mounting strap can also be realized by an additionally mounted reinforcement element which, for example, is welded-on or, for example, riveted-on in the part portion, in particular on a bending edge.
- At least one mounting element for example a hole for screw-fastening, is preferably realized on the mounting strap.
- the mounting element can, for example, be a hole, an elongated hole, a dowel, a journal, a threaded journal or, a hook.
- the mounting strap can also have several mounting elements and, where applicable, different mounting elements.
- an offset and a bend it is preferred for one of an offset and a bend to be realized on a connection between the mounting strap and the remaining carcass rail.
- a bend can be realized between the mounting strap and the first profile portion.
- a connection between the mounting strap and the remaining carcass rail can be realized in a reinforced and comparatively more solid manner in order to achieve an advantageously uniform distribution of carrying forces between the mounting strap and the remaining carcass rail.
- a bend can be pulled in a linear manner along one or several edges, the rectilinear bend preferably being realized beyond a connection point at which a boundary edge of a profile portion and a boundary edge of the mounting position meet one another.
- a guiding apparatus with a carcass rail according to the invention in particular according to one or several of the aforementioned designs can be constructed in a comparatively space-saving and light manner.
- An item of furniture with a carcass rail according to the invention consequently enables improved use of space in particular in the furniture carcass, as a result of which comparatively more stowing space for example in movable furniture parts such as, for example, a drawer can be provided.
- guiding of the movable furniture part can be realized in an unobtrusive manner as regards the appearance of the item of furniture according to the invention.
- a further object of the invention consists in a method for producing a carcass rail, where a sheet metal plate, from which the carcass rail is formed, is separated out from a metal sheet.
- the mounting strap is bent off from a sheet portion from which a profile portion of the carcass rail is realized.
- the mounting strap can be bent off together with the first profile portion from the sheet portion for a profile portion in order to realize the mounting strap and the first profile portion, for example, plane-parallel with respect to one another.
- the number of bending edges can be kept comparatively small in order to produce the carcass rail in an advantageously simpler manner.
- the sheet metal plate is realized with an outline which includes a preferably rectangular base portion for realizing profile portions of the carcass rail.
- a rectangular surface for the base portion can be inscribed into the outline of the sheet metal plate.
- the long sides of the rectangular base portion can be realized, in particular separated out from a metal sheet, according to a length specification for the carcass rail.
- the rectangular base portion is separated out from a metal sheet with a tongue-shaped projection, the tongue-shaped projection standing out in a free standing manner from a side edge in particular on a long side of the rectangular base portion.
- the sheet metal plate can be separated out from a metal sheet with a, for example, L-shaped outline.
- the sheet metal plate can be separated out from a metal sheet with a, for example, F-shaped outline.
- a carcass rail with more than two mounting straps is separated out from a metal sheet with a corresponding number of projections which protrude laterally in a tongue-shaped manner on one side of a rectangular basic form.
- a particularly preferred design of the invention provides that between the side projections, which protrude on a side edge of a rectangle which is inscribed into the outline of a first sheet metal plate for a first carcass rail, intermediate spaces are realized into which at least part of the tongue-shaped projections of a second sheet metal plate can extend for a second carcass rail.
- the separating forms of two sheet metal plates are arranged in such a manner that the outlines of the sheet metal plates lie rotated with respect to one another by an angle of 180′ in a plane of the metal sheet in order to reduce material scrap with a material-saving design of the carcass rail.
- the separating form can be realized on a tool of a, for example, stamping press.
- the separating form can be predefined, in particular programmed, as a tool path of a cutting tool, for example of an X-ray head of a laser cutting device.
- the sheet metal plate can be, for example, punched from a metal sheet or can be cut out by laser cutters and, in particular, milling machines.
- the sheet metal plate is preferably produced from steel plate.
- the sheet metal plate is separated out of a metal sheet with boundary edges arranged at right angles with respect to one another. Protruding and pulled-in corners are preferably rounded on the outline of the sheet metal plate in order to reduce the risk of cracking and rupture on the carcass rail under load.
- FIG. 1 shows a schematic side view of an item of furniture according to the invention
- FIG. 2 shows a schematic view in perspective of a carcass rail according to the invention from a side, rear viewpoint
- FIG. 3 shows a schematic front view of a cross section at right angles to a longitudinal axis of a carcass rail according to the invention in the region of the mounting portion;
- FIG. 4 a shows a schematic front view of a cross section at right angles to a longitudinal axis of a guiding apparatus according to the invention
- FIG. 4 b shows a schematic front view of a cross section at right angles to a longitudinal axis of a guiding apparatus according to the invention
- FIG. 5 shows a schematic view in perspective of a carcass rail according to the invention
- FIG. 6 shows a schematic top view of a metal sheet with two sheet metal plates
- FIG. 7 shows a schematic top view of a metal sheet with two sheet metal plates
- FIG. 8 shows a schematic view in perspective of a carcass rail according to the invention.
- FIG. 9 shows a schematic top view of two sheet metal plates.
- FIG. 1 shows a design of an item of furniture 1 according to the invention which is provided with two movable furniture parts (drawers 3 ).
- the drawers 3 are mounted on a furniture carcass 2 with guiding units 4 according to the invention and are movably mounted for pulling-out and pushing-in by means of the guiding units 4 .
- the furniture carcass 2 is shown in FIG. 1 without a side wall on the front side in order to show the arrangement of the drawers 3 and of the guiding units 4 in the furniture carcass 2 .
- Each drawer 3 is mounted on the furniture carcass 2 with two guiding units 4 , in each case a non-visible guiding unit being mounted on a side wall 39 .
- Each guiding unit 4 includes a carcass rail 5 according to the invention, an intermediate rail 6 as well as a load rail 7 .
- the load rail 7 can be mounted on the bottom or side of the drawer 3 .
- the carcass rail 5 is realized for mounting on a right-hand side wall (not shown). In this case, the carcass rail, in the mounted state, abuts against the side wall by way of a side profile portion 8 and a mounting strap 12 , the mounting strap 12 being realized with mounting means for assembly.
- FIG. 2 shows an exemplary embodiment for a carcass rail 5 according to the invention which can be inserted, for example, on the item of furniture 1 shown in FIG. 1 .
- a cross section of the carcass rail 5 is shown in FIG. 3 .
- a guiding apparatus in particular a cross section of a left-hand guiding unit 4 —a right-hand guiding unit mirrored on a perpendicular plane is not shown—is shown with an intermediate rail 6 , a load rail 7 and rolling element cages 16 arranged between the rails 5 , 6 , 7 in FIG. 4 a.
- the carcass rail 5 is preferably produced from a metal sheet, preferably sheet steel.
- the carcass rail 5 has several profile portions 8 , 9 , 10 and 11 which can all be realized, for example, over an overall length L of the carcass rail in the longitudinal direction of a front boundary edge 26 as far as up to a rear boundary edge 27 .
- the profile portions 8 , 9 , 10 , 11 are continuously connected together on bending edges 17 , 18 and 19 and are bent off with respect to one another, in particular at right angles.
- the bending edges 17 , 18 and 19 extend preferably parallel to a longitudinal axis of the carcass rail 5 . Of the bending edges at least one extends preferably at least over the overall length L of the carcass rail.
- the bending edges 17 , 18 and 19 provide a considerable contribution to strength and sturdiness, it is preferred when the majority of them and in particular all of them are realized extending at least over a large part of the overall length L of the carcass rail 5 . In the design shown, all the bending edges 17 , 18 , 19 and the profile portions 8 , 9 , 10 , 11 extend from a front boundary edge 26 as far as up to a rear boundary edge 27 .
- the side profile portion 8 is provided for the purpose of abutting against an even surface of a side wall 39 once the carcass rail 5 has been mounted in the furniture carcass 2 .
- the side profile portion 8 is connected to a center profile portion 9 at right angles by means of the bending edge 17 .
- the center profile portion 9 and the profile portion 10 are connected together by means of a further bending edge 18 .
- the center profile portion 9 is provided for the purpose of supporting the profile portions 10 and 11 and for keeping them at a horizontal spacing, which is predefined by the spacing between the bending edges 17 and 18 , from the side profile portion 8 and, after assembly, from a side wall 39 of a furniture carcass 2 .
- the profile portion 10 forms together with the profile portion 11 a region of the carcass rail 5 which is provided for a displaceable bearing arrangement of an intermediate rail 6 and a pull-out rail (load rail 7 ).
- Surface regions 11 a , 11 b on the profile portion 11 and where applicable also surface regions 10 a , 10 b on the profile portion 10 are preferably provided as running surfaces for the roller element cages 16 , in particular for roller elements includes therein (not shown) and can be processed for this purpose, for example, smoothed or, for example, provided with a thread (not shown).
- a mounting strap 12 is realized on the side profile portion 8 in a front part portion C of the carcass rail 5 which reaches to the front boundary edge 26 .
- the mounting strap 12 is realized from a metal sheet portion which is connected continuously and integrally to the side profile portion 8 and projects over a top boundary edge 24 of the side profile portion 8 and, in this case, extends as far as up to a top edge 28 of the mounting strap 12 .
- the mounting strap 12 is free-standing, it being defined in the direction of the longitudinal axis of the carcass rail by an upwardly-projecting piece of the front boundary edge 26 of the carcass rail and laterally by a boundary edge 29 which connects the top boundary edge 28 of the mounting strap 12 with the top boundary edge 24 of the side profile portion 8 .
- Two bends 22 and 23 which are realized as offset steps which extend in opposite directions, are realized on the mounting strap 12 parallel to the longitudinal axis of the carcass rail.
- the mounting strap is arranged offset inwardly toward the profile portion 10 in the region of the mounting means 15 by a spacing in the order of magnitude of a material thickness, in particular plate thickness, the mounting strap 12 being arranged in the region of the mounting means 15 plane-parallel to the first profile portion 8 .
- the mounting strap can be, in particular, elastically sagged in the region of the mounting means, for example the holes 15 , as a result of which fastening forces are initially transmittable only by means of pressing on the step-shaped bends 22 and 23 and, where applicable, also by the profile portion of the carcass rail 5 abutting onto a side wall 39 of a furniture carcass 2 .
- the fastening of the carcass rail 5 with the furniture carcass 2 as a result can be somewhat flexible in order, for example, to avoid a break-out of fastening means such as, for example, a screw (not shown) or, for example, a dowel (not shown).
- the mounting strap 12 is reinforced by the bends 22 and 23 in such manner that a comparatively favorable distribution of mounting and carrying forces onto the mounting strap 12 and onto the first profile portion 8 is achievable.
- connection of the mounting strap 12 and of the first profile portion 8 to the center profile portion 9 is provided with a channel-shaped arch 13 , by means of which the connection between the profile portions over the bending edge is reinforced.
- increased loadability of the carcass rail, in particular in the region of the bending edge 17 can be achieved in a advantageous manner in order to prevent or at least to reduce the bending edge bending under admissible loads.
- the mounting strap has mounting means in the form of several holes 15 which are provided for mounting with, for example, screws and, for example, dowels.
- mounting means can also be realized in the form of engagements for, for example, fastening hooks and the like.
- the mounting means can also include, for example, a hook which is punched out on the mounting strap.
- the profile portion 8 extends over a large part of the length of the carcass rail 5 up to a height A, whilst the mounting strap 12 projects beyond the height A as far as up to the top boundary edge 28 .
- the mounting means 15 of the mounting strap 12 are arranged advantageously above the profile portions 10 and 11 , as a result of which the mounting means 15 are arranged so as to be comparatively easy to see during mounting of the carcass rail 5 on the furniture carcass 2 and so as to be easily reachable for a tool (not shown).
- a guiding unit 4 assembled with all the rails 5 , 6 and 7 can also be mounted in the furniture carcass 2 by way of the carcass rail 5 with comparatively little expenditure.
- an upper portion of the side profile portion 8 connects to the mounting strap via bend 22 .
- the mounting strap 12 is connected to center profile portion 9 on edge 20 and side portion profile 8 is positioned between the mounting strap 12 and center profile portion 9 on edge 21 , as shown in FIG. 4 b .
- At least one of side profile portion 8 and mounting strap 12 can be continuously connected to center profile portion 9 .
- the mounting strap 12 also extends above the side profile portion so that at least a part of the mounting means is above the height B, as shown in FIG. 4 b.
- the mounting strap is provided in particular for receiving carrying forces which act on the front rail portion, in particular the part portion C.
- a recess 14 which is adapted, for example, to a mounting adapter (not shown) which is provided for mounting on one of a rear region of a furniture carcass 2 , a rear wall and, a cross strip 38 , is realized on the center profile portion 9 according to FIG. 2 .
- the recess 14 is realized on the center profile portion 9 as a rectangular slot which extends in the longitudinal direction of the carcass rail 5 and is open on the rear boundary edge 27 .
- the profile portion 9 is guidable at the recess 14 in correspondingly adapted grooves (not shown) of, for example, a mounting adapter, by way of which the rear end of the carcass rail can be mounted, in particular, in a floating manner.
- a mounting adapter by way of which the rear end of the carcass rail can be mounted, in particular, in a floating manner.
- FIG. 5 shows a third exemplary embodiment for a carcass rail 5 according to the invention.
- the carcass rail 5 provides a simplified design of the design shown in FIGS. 2 , 3 and 4 a , all structural features of the carcass rail 5 also being present in the exemplary embodiment in FIG. 2 and being already described in this connection.
- FIG. 6 shows a metal sheet 30 on which boundary edges 24 , 25 , 26 , 27 , and 28 of two outlines of two sheet metal plates 31 and 32 are drawn. Consequently, the boundary edges 24 , 25 , 26 , 27 and 28 on the metal sheet 30 in FIG. 6 represent a metal sheet development of two carcass rails 5 .
- the boundary edges 24 , 25 , 26 , 27 , 28 of the two sheet metal plates are preferably arranged in such a manner that in particular between the two sheet metal plates 31 and 32 no region of the metal sheet 30 remains unutilized. Consequently, the L-shaped outlines of the two sheet metal plates 31 and 32 are arranged rotated with respect to one another by 180° in a plane parallel to the metal sheet. In this case, the two boundary edges 24 of the two metal sheets 31 and 32 are moved to coincide with one another. In addition, in each case the boundary edge 29 of the one and the boundary edge 27 of the other of the sheet metal plates 31 and 32 are arranged covering one another.
- the two sheet metal plates 31 and 32 are separated out from the metal sheet 30 .
- mounting means in particular in the form of holes 15 , can also be realized out of a sheet metal portion of the sheet metal plates 31 and 32 which is provided as a mounting strap 12 .
- the sheet metal plates 31 and 32 can be, for example, punched or cut out of the metal sheet 30 using one of a milling machine (not shown) and a laser beam (not shown).
- a punch (not shown) is realized in such a manner that consequently the two sheet metal plates 31 and 32 , which have been rotated with respect to one another about 180° and abut against one another, are punched out together from the metal sheet 30 in particular in one operating cycle of a punching apparatus (not shown), the two sheet metal plates 31 and 32 preferably being separated from one another at the same time.
- the positions of bending edges 17 , 18 and 19 are recorded on the metal sheet 30 as interrupted lines.
- the sheet metal plates 31 , 32 are bent at the bending edges 17 , 18 and 19 .
- the bending edges 17 , 18 , 19 can be realized by press braking and, for example, by rolling, in particular cold rolling.
- the mounting strap 12 is bent off from a profile portion 9 in the case of each of the metal sheet parts.
- the mounting strap 12 is bent off from the profile portion 9 together with a first profile portion 8 , as a result of which the mounting strap 12 is realized so as to be protruding upward and standing freely from a height A of a top boundary edge 24 of the profile portion 8 .
- FIG. 7 shows a metal sheet 30 with sheet metal plates 31 and 32 for a fourth exemplary design of a carcass rail 5 according to the invention.
- the sheet metal plates 31 and 32 differ from the designs shown in FIG. 6 in that, in the case of the two sheet metal plates 31 and 32 , on a side profile portion 8 close to a first sheet tongue on the front boundary edge 26 , which is realized to form a mounting strap 12 , in each case a second sheet tongue is realized for a second mounting strap 34 .
- the sheet tongues for the mounting straps 12 and 34 are arranged on the sheet metal plates 31 and 32 in such a manner that the sheet metal plates 31 and 32 , which are rotated with respect to one another by 180°, can be arranged interlocking with the sheet tongues.
- remaining regions 33 of the metal sheet 30 can remain unutilized in order to form, for example, the two mounting straps 12 and 34 in a comparatively space-saving manner.
- the sheet tongues for the mounting straps 12 and 34 are connected homogeneously to the profile portion. Once the sheet metal plates 31 and 32 have been separated off, the mounting straps 12 and 34 are bent off together with the profile portion 8 at a bending edge 17 of a profile portion 9 .
- FIGS. 8 and 9 show a fifth exemplary embodiment of the invention.
- a carcass rail 5 according to the invention also has profile portions 10 and 11 which are bent off at bending edges 18 and 19 in a similar manner as realized in the exemplary embodiments described beforehand.
- the center profile portion 9 is widened in a part portion C, as a result of which the profile portion is defined on one side of two separated side profile portions 8 and 40 .
- the side profile portion 40 is connected to the center profile portion 9 by means of a bending edge 41 .
- a mounting strap 12 with mounting means in the form of several holes 15 is realized on the side profile portion 8 above a height A.
- the height A preferably lies above the profile portions 10 and 11 .
- the side profile portion 8 and the mounting strap 12 are bent off together from the center profile portion 9 at a bending edge 17 , as a result of which the mounting strap is moved into a free-standing position and is connected integrally to the remaining carcass rail 5 .
- the profile portion is realized in portions as a free-standing supporting arm, by way of which the rail region with the side profile portion 40 can be mounted, for example, at a predetermined spacing from a, for example, side wall 39 of a furniture carcass 2 .
- FIG. 9 shows two sheet metal plates 31 and 32 which are arranged abutting against one another in such a manner that together they form an outline of a rectangular surface.
- the sheet metal plates are cut in order to realize boundary edges 37 a , 37 b and 37 c on each of the sheet metal plates.
- the two bending edges 17 and 41 which are offset with respect to one another and on which the side profile portion 8 with the mounting strap 12 and the side profile portion 40 can be bent off separately from one another, can be realized on the center-profile portion 9 .
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Abstract
A carcass rail for a guiding device, by way of which a movable furniture part during opening and/or closing is guidable on a furniture carcass of an item of furniture. The carcass rail has a cross sectional profile including several even profile portions extending along a longitudinal axis of the carcass rail, wherein at least two of the profile portions are connected by means of a bending edge which extends along the longitudinal axis. A side profile portion of the cross sectional profile is mounted on a side wall portion in the furniture carcass. At least one free-standing mounting strap for connecting to the side wall portion of the furniture carcass is connected integrally and continuously to the side profile portion and extends over a portion of the longitudinal axis of the carcass rail. In addition, a method for producing the carcass rail is disclosed.
Description
- This application claims the benefit under 35 USC §119(a)-(d) of German Application No. 10 2013 010 577.3 filed Jun. 26, 2013, the entirety of which is incorporated herein by reference.
- The invention relates to a carcass rail for a guiding apparatus and to a guiding apparatus, an item of furniture and a method for producing a carcass rail.
- The most varied designs of carcass rails are known in the area of furniture construction. As a component part, for example of a guiding unit of a guiding apparatus for a movable furniture part such as, for example, a drawer, they are generally realized for mounting on a furniture carcass in order to mount the movable furniture part there in a predetermined position so as to be displaceable. In this case, one of the functions of the carcass rail is to transmit different force actions onto one or several mounting positions at which the carcass rail is fixedly mounted with a furniture carcass. On the one hand, it is desired in this connection that the carcass rail is deformed as little as possible when there are changes in the force action. On the other hand, the carcass rail is to be comparatively space-saving and is to have relatively little impact on the appearance of an item of furniture, in particular of the furniture carcass.
- A known design of carcass rails includes, for example, a profile rail, produced for example from sheet metal, and one or several mounting brackets which are connected to the profile rail. In this case, designs are known both where a mounting bracket is rigidly connected to a profile rail and such where different positions of a profile rail can be adjusted on a mounting bracket. Such designs can be linked to a comparatively high level of expenditure on production and to a requirement for a large amount of material.
- The object of the present invention is to provide a carcass rail which is improved for an efficient and cost-efficient production of items of furniture which have a movable furniture part.
- The invention proceeds from a carcass rail for a guiding apparatus, by way of which a movable furniture part during opening and/or closing is guidable on a furniture carcass of an item of furniture. The carcass rail is provided with a cross sectional profile which has several even profile portions which extend along a longitudinal axis of the carcass rail, wherein in each case two of the profile portions are connected together by means of a bending edge which extends along the longitudinal axis. In addition, a first of the profile portions is a side portion of the cross sectional profile which in the mounted state is provided for arrangement on a side wall portion in the furniture carcass.
- The core of the invention is that at least one free-standing mounting strap for an assembly on a side wall portion of the furniture carcass is realized on the first profile portion, said mounting strap being connected integrally and continuously on the one side to the remaining carcass rail, in particular to the first profile portion, and extending over a part portion of the longitudinal axis of the carcass rail. In this case, several mounting straps, separated from one another, can also be realized standing freely and extending over a part portion of the carcass rail, each of which is connected together integrally and on one side with the remaining carcass rail and in particular with first profile portion.
- The integral connecting between the mounting strap and the remaining carcass rail presents the advantage that at least one region of the carcass rail, which is provided for mounting the carcass rail on the furniture carcass, for example using fastening elements, is connected to the remaining carcass rail by a homogeneous material connection. As a result, the mounting strap and the remaining carcass rail are connected in a comparatively reliable manner, hardly any or absolutely no movement play being able to be formed at the connection as at a connection with adjoining boundary faces, for example at a screw-type connection or at, for example, a rivet connection. The advantage of the integral connection compared to a weld connection is that there is hardly any or there is no creation of thermally loaded points which differ from the surrounding material by means of changed material characteristics such as, for example, elasticity or ductility. Consequently, even the risk of a connection between a carcass rail and a mounting element mounted thereon rupturing is avoided on the carcass rail according to the invention.
- In addition, the carcass rail and in particular part of the mounting means can be realized advantageously in a space-saving manner because the placing in position and connecting of additional material for a mounting element such as, for example, a mounting bracket is no longer required.
- The use of material can be adapted in a comparatively better manner to a load-bearing capacity striven for by using a free-standing mounting strap which extends over a part portion of the longitudinal axis of the carcass rail. Thus, the mounting strap and the connection thereof to the remaining carcass rail can be restricted to a surface, the size of which is sufficient to avoid cracking and breaking off at the mounting means, for example at a hole or similar openings, under predetermined loads. This leads to the further advantage that the carcass rail according to the invention can be produced in a comparatively material-saving manner. Consequently, a comparatively small weight and a reduced space requirement can be achieved, as a result of which a carcass rail according to the invention also offers advantages with reference to packaging and transport.
- The free-standing mounting strap provides the advantage that mounting means, which are arranged on the mounting strap, can be comparatively easy to reach during assembly or disassembly and can be positioned so as to be easily seen on the carcass rail. To this end, the mounting strap is preferably realized protruding beyond an outer contour or a portion of an outer contour of the remaining carcass rail.
- The mounting strap is preferably realized so as to stand out freely from a top edge of the first profile portion. In particular, the mounting strap is bent off together with the first profile portion on a bending edge of a second profile portion. In this way, the mounting strap can project advantageously beyond further profile portions of the carcass rail and, where applicable, even beyond further rails which are mounted displaceably on the carcass rail, in particular in the case of assembly on a carcass of an item of furniture.
- In addition, the mounting strap can be connected to the remaining carcass rail, in particular to the first profile portion, by means of at least one bending edge. Consequently, it is achievable, for example, that once the mounting strap has been mounted on the furniture carcass, the first profile portion is arranged standing out from a surface of the furniture carcass at a predefined angle. In addition, one or several bending edges and connecting portions lying therebetween can be provided for the purpose of arranging the first profile portion at a predefined spacing from the furniture carcass.
- A preferred design of the invention is that the mounting strap is arranged on a laterally protruding region of a center profile portion, hereafter called the center portion, of the carcass rail. A center portion connects profile portions of the carcass rail, between which the center portion is arranged and which are connected together by the center portion. The center portion is arranged, in particular, between side portions. In this case, it is preferred, in particular, for the center portion to be widened in the part portion of the longitudinal axis over which the mounting strap is realized at right angles to the longitudinal axis. The widened center portion, in conjunction with the mounting strap, can form a mounting bracket which is continuously integral with the carcass rail and holds the remaining carcass rail at a predefined spacing from an inside surface of the furniture carcass. As a result, using the carcass rail according to the invention, a pull-out rail, for example can be arranged at such a spacing from a, for example, side wall that, for example, a bottom of a drawer rests on the pull-out rail and can be supported by the same.
- In order to achieve a method of construction that saves material, the mounting strap is realized over a part portion, i.e. part of an overall length, of the carcass rail along the longitudinal axis of the same and not over its overall length. When only one mounting strap is realized connected integrally and continuously on one side on the carcass rail, the mounting strap and correspondingly the part portion can, for example, be extended over more than half the overall length of the carcass rail. The mounting strap is preferably extended over a maximum of half the length of the carcass rail along the longitudinal axis. In particular, the mounting strap is realized over less than half, preferably over less than a third, in a particularly preferred manner over less than a quarter and where applicable over a tenth or less of the overall length of the carcass rail over a correspondingly long part portion. A length of the part portion for the mounting strap can be determined by, for example, one single element of the mounting means being realized on the mounting strap with a predetermined load-bearing capacity. In particular when the mounting strap extends over less than half of the overall length of the carcass rail, in particular of the first profile portion, several mounting straps can be provided in an advantageous manner. As a result, the carcass rail is comparatively light and space-saving. Furthermore, it can be produced, where applicable, with an advantageously small amount of material scrap.
- A preferred design of the carcass rail provides that, with reference to the longitudinal axis, the mounting strap is realized in a front end region of the carcass rail which is provided for arrangement in the front region of the furniture carcass. Through a comparatively space-saving design of the mounting strap, it is possible to mount the carcass rail in the front region of the furniture carcass in an advantageously unobtrusive manner. In this case, a dimension of the mounting strap can be restricted to, for example, a predetermined material thickness, in particular of a metal sheet, from which the carcass rail is produced. To support the carcass rail in a sturdy manner, a mounting device, e.g. in the form of a hole for screw-fastening or in the form of a recess for a, for example, plug-in connection, can be realized in the remaining region of the carcass rail to one side of the part portion for the mounting strap. The mounting device is preferably integrally formed on the carcass rail.
- The mounting strap can be arranged plane-parallel to one of the profile portions, in particular to a further side portion. As a result, an arrangement of the carcass rail in the course of assembly on the furniture carcass can be advantageously checked in a comparatively simple manner by way of the mounting strap. When the mounting strap is realized in particular on a top edge of the first profile portion, a concentration of carrying forces on a comparatively narrowly defined region of the carcass rail and distortions of the carcass rail produced as a result can be avoided in an advantageous manner.
- Reinforcement is preferably realized on the mounting strap and/or on the first profile portion, in particular in the part portion of the longitudinal axis of the carcass rail. For this purpose, the profile portion which is continuously connected to the mounting strap can have a channel-like arch which extends transversely, in particular at right angles to the longitudinal axis of the carcass rail. The reinforcement preferably extends from the first profile portion as far as into a further profile portion by way of which the first profile portion is connected to a bending edge. In this case, the bending edge is preferably interrupted by the arch. Where applicable, the reinforcement, in particular the channel-shaped arch, can extend as far as into the mounting strap. Through the channel-like arch, the carcass rail can be reinforced on the part portion in such a manner that carrying forces are distributed comparatively favorably onto the remaining carcass rail and that a concentration of stresses in the material of the carcass rail is avoidable. Through the integral design of the mounting strap on the carcass rail, force distribution is easier to calculate, as a result of which the use of material and the design of a reinforcement on the carcass rail according to the invention can be designed in a comparatively more efficient manner. The reinforcement in the part portion in the vicinity of the mounting strap can also be realized by an additionally mounted reinforcement element which, for example, is welded-on or, for example, riveted-on in the part portion, in particular on a bending edge.
- At least one mounting element, for example a hole for screw-fastening, is preferably realized on the mounting strap. The mounting element can, for example, be a hole, an elongated hole, a dowel, a journal, a threaded journal or, a hook. In this case, the mounting strap can also have several mounting elements and, where applicable, different mounting elements.
- In addition, it is preferred for one of an offset and a bend to be realized on a connection between the mounting strap and the remaining carcass rail. In particular, a bend can be realized between the mounting strap and the first profile portion. As a result, a connection between the mounting strap and the remaining carcass rail can be realized in a reinforced and comparatively more solid manner in order to achieve an advantageously uniform distribution of carrying forces between the mounting strap and the remaining carcass rail. In order to reduce a risk of cracking or rupture on the one-sided and integral connection between the free-standing mounting strap and the remaining carcass rail, a bend can be pulled in a linear manner along one or several edges, the rectilinear bend preferably being realized beyond a connection point at which a boundary edge of a profile portion and a boundary edge of the mounting position meet one another.
- A guiding apparatus with a carcass rail according to the invention, in particular according to one or several of the aforementioned designs can be constructed in a comparatively space-saving and light manner. An item of furniture with a carcass rail according to the invention consequently enables improved use of space in particular in the furniture carcass, as a result of which comparatively more stowing space for example in movable furniture parts such as, for example, a drawer can be provided. In this case, guiding of the movable furniture part can be realized in an unobtrusive manner as regards the appearance of the item of furniture according to the invention.
- A further object of the invention consists in a method for producing a carcass rail, where a sheet metal plate, from which the carcass rail is formed, is separated out from a metal sheet. For the method, in this case, it is essential that the mounting strap is bent off from a sheet portion from which a profile portion of the carcass rail is realized. In this connection, the mounting strap can be bent off together with the first profile portion from the sheet portion for a profile portion in order to realize the mounting strap and the first profile portion, for example, plane-parallel with respect to one another. As a result, the number of bending edges can be kept comparatively small in order to produce the carcass rail in an advantageously simpler manner.
- The sheet metal plate is realized with an outline which includes a preferably rectangular base portion for realizing profile portions of the carcass rail. In this case, a rectangular surface for the base portion can be inscribed into the outline of the sheet metal plate. The long sides of the rectangular base portion can be realized, in particular separated out from a metal sheet, according to a length specification for the carcass rail. The rectangular base portion is separated out from a metal sheet with a tongue-shaped projection, the tongue-shaped projection standing out in a free standing manner from a side edge in particular on a long side of the rectangular base portion.
- The sheet metal plate can be separated out from a metal sheet with a, for example, L-shaped outline. In order to produce a carcass rail with several, in particular two free-standing mounting straps, the sheet metal plate can be separated out from a metal sheet with a, for example, F-shaped outline. A carcass rail with more than two mounting straps is separated out from a metal sheet with a corresponding number of projections which protrude laterally in a tongue-shaped manner on one side of a rectangular basic form.
- A particularly preferred design of the invention provides that between the side projections, which protrude on a side edge of a rectangle which is inscribed into the outline of a first sheet metal plate for a first carcass rail, intermediate spaces are realized into which at least part of the tongue-shaped projections of a second sheet metal plate can extend for a second carcass rail. As a result, during the separating out process the separating forms of two sheet metal plates are arranged in such a manner that the outlines of the sheet metal plates lie rotated with respect to one another by an angle of 180′ in a plane of the metal sheet in order to reduce material scrap with a material-saving design of the carcass rail.
- The separating form can be realized on a tool of a, for example, stamping press. In addition, the separating form can be predefined, in particular programmed, as a tool path of a cutting tool, for example of an X-ray head of a laser cutting device.
- In order to develop the production of the carcass rail according to the invention in a rational manner, out of one metal sheet two interlocking sheet metal plates as rough forms for two carcass rails are separated out in particular in one production step. Outlines of two sheet metal plates are preferably arranged in such a manner that on the separating form at least one common separating line is realized between both sheet metal plates, on which separating line the outlines of the two sheet metal plates cover one another. The two sheet metal plates are preferably separated from one another at a continuous common separating line.
- For separating out, the sheet metal plate can be, for example, punched from a metal sheet or can be cut out by laser cutters and, in particular, milling machines.
- In this case, the sheet metal plate is preferably produced from steel plate.
- For comparatively simple production, the sheet metal plate is separated out of a metal sheet with boundary edges arranged at right angles with respect to one another. Protruding and pulled-in corners are preferably rounded on the outline of the sheet metal plate in order to reduce the risk of cracking and rupture on the carcass rail under load.
- The invention is explained below by way of several exemplary embodiments which are described by way of drawings. The exemplary embodiments are shown not true to scale in the drawings.
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FIG. 1 shows a schematic side view of an item of furniture according to the invention; -
FIG. 2 shows a schematic view in perspective of a carcass rail according to the invention from a side, rear viewpoint; -
FIG. 3 shows a schematic front view of a cross section at right angles to a longitudinal axis of a carcass rail according to the invention in the region of the mounting portion; -
FIG. 4 a shows a schematic front view of a cross section at right angles to a longitudinal axis of a guiding apparatus according to the invention; -
FIG. 4 b shows a schematic front view of a cross section at right angles to a longitudinal axis of a guiding apparatus according to the invention; -
FIG. 5 shows a schematic view in perspective of a carcass rail according to the invention; -
FIG. 6 shows a schematic top view of a metal sheet with two sheet metal plates; -
FIG. 7 shows a schematic top view of a metal sheet with two sheet metal plates; -
FIG. 8 shows a schematic view in perspective of a carcass rail according to the invention; and -
FIG. 9 shows a schematic top view of two sheet metal plates. -
FIG. 1 shows a design of an item offurniture 1 according to the invention which is provided with two movable furniture parts (drawers 3). Thedrawers 3 are mounted on afurniture carcass 2 with guidingunits 4 according to the invention and are movably mounted for pulling-out and pushing-in by means of the guidingunits 4. Thefurniture carcass 2 is shown inFIG. 1 without a side wall on the front side in order to show the arrangement of thedrawers 3 and of the guidingunits 4 in thefurniture carcass 2. Eachdrawer 3 is mounted on thefurniture carcass 2 with two guidingunits 4, in each case a non-visible guiding unit being mounted on aside wall 39. - Each guiding
unit 4 includes acarcass rail 5 according to the invention, anintermediate rail 6 as well as aload rail 7. Theload rail 7 can be mounted on the bottom or side of thedrawer 3. Thecarcass rail 5 is realized for mounting on a right-hand side wall (not shown). In this case, the carcass rail, in the mounted state, abuts against the side wall by way of aside profile portion 8 and a mountingstrap 12, the mountingstrap 12 being realized with mounting means for assembly. -
FIG. 2 shows an exemplary embodiment for acarcass rail 5 according to the invention which can be inserted, for example, on the item offurniture 1 shown inFIG. 1 . A cross section of thecarcass rail 5 is shown inFIG. 3 . A guiding apparatus, in particular a cross section of a left-hand guiding unit 4—a right-hand guiding unit mirrored on a perpendicular plane is not shown—is shown with anintermediate rail 6, aload rail 7 and rollingelement cages 16 arranged between therails FIG. 4 a. - The
carcass rail 5 is preferably produced from a metal sheet, preferably sheet steel. Thecarcass rail 5 hasseveral profile portions front boundary edge 26 as far as up to arear boundary edge 27. Theprofile portions edges carcass rail 5. Of the bending edges at least one extends preferably at least over the overall length L of the carcass rail. Because the bending edges 17, 18 and 19 provide a considerable contribution to strength and sturdiness, it is preferred when the majority of them and in particular all of them are realized extending at least over a large part of the overall length L of thecarcass rail 5. In the design shown, all the bending edges 17, 18, 19 and theprofile portions front boundary edge 26 as far as up to arear boundary edge 27. - The
side profile portion 8 is provided for the purpose of abutting against an even surface of aside wall 39 once thecarcass rail 5 has been mounted in thefurniture carcass 2. Theside profile portion 8 is connected to acenter profile portion 9 at right angles by means of the bendingedge 17. Thecenter profile portion 9 and theprofile portion 10 are connected together by means of afurther bending edge 18. Thecenter profile portion 9 is provided for the purpose of supporting theprofile portions side profile portion 8 and, after assembly, from aside wall 39 of afurniture carcass 2. - The
profile portion 10 forms together with theprofile portion 11 a region of thecarcass rail 5 which is provided for a displaceable bearing arrangement of anintermediate rail 6 and a pull-out rail (load rail 7).Surface regions profile portion 11 and where applicable also surfaceregions profile portion 10 are preferably provided as running surfaces for theroller element cages 16, in particular for roller elements includes therein (not shown) and can be processed for this purpose, for example, smoothed or, for example, provided with a thread (not shown). - A mounting
strap 12 is realized on theside profile portion 8 in a front part portion C of thecarcass rail 5 which reaches to thefront boundary edge 26. The mountingstrap 12 is realized from a metal sheet portion which is connected continuously and integrally to theside profile portion 8 and projects over atop boundary edge 24 of theside profile portion 8 and, in this case, extends as far as up to atop edge 28 of the mountingstrap 12. In this case, the mountingstrap 12 is free-standing, it being defined in the direction of the longitudinal axis of the carcass rail by an upwardly-projecting piece of thefront boundary edge 26 of the carcass rail and laterally by aboundary edge 29 which connects thetop boundary edge 28 of the mountingstrap 12 with thetop boundary edge 24 of theside profile portion 8. - Two bends 22 and 23, which are realized as offset steps which extend in opposite directions, are realized on the mounting
strap 12 parallel to the longitudinal axis of the carcass rail. As a result, the mounting strap is arranged offset inwardly toward theprofile portion 10 in the region of the mounting means 15 by a spacing in the order of magnitude of a material thickness, in particular plate thickness, the mountingstrap 12 being arranged in the region of the mounting means 15 plane-parallel to thefirst profile portion 8. When the carcass rail is mounted, edges of the step-shapedbends furniture carcass 2. Through corresponding strong fastening of mounting elements, in particular screws, the mounting strap can be, in particular, elastically sagged in the region of the mounting means, for example theholes 15, as a result of which fastening forces are initially transmittable only by means of pressing on the step-shapedbends carcass rail 5 abutting onto aside wall 39 of afurniture carcass 2. In the case of comparatively strong loads on thecarcass rail 5, the fastening of thecarcass rail 5 with thefurniture carcass 2 as a result can be somewhat flexible in order, for example, to avoid a break-out of fastening means such as, for example, a screw (not shown) or, for example, a dowel (not shown). In addition, the mountingstrap 12 is reinforced by thebends strap 12 and onto thefirst profile portion 8 is achievable. - Because comparatively high loads can occur in the front part portion C of the
carcass rail 5—in particular when, for example, thedrawer 3 is pulled-out—the connection of the mountingstrap 12 and of thefirst profile portion 8 to thecenter profile portion 9 is provided with a channel-shaped arch 13, by means of which the connection between the profile portions over the bending edge is reinforced. As a result, increased loadability of the carcass rail, in particular in the region of the bendingedge 17 can be achieved in a advantageous manner in order to prevent or at least to reduce the bending edge bending under admissible loads. - The mounting strap has mounting means in the form of
several holes 15 which are provided for mounting with, for example, screws and, for example, dowels. In this case, mounting means can also be realized in the form of engagements for, for example, fastening hooks and the like. Deviating from the design shown here, the mounting means can also include, for example, a hook which is punched out on the mounting strap. - The
profile portion 8 extends over a large part of the length of thecarcass rail 5 up to a height A, whilst the mountingstrap 12 projects beyond the height A as far as up to thetop boundary edge 28. As can be seen particularly clearly inFIGS. 3 and 4 a, as a result the mounting means 15 of the mountingstrap 12 are arranged advantageously above theprofile portions carcass rail 5 on thefurniture carcass 2 and so as to be easily reachable for a tool (not shown). When the mountingstrap 12 is also arranged protruding beyond a height B and is provided with at least part of the mounting means 15 above the height B, a guidingunit 4 assembled with all therails furniture carcass 2 by way of thecarcass rail 5 with comparatively little expenditure. In the embodiment shown inFIG. 4 a, an upper portion of theside profile portion 8 connects to the mounting strap viabend 22. In another embodiment of the carcass rail according to the invention, the mountingstrap 12 is connected to centerprofile portion 9 onedge 20 andside portion profile 8 is positioned between the mountingstrap 12 andcenter profile portion 9 onedge 21, as shown inFIG. 4 b. In this embodiment, at least one ofside profile portion 8 and mountingstrap 12 can be continuously connected to centerprofile portion 9. The mountingstrap 12 also extends above the side profile portion so that at least a part of the mounting means is above the height B, as shown inFIG. 4 b. - On account of the front arrangement on the
front boundary edge 26, the mounting strap is provided in particular for receiving carrying forces which act on the front rail portion, in particular the part portion C. To support the carcass rail in a region in the vicinity of therear boundary edge 27, arecess 14, which is adapted, for example, to a mounting adapter (not shown) which is provided for mounting on one of a rear region of afurniture carcass 2, a rear wall and, across strip 38, is realized on thecenter profile portion 9 according toFIG. 2 . Therecess 14 is realized on thecenter profile portion 9 as a rectangular slot which extends in the longitudinal direction of thecarcass rail 5 and is open on therear boundary edge 27. As a result, theprofile portion 9 is guidable at therecess 14 in correspondingly adapted grooves (not shown) of, for example, a mounting adapter, by way of which the rear end of the carcass rail can be mounted, in particular, in a floating manner. Because the part of the carcass rail is arranged in the majority of cases at a position in thefurniture carcass 2 which can hardly be seen or can absolutely not be seen, mounting with, for example, movement play cannot create an unfavorable visual impression. Consequently, the rear rail region of the carcass rail in the design shown can be utilized advantageously for the sturdy and stress-free mounting of thecarcass rail 5. In addition, with regard to mounting the carcass rail is consequently relatively narrow only in the front region, whilst a rear supporting means can be adapted in a variable manner to the conditions, in particular to the mounting possibilities of an item offurniture 1. -
FIG. 5 shows a third exemplary embodiment for acarcass rail 5 according to the invention. Thecarcass rail 5 provides a simplified design of the design shown inFIGS. 2 , 3 and 4 a, all structural features of thecarcass rail 5 also being present in the exemplary embodiment inFIG. 2 and being already described in this connection. - By way of the
carcass rail 5 which is shown inFIG. 5 , the production thereof will be described below. To this end,FIG. 6 shows ametal sheet 30 on which boundary edges 24, 25, 26, 27, and 28 of two outlines of twosheet metal plates metal sheet 30 inFIG. 6 represent a metal sheet development of two carcass rails 5. - The boundary edges 24, 25, 26, 27, 28 of the two sheet metal plates are preferably arranged in such a manner that in particular between the two
sheet metal plates metal sheet 30 remains unutilized. Consequently, the L-shaped outlines of the twosheet metal plates boundary edges 24 of the twometal sheets boundary edge 29 of the one and theboundary edge 27 of the other of thesheet metal plates sheet metal plates metal sheet 30 by the boundary edges 25, 26 and 28 of twosheet metal plates - The two
sheet metal plates metal sheet 30. In this case, during the course of separating thesheet metal plates holes 15, can also be realized out of a sheet metal portion of thesheet metal plates strap 12. - For this purpose, the
sheet metal plates metal sheet 30 using one of a milling machine (not shown) and a laser beam (not shown). For this purpose, for example, a punch (not shown) is realized in such a manner that consequently the twosheet metal plates metal sheet 30 in particular in one operating cycle of a punching apparatus (not shown), the twosheet metal plates - Furthermore, the positions of bending
edges metal sheet 30 as interrupted lines. Once the twosheet metal plates sheet metal plates strap 12 is bent off from aprofile portion 9 in the case of each of the metal sheet parts. In particular, the mountingstrap 12 is bent off from theprofile portion 9 together with afirst profile portion 8, as a result of which the mountingstrap 12 is realized so as to be protruding upward and standing freely from a height A of atop boundary edge 24 of theprofile portion 8. -
FIG. 7 shows ametal sheet 30 withsheet metal plates carcass rail 5 according to the invention. Thesheet metal plates FIG. 6 in that, in the case of the twosheet metal plates side profile portion 8 close to a first sheet tongue on thefront boundary edge 26, which is realized to form a mountingstrap 12, in each case a second sheet tongue is realized for a second mountingstrap 34. In this case, the sheet tongues for the mountingstraps sheet metal plates sheet metal plates regions 33 of themetal sheet 30 can remain unutilized in order to form, for example, the two mountingstraps - The sheet tongues for the mounting
straps sheet metal plates straps profile portion 8 at a bendingedge 17 of aprofile portion 9. -
FIGS. 8 and 9 show a fifth exemplary embodiment of the invention. Acarcass rail 5 according to the invention also hasprofile portions edges - The
center profile portion 9 is widened in a part portion C, as a result of which the profile portion is defined on one side of two separatedside profile portions side profile portion 40 is connected to thecenter profile portion 9 by means of a bendingedge 41. A mountingstrap 12 with mounting means in the form ofseveral holes 15 is realized on theside profile portion 8 above a height A. The height A preferably lies above theprofile portions side profile portion 8 and the mountingstrap 12 are bent off together from thecenter profile portion 9 at a bendingedge 17, as a result of which the mounting strap is moved into a free-standing position and is connected integrally to the remainingcarcass rail 5. Through the widening of thecenter profile portion 9 in the part portion C, the profile portion is realized in portions as a free-standing supporting arm, by way of which the rail region with theside profile portion 40 can be mounted, for example, at a predetermined spacing from a, for example,side wall 39 of afurniture carcass 2. -
FIG. 9 shows twosheet metal plates edges side profile portion 8 with the mountingstrap 12 and theside profile portion 40 can be bent off separately from one another, can be realized on the center-profile portion 9. -
- 1 Item of furniture
- 2 Furniture carcass
- 3 Drawer
- 4 Guiding unit
- 5 Carcass rail
- 6 Intermediate rail
- 7 Load rail
- 8 Side Profile portion
- 9 Center Profile portion
- 10 Profile portion
- 10 a Surface region
- 10 b Surface region
- 11 Profile portion
- 11 a Surface region
- 11 b Surface region
- 12 Mounting strap
- 13 Arch
- 14 Recess
- 15 Hole (mounting means)
- 16 Rolling element cage
- 17 Bending edge
- 18 Bending edge
- 19 Bending edge
- 20 Edge
- 21 Edge
- 22 Bend
- 23 Bend
- 24 Top Boundary edge
- 25 Boundary edge
- 26 Front Boundary edge
- 27 Rear Boundary edge
- 28 Top Boundary edge (on mounting strap)
- 29 Boundary edge (on mounting strap)
- 30 Metal sheet
- 31 Sheet metal plate (blank)
- 32 Sheet metal plate (blank)
- 33 Remaining region
- 34 Second Mounting strap
- 35 Bending edge
- 36 Boundary edge
- 37 a Boundary edge
- 37 b Boundary edge
- 37 c Boundary edge
- 38 Cross strip
- 39 Side wall
- 40 Side Profile portion
- 41 Bending edge
Claims (17)
1. A carcass rail for a guiding device, by way of which a movable furniture part during opening and closing is guidable on a furniture carcass of an item of furniture, said carcass rail having a cross sectional profile which has several even profile portions which extend along a longitudinal axis of the carcass rail, wherein in each case two of the profile portions are connected together by means of a bending edge which extends along the longitudinal axis, and wherein a side profile portion is a side portion of the cross sectional profile which in the mounted state is provided for arrangement on a side wall portion of the furniture carcass, wherein at least one free-standing mounting strap for assembly on the side wall portion of the furniture carcass is connected integrally and continuously to the side profile portion and extends over a portion of the longitudinal axis of the carcass rail.
2. The carcass rail according to claim 1 , wherein the mounting strap stands out freely on a top edge of the first profile portion.
3. The carcass rail according to claim 1 , wherein the mounting strap is connected to the remaining carcass rail by means of at least one bending edge.
4. The carcass rail according to claim 1 , wherein the mounting strap is arranged on a laterally protruding region of a center profile portion of the carcass rail when the carcass rail is mounted on a carcass of an item of furniture.
5. The carcass rail according to claim 4 , wherein the center profile portion in the first part portion, on which the mounting strap is mounted, is widened at right angles to the longitudinal axis.
6. The carcass rail according to claim 1 , wherein the mounting strap extends along the longitudinal axis over a maximum of half the length of the carcass rail.
7. The carcass rail according to claim 1 , wherein with reference to the longitudinal axis, the mounting strap is located in a front end region of the carcass rail which is provided for arrangement in the front region of the furniture carcass.
8. The carcass rail according to claim 1 , wherein the mounting strap is arranged plane-parallel to one of the profile portions.
9. The carcass rail according to claim 8 , wherein the mounting strap is arranged plane-parallel to the side portion.
10. The carcass rail according to claim 1 , wherein the profile portion which includes the mounting strap has a channel-like arch which extends transversely to the longitudinal axis.
11. The carcass rail according to claim 10 , wherein the profile portion which includes the mounting strap has a channel-like arch which extends at right angles to the longitudinal axis.
12. The carcass rail according to claim 1 , wherein at least one mounting element is located on the mounting strap.
13. The carcass rail according to claim 12 , wherein the mounting element is a hole for screw-fastening.
14. The carcass rail according to claim 1 , wherein at least one of an offset and a bend is positioned on a connection between the mounting strap and the remaining carcass rail.
15. A guiding apparatus for a displaceable furniture part for movement guidance on a furniture carcass, wherein the guiding apparatus includes a carcass rail according to claim 1 .
16. An item of furniture having a carcass rail according to claim 1 .
17. A method for producing a carcass rail according to claim 1 , wherein a sheet metal plate, from which the carcass rail is formed is separated out from a metal sheet, wherein the mounting strap is bent off from a sheet portion of the sheet metal plate which is provided as a profile portion.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013010577.3A DE102013010577A1 (en) | 2013-06-26 | 2013-06-26 | "Carcass rail for a guide device, guide device, furniture and method for producing a carcass rail" |
DE102013010577.3 | 2013-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20150002008A1 true US20150002008A1 (en) | 2015-01-01 |
Family
ID=52017012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/028,656 Abandoned US20150002008A1 (en) | 2013-06-26 | 2013-09-17 | Carcass rail for a guiding device, guiding apparatus, item of furniture and method for producing a carcass rail |
Country Status (2)
Country | Link |
---|---|
US (1) | US20150002008A1 (en) |
DE (1) | DE102013010577A1 (en) |
Cited By (2)
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US20170220570A1 (en) * | 2016-01-28 | 2017-08-03 | Echostar Technologies L.L.C. | Adjusting media content based on collected viewer data |
US10349742B2 (en) * | 2017-08-31 | 2019-07-16 | King Slide Works Co., Ltd. | Slide rail assembly and slide rail mechanism thereof |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019111655A1 (en) * | 2019-05-06 | 2020-11-12 | Grass Gmbh | Body rail with stiffening element |
AT525324B1 (en) * | 2021-07-23 | 2024-09-15 | Julius Blum Gmbh | Drawer pull-out guide for movable storage of a drawer on a furniture body |
AT525325A1 (en) * | 2021-07-23 | 2023-02-15 | Blum Gmbh Julius | drawer slide |
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US10349742B2 (en) * | 2017-08-31 | 2019-07-16 | King Slide Works Co., Ltd. | Slide rail assembly and slide rail mechanism thereof |
Also Published As
Publication number | Publication date |
---|---|
DE102013010577A1 (en) | 2014-12-31 |
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Owner name: GRASS GMBH, AUSTRIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DOMENIG, GEORG;PEER, MANFRED;JIANG, CHENG;REEL/FRAME:031676/0930 Effective date: 20131024 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |