This invention relates to support beams or support spines for an office furniture system, particularly a system of the modular type, which can be used to support not only work surfaces but also office equipment such as computers and telephone systems.
A variety of modular office furniture systems have been developed by various companies. These systems can be used to construct office desks and workstations having a variety of configurations and layouts. Modular furniture systems can also be made from a variety of materials, including metal, wood and suitable plastics. Each system is generally provided with a number of standard, basic components such as supporting frames, supporting beams, and work surfaces and these components make it possible to provide a furniture arrangement that is particularly suited for an individual customer's needs.
In recent years, with the development of the electronic office and the more extensive and wide spread use of computers, particularly personal computers, modular office furniture systems that take into account the need to support and hold electronic and computer equipment have been developed. In fact, in many modern offices, there is a need for a substantial amount of electrical and electronic equipment to be accommodated together with communication equipment in a relatively small space and the necessary wiring and cables for this equipment must be routed to the equipment in a manner which not only does not detract from the appearance of the office but also enables relative easy installation of the equipment and the subsequent servicing thereof.
The use of support beams as a basic component of a modular office furniture system is well known in the art. These support beams can be supported above the floor by means of suitable support legs or posts and wiring and cable can be routed through the interior of the beam. The use of a support beam of this type is described and illustrated in U.S. Pat. No. 4,838,177 issued Jun. 13, 1989 to Nova-Link Limited, which is also the assignee of the present application. The disclosure and drawings of this United States patent are incorporated herein by reference. The beam in this patent has a rectangular transverse cross-section that includes a top panel or plate and two vertical side plates connected together by the top plate. The beam also has a bottom plate and all sides of the beam, including the top and bottom, are formed with access openings through which wiring can be run, for example.
In more recent U.S. Pat. No. 6,076,903 issued Jun. 20, 2000 to Nova-Link Limited, there is disclosed a modular workstation system which incorporates a support beam of the aforementioned type. In this system, a support wall is mounted on top of the beam by means of upright posts and connecting slats extend horizontally along this wall. This workstation system also teaches the use of an open mesh raceway that can be mounted on the support posts for the wall and is located a short distance above the beam. Suitable holes formed in the top of the beam are capable of receiving the wall posts. The disclosure and drawings of this U.S. patent are also incorporated herein by reference. It will be noted that in both of U.S. Pat. Nos. 4,838,177 and 6,076,903, the support beam, although mounted in an elevated position above the floor by means of supporting legs, is still located a substantial distance below the top of the work surface which can be mounted on one or both sides of the beam by means of support brackets.
Another workstation system for an office is disclosed in U.S. Pat. No. 4,224,769 which issued Sep. 30, 1980. The beam assembly in this U.S. patent has a height which extends from approximately knee height to work surface height. The beam assembly includes a centrally disposed I-beam having upper and lower closed box sections that are interconnected by an unbroken vertical, central web. This I-beam is reinforced by an upper channel member which has up turned flanges affixed to the top of the upper box section. An additional channel member can be affixed to the bottom of the lower box section to increase rigidly. The space between the upper and lower box sections defines horizontal raceways (made of bent sheet metal) for laying the electrical and communication wiring. Cover panels are also provided for the top and sides of this beam assembly. Difficulties with this known beam assembly include the fact that there are no openings through the interconnecting web section of the beam to allow wiring and cables to pass through this section of the beam in the transverse direction and the beam is not designed for use with other types of central frame supports which may be desirable for certain types of office equipment or for certain modular office furniture requirements.
It is an object of the present invention to provide an improved support beam for an office furniture system that can be made at a reasonable cost while at the same time being quite strong and capable of being used in a variety of ways.
It is a further object of the present invention to provide an improved support frame for an office furniture system which includes an elongate beam capable of carrying electrical and communication wires, elongate end frame sections extending downwardly from opposite ends of the beam, and an open mesh raceway mounted on a lower portion of the beam and extending downwardly from this lower portion.
According to a further object of the present invention, there is provided an improved support frame which includes an elongate beam constructed with at least one central cavity extending downwardly from holes in the top of the beam and which has fastener holes in walls forming this cavity for securing posts that can be mounted in the top of the beam.
According to one aspect of the invention, a support apparatus for an office furniture system includes an elongate, hollow lower beam section having top and bottom panels and vertically extending side panels extending between and rigidly connecting the top and bottom panels. At least some of these panels have access openings formed therein. An elongate, upper beam rail having a top forming a horizontally extending top surface extends parallel to and is spaced-apart from the lower beam section. This beam rail has a plurality of spaced-apart post-receiving holes formed in the top surface and extending through its top for mounting other components of the office furniture system on the upper beam rail. The height of this beam rail is less than the height of the beam section. Vertically extending, spaced-apart, elongate posts rigidly connect the upper beam rail to the lower beam section. In addition, the beam rail includes at least one rail connecting device provided and located at at least one end of the beam rail for rigidly connecting the at least one end of the beam rail to an adjacent end of another beam rail or to other compatible support structure.
In the preferred embodiment, there is an open meshed raceway mounted on at least one side of the elongate posts and extending the length of the support beam.
According to another aspect of the invention, a support frame for an office furniture system includes an elongate, horizontal beam adapted for carrying electrical and communication wires and cables and having a too forming a horizontally extending top surface, this beam having a plurality of spaced-apart, post-receiving holes formed in the top surface end extending through its top for mounting other components of the office furniture system on the horizontal beam. Two elongate end frame sections extend downwardly from opposite ends of the beam and are rigidly connected thereto. An open meshed raceway is rigidly mounted on a lower portion of the horizontal beam and extends along the length thereof. This raceway extends from the lower portion of the beam and has a horizontal raceway section located directly under at least an upper portion of the beam.
In a preferred embodiment, the raceway includes an elongate connecting strip that extends along the top of the raceway and is detachably connected to the lower portion of the beam by fasteners.
According to a further aspect of the invention, a support frame assembly for an office furniture system includes an elongate, horizontal metal beam adapted for carrying electrical and communication wires and cables and having a top forming a horizontally extending top surface, this beam having a plurality of spaced-apart holes formed in the top surface and extending through the top for mounting posts for one or more components of the office furniture system on the metal beam. The beam is constructed with at least one central cavity extending downwardly from the holes in its top and defined by opposite vertical walls of the beam. Fastener holes for securing the posts are provided in the vertical walls with one or more of these fastener holes being aligned in the transverse direction of the beam with each of the holes in the top of the beam. There are also two end frame sections extending downwardly from opposite ends of the beam and rigidly connected thereto. These end frame sections each have a bottom end adapted for mounting on a floor.
Preferably the metal beam of the support frame is a welded frame assembly that includes two spaced-apart, substantially channel shaped frame member, each of which has a connecting central section forming one of the aforementioned vertical walls and outwardly extending top and bottom leg sections respectively connected to a top and a bottom of the central section. The central cavity is formed between the two central sections.
According to a still further aspect of the invention, a supporting frame assembly for an office furniture system includes an elongate, hollow lower beam section having a top panel and vertically extending side panels rigidly connected to the top panel. At least some of the panels have access openings formed therein. An elongate upper beam rail having a top extends parallel to and is spaced apart from the lower beam section. This beam rail has a length substantially equal to the length of the lower beam section and has rail connecting end flanges at opposite ends of the beam rail. The end flanges have fastener holes formed therein. Vertically extending, spaced-apart frame members rigidly connect the upper beam rail to the lower beam section. A support leg arrangement is provided to mount the lower beam section and its connected beam rail in a horizontal position above the floor. The frame assembly further includes an elongate, horizontal metal beam member having a top and adapted for carrying electrical and communication wires and cables. Also, two elongate, end frame sections extend downwardly from opposite ends of the metal beam member to floor level. These frame sections are rigidly connected to the metal beam member with one of the end frame sections being rigidly connected to an end of the lower beam section and to one end of the beam rail by means of one of the end flanges. The top of the metal beam member is at substantially the same height as the top of the upper beam rail during use of the frame assembly. Both the upper beam rail and the metal beam member have a plurality of spaced-apart, post-receiving holes formed in their respective tops for mounting other components of the office furniture system.
In a preferred embodiment of the frame assembly, open-meshed horizontal raceways are mounted on both the spaced-apart frame members and the metal beam member and each raceway is at substantially the same height as the other raceway.
Further features and advantages will be come apparent from the following detailed description taken in conjunction with the accompanying drawings.
In
It will be understood that the support beam 10 and the support frame 12 of the invention can be used to construct and assemble both single sided and double sided workstations suitable for offices and the like. These workstations are particularly suited for mounting computer or television monitors, display equipment, communication equipment, and keypad touch equipment and also for providing a work surface in front of or above this equipment. Horizontal work surfaces of known construction are shown at 16 in
Also shown in
Turning now to the construction of the support beam 10 of the invention, this beam comprises several major components including an elongate, hollow lower beam section 38, an elongate, upper beam rail 40 and vertically extending, spaced-apart elongate posts 42. The lower beam section which has a metal top 44 is similar in its construction to the support beam described and illustrated in the earlier U.S. Pat. Nos. 4,838,177 and 6,076,903 referred to above. Thus, this beam section has a generally rectangular transverse cross-section with its long side 46 extending vertically. These long sides consist of metal side panels that extend between and rigidly connect top panel 44 to a bottom panel 48 (see
Each of the side panels 46 is bent twice at the top to form a L-shaped connecting flange 52. The upright leg of this flange has a series of bolt holes 54 formed therein, which holes can be used for the attachment of the aforementioned support brackets 19 and 20. If desired, the flanges 52 can be reinforced by an adjacent flange formed on opposite side edges of the top panel 44. The top and bottom panels and the metal side panels of the lower beam section are rigidly secured together by welding. Because of its rigid construction, the beam 10 can be used to cantilever and support lower zone equipment, such as a CPU support ray, off the face of the beam.
Preferably, each of the side panels 46 is formed with at least one connecting end flange which can be secured to the outside surface of the support frame 12, for example. As illustrated, each side panel 46 has two end flanges 56, 58, each formed with at least one hole to receive a connecting bolt 60 which is secured in place by a nut 62. It is, of course, also possible to connect the support beam 10 directly to the end of another similar support beam and the end flanges 56, 58 of each support beam can be used for this purpose as well. The beams can be manufactured so as to have a relatively short standard length, ie. four feet. If a longer beam is required, the short beams can be connected to form a long beam.
With specific reference to
The illustrated support legs 66 can have two feet 72, 74 as shown in
An additional preferred feature of the lower beam section is the attachment of a plurality of exterior brackets 82 that can be attached by screws by each of the side panels. These brackets can be used to run electrical cable (armored) along the outside of the lower beam section.
Turning now to the construction of the new upper beam rail 40, this beam rail extends parallel to and is spaced-apart from the lower beam section 38. Thus, there are substantial open spaces 84 formed between the lower beam section and the beam rail and these open spaces permit wires and cables to be run transversely through the central portion of the support beam 10, if required.
The construction of the upper beam rail can be seen clearly from an examination of
Shown in
Turning now to the manner of attachment of the posts 42, these posts can be attached by four countersunk screws to the upper beam rail 40, the location of these screws being indicated at 127 to 130. The two posts 42 at the opposite ends of each support beam 10 are formed with outwardly extending connecting flanges 132, 134, each of which can be attached by two bolts 136 to the top panel 44 of the lower beam section. These end posts are connected in this manner so as not to interfere with the insertion of a leg 66 into the end section of the beam.
However, the internal posts 42 of which there are two in the illustrated embodiment are connected in a different manner than the end posts. In particular, each of these posts extends through a substantially rectangular opening formed in the top panel 44 and extends downwardly across the beam cavity to the top of the bottom panel 48. This is illustrated in dash lines in
In addition to the screw holes provided to attach the frame members 96, 98 to their respective posts, there are also provided in the angle frame members a series of additional screw holes 142 which can be provided as shown in spaced-apart groups of four. These screw holes can be used to secure in place the aforementioned vertical posts 26 for the support wall 22. It will be noted that the posts 42 of the support beam are located so as to not to interfere with the insertion of the posts 26 into the holes in the top of the upper beam rail 40.
Another preferred feature of the support beam 10 is the provision of an open meshed raceway 144 mounted on at least one side of the elongate posts 42 and extending the length of the support beam 10. In the illustrated preferred embodiment, there are raceways mounted on both sides of the support posts. These raceways are formed from welded together wires including longitudinally extending straight wires 146, 147 and 148 and J-shaped wires 150. The preferred raceways are attached by a series of screws 152 to the posts 42. These screws can be trapped between the ends of the straight wires 147, 148 as illustrated in
In a preferred embodiment of the support beam 10, the width of the beam, including the width of the upper beam rail, is six inches. Preferably, the width of the upper beam rail is the same as the width of the lower beam section. The height of the lower beam section including the connecting flanges 52 is nine inches while the overall height of the support beam 10, including the posts 42 and the upper beam rail, is twenty inches. When this support beam 10 is mounted on standard support legs as shown, the top of the beam is approximately twenty-nine inches from floor level.
Turning now to the construction of the aforementioned support frame 12 which can be used in combination with the aforementioned support beam, this support frame includes an elongate, horizontal metal beam 160 adapted for carrying electrical and communication wires and cables by means of passageways formed therein. In one preferred embodiment, the beam 160 has a height of five inches. It will be understood that both this metal beam and the aforementioned upper beam rail 40 are preferably constructed from eleven gauge sheet metal having sufficient strength for support purposes. The support frame further includes two elongate end frame sections 162 and 164 which can be of identical construction. These end frame sections extend downwardly from opposite ends of the beam 160 and they are rigidly connected thereto. As illustrated in
The illustrated preferred raceway includes an elongate, connecting wire 174 that extends along a top of the raceway and that is welded to a series of spaced-apart J-shaped wires 175.
The preferred construction of the metal beam 160 can be seen from the detail view provided by
As shown in
One purpose of the two trim covers 300, 302 is to form a longitudinal passageway 318 between the two covers for a continuous plug mold (not shown) of known construction per se. By having suitable outlet openings 320 formed in the outer trim cover 300, only the electrical outlet is visible to and exposed to the user of the support frame 12. Metal C-shaped clips 322 are mounted on the inner trim cover 302 to support the plug mold in a detachable manner.
The preferred construction of each end frame section 162, 164 will now be explained. In particular, each of these end frame sections can be constructed as a welded assembly made from two substantially channel-shaped frame members with their edge flanges directed towards one another. One of these channel-shaped members is indicated at 200 in
Returning to the construction of the metal beam 160 as illustrated in
As indicated, it is possible to attach a variety of modular office furniture components to either the support beam 10 or the support frame 12. In the left side of
Also shown in
Turning to
From the above description and the accompanying drawings it will be seen that the new support beam 10 and the support frame 12 described herein provide a number of advantages to users of modular office furniture systems. For example, the preferred forms of the support beam 10 and the support frame 12 can be made interchangeable for many applications because of common features incorporated therein including the fact that they can be made the same height. The preferred support beam 10 and support frame 12 can be constructed to accept identical mounting hardware. Also, there can be continuous cable management between the support beam and the preferred support frame, for example, because the raceways can be mounted at the same height and in an end to end manner. It will also be seen that the running of cables between the cable bus of the beam 10 and the bus, ie. the slot 190 of the frame 12, is relatively continuous making the buses easier to use. Also, the same types of riser modules or supporting walls can be mounted on the preferred forms of the beam and the frame and thus the support beam and the support frame can support cantilevered console modules, for example, by means of the illustrated support brackets. Both the support beam and the support frame can be used as core components for more elaborate modular office furniture constructions. For example, in addition to supporting a single level of slat wall as illustrated in
It should be noted that for some modular furniture applications, for example, certain types of console structures, the use of a support beam 10 is required while for certain other applications such as back side accessible rack mount attachments, the use of the support frame 12 is required. For example, the support beam 10 can be used to support CPU equipment in a cantilevered mode off the sideface of the beam. On the other hand, the support frame 12 is able to hold CPU equipment within its internal space below the horizontal beam (ie. at floor level). Therefore, because of the innerchangeability of the present support beam and the support frame, various required combinations of both can be assembled to meet a wide variety of applications and requirements. It will be appreciated that the support frame 12 as illustrated allows for back access to equipment mounted therein or on the frame and other equipment such as upright computers and computer servers can be located directly under the frame. One important advantage that can be achieved with the preferred version of the support beam and the support frame 12 is that they can be finished by means of similar or identical trim panels (including end trim panels) to have a similar and coordinated appearance. This is desirable in an office environment where the pleasing appearance of the completed furniture system is a feature sought after by the end users. The similar appearance is achieved in part by the same heights of their top surfaces and the same depths. In the case of the side trim panels used on the support beam 10 and on the support frame, although they can have a similar appearance, they are supported at different locations (on the beam as compared to the support frame) because of the differences in construction between the support beam and the support frame.
It will be appreciated by those skilled in the art that various modifications and changes can be made to the described support beam and support frame without departing from the spirit and scope of this invention. Accordingly, all such modifications and changes as fall within the scope of the appended claims are intended to be part of this invention.
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Number | Date | Country | |
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20040035067 A1 | Feb 2004 | US |