CA1218822A - Space divider system - Google Patents
Space divider systemInfo
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- CA1218822A CA1218822A CA000502049A CA502049A CA1218822A CA 1218822 A CA1218822 A CA 1218822A CA 000502049 A CA000502049 A CA 000502049A CA 502049 A CA502049 A CA 502049A CA 1218822 A CA1218822 A CA 1218822A
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Abstract
ABSTRACT OF THE DISCLOSURE
An improved and more versatile space divider system for open office interiors includes as a major com-ponent a structural beam or spine supported at each end by vertically adjustable legs. Feet on the legs provide the required lateral stability to support or hang components such as work surfaces, filing systems and the like from the beam. Each beam includes two enclosed electrical ducts on the top thereof superjacent work surface height, such ducts being provided for power and communication wiring respec-tively, with the latter duct being above the former and laterally enlarged. The power wiring duct is prewired with outlets on both sides, while the communications wiring duct includes both lateral and top access. The legs have a smooth exterior surface yet permit beams to be connected thereto at a wide variety of angles. Enclosures or fillets for the beams and legs permit the ducts to pass through the legs fully enclosed. Each beam may be provided with a midpoint connection so that one beam may be connected to and extend normal to the other without a leg beneath the point of connection. The ducts have removable sections near the center of the beam for connection of the other beam thereto.
An improved and more versatile space divider system for open office interiors includes as a major com-ponent a structural beam or spine supported at each end by vertically adjustable legs. Feet on the legs provide the required lateral stability to support or hang components such as work surfaces, filing systems and the like from the beam. Each beam includes two enclosed electrical ducts on the top thereof superjacent work surface height, such ducts being provided for power and communication wiring respec-tively, with the latter duct being above the former and laterally enlarged. The power wiring duct is prewired with outlets on both sides, while the communications wiring duct includes both lateral and top access. The legs have a smooth exterior surface yet permit beams to be connected thereto at a wide variety of angles. Enclosures or fillets for the beams and legs permit the ducts to pass through the legs fully enclosed. Each beam may be provided with a midpoint connection so that one beam may be connected to and extend normal to the other without a leg beneath the point of connection. The ducts have removable sections near the center of the beam for connection of the other beam thereto.
Description
~X18l~22 D CLOSURE
This invention relates generally as indicated to a space divider system and more particularly to certain improvements in a space divider system of the type disclosed and claimed in Canadian Patent No. 1,115,921 issued January 12, 1982, entitled "Space Divider System". This particular application is a division of Application Serial No. 477,199 filed March 21, 1985 which is a division of Application No.
454,399 of May 15, 1984 (Patent No. 1,191,319 of August 6, 1985). The latter application is a division of Application No. 428,469 of May 18, 1983 (Patent No. 1,177,622 of November 13, 1984) which is, in turn, a division of Application No.
359,230 of August 28, 1980 (Patent No. 1,150,031 of July lo, 1983).
BACKGROUND OF THE INVENTION
In such prior Canadian patents there is disclosed a unique space divider system for open office interiors, the major component of which is a structural beam supported from posts at each end stabilized by projecting feet. The beam itself constitutes a wiring raceway and includes a race-way on the top thereof open through a lateral slot above work surface height. The posts or legs for the beam are pro-voided with apertures or mounting brackets to which the ends of the beam are connected. The mounting brackets project from the surface of the post and different post configure anions are required depending upon the number of beams con-- netted to the post.
In modern office interiors, the use of power driven machines is rapidly increasing. Moreover, communications systems are becoming quite complex and management of power and communication wiring in a modern office is a significant and continuing problem. Many codes require fully enclosed wiring ducts. For simplicity, both communication and power wiring should be available superjacent work surface height and readily available to work surfaces or station such as word processing stations or computer terminals.
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Also, for cost effectiveness, it is important to provide the required wire management for energy and communications requirements while still providing a high degree of horizontal and vertical flyable with commonly used components thus reducing the overall cost.
Satyr OF THE INVENTION
The system of the present invention provides fully enclosed communications and power wiring ducts superjacent the work surface on top of a supporting spine or structural backbone to enable effective use of the increasing number o, machine and communication devices found in the modern office. In addition, the system provides a wide variety of-options in the enclosure of - spice providing a very high degree of both horizontal and vertical flyability.
The major component of the system is a structural beam which may come in a variety of lengths supported by posts at each end. lateral stability, where require, - is provided by projecting feet which extend from one or both sides of the posts. The beams are provided With an optional midpoint connection which may be used further to divide the beam module. The height of the beam in-eluding the integral wiring ducts on the top thereof may be adjusted vertically and the work surfaces supported : 25 my the beam my be adjusted with respect to the beam - within a certain range.
The two ducts on the beam are fully enclosed with the duct for the communication wiring being above the duct for the power wiring and also being laterally enlarged.
The power wiring duct is rewired with outlets ox both sides Nile tune communication wiring duct may include - both lateral access and also top or lay-in access.
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I 12~8822 The legs supporting the beams have a smooth exterior surface that permit the beams to be connected thereto at a wide variety of angles Accordingly, only a single leg construction need be provided regardless of the angular position of the beams extending therefrom.
Enclosures an fillets for the beams and legs permit the ducts to pass through the legs fully enclosed. The power wiring passes through a cage on toe top of the leg while the communication wiring passes around a reduced diameter I posy extension, if employed. Enclosures for the top of the leg facilitate the wiring bypass of the leg.
- As indicated, each beam may be provided with a midpoint connection so that one beam may be connected to Lana extend normal to another beam without a leg beneath --- 15 the point of connection. Again fillets-are provided to - insure that the ducts are enclose from beam to beam.
Above the ducts, extensions of the leg or posts are provided from which hanger bars may be secured for supporting further accessories or acoustical panels.
Wiring to the-ducts may enter the system from the floor or ceiling adjacent the legs or through post extensions, - respectively.
Accessories such as work surfaces are provided quickly to hook into a recessed hook channel in the beam, I such accessories having a movable locking tab. In one . position the locking tab acts to maintain the hook of the accessory in the channel while the other position of the tab permits the insertion and removal of the hook.
The assembly of the legs and beam is accomplished in a few minutes with very simple tools. The beams may ye added to or removed from the system with no disturbance to the rest of the system.
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A system of quarter-circle castings is employed to enclose the wiring at the beam and leg connections and the same or similar castings are employed in a variety of come binations for all beam connections. The aforementioned mid-beam connection may use the same fastening points as the post connection and accordingly, the beam module may either be connected to a post at the selected angle or to a mid-beam connection.
Accordingly, it is seen that the invention pro-vises a space divider system utilizing common module coupon-ens which may be interconnected in wide variety to provide both the horizontal and vertical flexibility desirable in an open office space divider system.
In this particular divisional application the in-mention relates to a space divider system comprising as a major component a structural beam, legs supporting the beam at substantially work surface height an enclosed electrical duct on top of the beam, and removable sections of the duct near the center of the beam to expose the beam for connect lion of the end of another beam thereto.
tam/ -4-38~2 Tile hollowing description and the annexed ~rawlngs set forth in dct~il certain illustrative embodiments of the invention, these being indicative, however, of but a few of the various ways in which the principle of the invention may be employed.
I- BRIEF DESCRIPTION OF TOE DRAWINGS
In said annexed drawings:
Figure 1 is a side elevation of a space dividing system in accordance with the present invention;
Figure 2 is a top plan view of the system of figure 1 as seen from the line 2-2 thereof;
. figure 3 is an eluded view in perspective and broken away of tune beam-leg connection of the present invention;
so I
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Figure 4 is a prosecute broken owe viol illustrating the wiring assay p2ssag~s Thor e leg for a 90 team connection Figure S is an enlarged Rockwell section through the team illustrating the Norway in itch us tops and the like are supported from the beam;
. Figure 6 is a top plan vie broken way of the mid-heam~to beam cc~nection;
Fuzzier 7 itch appears on the same sheet as Figure 3, is an neared top plan View of the l~eam~to-leg connection;
Figure 8 is an enlarged top plan of a 90 duct enclosure a the leg;
Fugue 9 is a side elevation of the enclosure of Figure as seen fun the line 9-9 thereof;
Piggery 10 is a front elevation of the enclosure of Figure 8 as seen n the line ~-10 of Figure 9;
ig~2~e 11 is a horizontal section token prom the line 71-11 of Figure 10;
: Figure 12 is a hor_zont 7 section taken fry the lode 12-12 of Figure 10;
Figure 13 is a view similar to Figure 8 of a 45 duct enclosure at - the leg;
ire 14 is an exploded perspective vie of the mid-bezm cornec~icn;
- Figure lo Nash appears on the save sheet as Fissure 4 along with Figures 16-18, is a broken enlarged perspective view of a desk top support brace used ~nLth the present invention;
Figure I is an exploded vow broken away illustrating the wanner ion Wig the desk top is secured to the bracket;
inure 17 is a retail broken aye and in section ox the manner in icky hawser kens are secured to post extrusions;
Figure lo is a tail section of the hawser b æ illustrating a circa ~Fnent hoot received therein;
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Figures 19-24, which appear on the same sheet as Figure 13, are fragmentary top plan views of a variety of bcam-leg connections which may be employed with the present invention using the cnclos-- use I Figure ~-13; and S Figures 25-29 are schematic top plan views of some of a variety of layouts which may be formed with the present invention.
DESCRIPTION OF TIRE PREFERRED EMBODIMENTS
Referring first to Figures 1 and 2 it will be seen that the components of the space divider system may be used to support a wide variety of components or accessories such as desk tops, both cantilevered and leg supported, shelves, storage comport-mints, paper organizers drawers and files, light fixtllres, sound absorbing panels or cushions, or window slots.
The major component of the system is horizontally extending beam seen at I which may be provided in a variety of length modules The beams are supported at each end by legs 42 or one beam Jay be connected to another beam at a beam median as hereinafter discord The top of each beam as indicated at 43 is designed to be substantially at work surface height an on top ox the beam superjacent such work surface height are two enclosed electrical ducts seen at 44 and I one on top ox the Lowry accomoda~ing power and communication wiring respe~ti~ely. The top communications wiring raceway 46 is laterally enlarged and includes a top access cover 48 so that communications wiring may be laid into the top of the raceway 46 Roth raceways may be provided with lateral outlets seen a 4g and 50. The power raceway I is preferably rewired and the lateral access thereto is provided through conventional outlets 50.
1~8822 The legs, as hereinafter described, include horizontal access or passageways for both wiring ducts and such legs may support post extensions 52 extending above the ducts between which are connected hanger bars 54 S from which the various upper components of the present invention may be secured.
IJi~ing to the ducts may originate either in the ceiling US or the floor I If wiring originates in the 100r as indicated at 57 it may extend to the ducts through wiring covers 58 secured to the exterior of the leg_ It it originates in the ceiling 55 it may extend through slightly enlarged tubular post extensions 59.
The post extensions 52 are hollow and may Allah be employed to support lighting fixtures 60 and 61 I providing ambient lighting.
In tune particular linear system seen in Figures 1 - an 2, reading from right to left, there is shown four suck legs 42 as seen at 62, 63, 64 and 65. The less 63 and I as well as 64 and 65 are interconnected by teams 40 ox different length modules as seen at 66 and 67.
The legs 62 and I are interconnected by a relatively short module length of ducts 46 and 44 which are supported on a relatively shallow channel or frame spanning the legs 62 end 63 and connected thereto in much the same I manner as the beams as hereinafter described. Because - . . ox the en.. ployment of the duct only between the legs 62 and 63 and the lack of a structural beam, components such as desk tops, storage units and the like cannot be supporter from the divider system at such point.
Extending from the top edge of the beam 66 is a Ahab or desk top 72 josh is supported from the beam by a hook received and a recessed hook channel and at its distal end my a single vertically adjustable leg 73 similar in appearance to the leg 63. It is noted that the outlets for both the electrical and communication ducts are immediately superjacent the York surface of the essay or table 72 ~2188Z~
go . adjacent the table 72 a relatively small tray or York surface seen at 74 projects from the beam which can be used as a paper tray or to receive a telephone or small dictating machine, or example. Adiaçent the tray 74 is a two-unit drawer system seen at 75 which extends in cantilever fashion from the beam 66.
Moving to the next module, suspended -from the second rail 54 is an overhead storage unit or cabinet 76.
A paper organizer or compartmental wiling system may be I suspended and project from the next lower horizontal rail as seen at 77. Cantilevered from the beam 67; storage bins seen at 78 and 79 may be provided. Adjacent the bin 79 there is secured to the beam 67 a cantilever work surface 81 which is supported on brackets 82 and 83 secured to the 15 beam in a manner hereinafter described Again the top of the irk surface has the outlets from the wiring ducts 46 an 44 immediately there above.
It is noted for illustration purposes only that the floor 56 beneath the leg 65 is somewhat lower than the 20 Lowry beneath the leg 64. Because ox a height adjustment - incorporated in the legs, the beam 67 cay nonetheless be positioned horizontally. Extending between the legs 64 and 65 is a fill panel 85 which may, if desired, eighteen all the way to the floor with the lower edge compensating Z5 for floor irregularities. The cantilevered tops such as desk top 81 may themselves be provided with a vertical adjustment with respect to the beam and the beam itself may be vertically adjusted through a Siam more narrow range to compensate for not only the floor 30 irregularities noted, but also to raise or lower the Hogan ox the beam.
`` -10- 1Z~1~822 Each be is provided with an optional midpoint connection as seen at 88 with the midpoint connection of the beam I being utilized while the midpoint connection of the beam 66 is not. When utilized a further beam seen S at 90 may ye connected Jo the midpoint of the beam to extent normal thereto. In such situation, there is no leg suppor~lng the midpoint of the beam 67 or the end of the beam 90. Additional beams seen at 91 and 92 may be connect-Ed to the leg 62 and 65, respectively with the upper struck sure supporting either acoustical panels seen at I or overhead storage cabinets seen at I the cabinets 94 and 76 may be the same. The acoustical panels or cushions I are supported from the rails 54 and serve not only visually Jo block the-area above the beams and ducts, lo but because of their structure utilizing fabric over - cushion material, the serve as visually sot sound absorbing or sound deadening panels Such panels may vary in shape and as indicated at 95 and 96 window slots may ye provided below somewhat more narrow awakes-tidal panels 97.
In the illustrated embodiment the superstructure provided by the post extensions So and rails 54 may provide three levels. Preferably only the first two levels are used for shelf or storage component loads while the third level is used only or acoustical panels or non-eccentric loading such as provided by the ambient lights 60 and 61.
~eq-Beam Connection - Referring now to Figures 3 and 7 it will be 'seen that the main structural component of the leg 42 is a vertically emending square tubular post 102 surrounded by an extruded aluminum cylindrical sleeve 103. The top of the post 102 is provided with a nut into which a .
flanged leveling screw 104 is threaded, with the flange supporting circular disc or plate 105 secured to the top of sleeve 103. The diameter of the top plate or disc lo is somewhat smaller than the outside diameter of the S sleeve and in any event by rotating the adjusting screw 104 the vertical position of the sleeve on the post may be altered as indicated.
The bottom of the post is prove with a further disc 106 which is secured by fasteners 107 to a foot 10~3. Glides 109 and 110 may be provided beneath each end of the foot to facilitate movement over floor surfaces such as carpeting. A flexible bellows 111 provides an appearance cover or closure between the variable lower end of the sleeve 103 and the foot 108.
-I lo - The end of each beam 40 is provided with a rigid _ vertically enlarged Levis seen at 114 which induces projecting top and bottom ears 115 and 116. The top ear is provided with two through holes 117 while, the bottom ear is provided with topped through holes 118. The pricking end of the ears is provided with an arcuate ego as teen at 119 corresponding to the OLD. ox the disc lost The top ear is designed to fit over the top of the sleeve 103 snugly adjacent the OLD. of the disc as seen more clearly in Figure 7 while the bottom ear 116 fits within slot 120 in the sleeve 103. The slot 120 is of , the same depth as the OLD. of the disc lost As seen more clearly in Figure 7, the sleeve 103 includes a total of eight equally spaced vertically extending holes on the inside of the outer shell or cylinder 123. The exterior of such cylinder from the top to the bottom of the sleeve, with the exception of the slow 120, is a smooth circular cylindrical surface.
Toe sleeve also Claus four inwardly extending vertical quadrant spaced webs 126 which terminate in enlarged kisses i27 providing holes for fasteners 128, such bosses each including laterally enlarged flat vertical surfaces 129 bearing and sliding against the four flat faces of the square posy 102. The sleeve ma be provided with additional internal risidifying ribs as seen at 130.
The ribs 130 and webs 1~6 form upwardly facing recesses - 131 with the bosses for holes 122 which facilitate the I positioning of leg enclosures as hereinafter described.
It is noted that the holes 122 in the sleeve exposed both at the top of the sleeve and through the slot 120 are eight in number and equally circumferential spaced Betty 'he sleeve. The spacing of adjacent holes is also equal to the spacing of the holes in the top and bottom ears of the Levis 114. Thus to secure the beam 40 to the post, a spacer 132 is inserted between the ears -providing a visual an sound seal. The spacer is provided joy an interior arcuate surface riding against the OLD. of the sleeve The beam is then inserted with the top ear US over the top of the sleeve and the bottom ear 116 in the slot 120. Elongated fasteners seen at 134 and 135 then extend downwardly through the holes 117, the selected holes 122, and are threaded into the holes 118 in the bottom ear not only to pin connect the beam to the sleeve but also t-o clamp the beam to the sleeve.
An additional beam as seen at 137 may also ye connected to the leg and if at right angles as illustrated, the beam would be similarly connected to the Tao holes 12 at the bottom of Figure 7.
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The electrical ducts 44 and 46 Welch are stacked one on top of the other on top of the beam 40 are provided access thrush or around the leg by means of a cage 140 and leg enclosures 141. The cage 140 is perhaps seen more . S clearly in figure 4. The cage is simply a transverse - opening through the leg as provided by spacers 143 through which the fasteners 128 pass. The spacers vertically space the disc 105 on the bottom from the disc 144 of the post extension socket 145 on the top. The post extension 52 is then simply threaded into the socket 145 through air-cuter leg cap 146. If the posy extension is not elude, ye hole in the circular leg cap may be closed by cove or plug 147. As seen more clearly in Figure 4, four such fasteners 128 and spacers 143 are employed to form the cage I opening trough the leg, such cage being at the same elevation and forming a continuation through the leg of the lower electrical duct I
The lower duct is preferably rewired and - junction boxes may be provided in the beams adjacent. the legs with flexible jumpers connected there between as seen -at 1~8 in Figure 4.
the Beam referring now additionally to Figures 5 and 6, each beam 40 is a fabricated welded assembly which in-25 eludes main side plates 150 and 151 seen in Figure S
itch are bent to the somewhat rounded shape seen at 152 both top and bottom. The plates then extend inwardly recessed from tune top and bottom vertical edges as indicated at 153 and are flanged toward each other as seen a 154 and welded together as indicated at 155 and 156 The main frame members of the beam thus form recessed channels both top and bottom of the beam as indicated at 157. The top recess accommodates the housing for the ducts I and 46 while both the top and bottom -14- 12~ZX
recesses permit covers lS9 and 160 to be snapped over the side frames of the beam. The beam frames are also interconnected by transverse flanged rigidifying elements 162~ The side frame elements are connected at each end Jo an end plate 164 to which each Levis 114 is secured.
The en plate actually extends between the ears ox the Levis with the main vertical portion of the Levis being inside the end plate.
As indicated in Figure 6, each beam near its - 10 end may ye provided with a vertically extending wiring duct seen at 166. Each such vertical duct may be former by ~elairg tosetner the flanged channel-shaped plates 167 and 168. Such vertical duct may extent at one end to the bottom of the duct 44 and at the other end to the bottom of the upper communications duct 46. Such aunts ~ccomodate wiring extending from the floor through the leg enclosures 58 as seen in Figure 1.
The wiring ducts 44 and 46 are formed from two extrusions seen more clearly in Figure 5 at 170 and 771. Each extrusion includes a horizontally extending - top 172 having an inside screw receiving boss seen at '73 adjacent the edge or opening 174. The top 172 extends - Jo a rounded corner 175 and then through an outwardly inclined sidewall 176 terminating at recess 177. The US wall of the extrusion then extends vertically downwardly . a 178 and then inwardly at 179 with a screw receiving boss being provided on the interior of the wall 179 as seen at 180. The wall of the extrusion then continues downwardly as seen at 181 to terminate in bottom wall 182.
- 30 the optima wall extends both inwardly and outwardly with the outer extension terminating in an upwardly extending hoot receiving flange 18~ forming with the wall 181 and its upper outer extension 179 a hook receiving channel for ~cces~ories. The bottom wall 182 also extends inwardly 35 end is offset upwardly as indicated at 184 to be joined - as by welding with the abutting edge of the bottom wall ox the opposite extrusion as seen at 185.
:12~8~322 Each extrusion also includes a horizontally extending shell projecting inwardly from the recess 177 as seen at 187 with the abutting edges of the shelves being joined as by welding at 188. The shelves then form a puritan between the lower duct 44 and the upper duct 46. The duct forming extrusions are secured to the top of the beam by fasteners not shown It can be seen that the upper duct 4 6 is sub-staunchly laterally enlarged as compare to the lower duct 44 arid may be provided with lateral access as indicated a 49 or lay-in or top access as provided by the opening between the spaced edges 174. the top opening may be closed by an elongated snap-in cover 189 seen in Figure 4 which may itself have strategically arranged smaller openings. The lower duct 44 is provided with lateral-access only through rewired receptacles not shown in Figure S.
- As seen by the transverse section ox Figure 5, the stacked ducts one on top of the other provide a Z0 laterally enlarged top duct for communications wiring waving bath lateral and top o~enillgs. The enlargement ox the duct enables the duct readily to accommodate a sub-staunchly volume of communication wiring including rather bulky items such as PHENOL connections. The stacked ducts have the several configuration of an enclosed with a laterally enlarged stem. The screw bosses 180 and 173 may be employed to secure to the end of the ducts transition or miter joint castings seen at 190 and 191 in figure 6. Such transition castings or enclosures may also be secured to the beam through the slotted flanges seen at 192. Such transition enclosures will be used at each one of the beam as the beam is connected to the leg to form it the leg enclosures the continuous ducts -through the beams and the legs. The transition castings will also be used at the beam-to-beam connection.
lid Beam Connection Referring now to Figures 5, 6 no 14, it will be seen that each beam at its center is provided with two transverse flanged reinforcing members 195 and 1~6 Jo which and between which are connected mid-beam mounting brakes 1~7 and 198. Such mounting brackets are provided with outturned else flanges seen at 200 an 201 which are welded to the transverse elements 195 and 196, respectively. Each mounting bracket also includes an outwardly turned top and bottom flange as seen at 202 an 203 in Fissure 5 each provided with a pair of holes seen - at 204 and 205. Such holes have the same spacing as the holes in the Levis ears 115 and 116. Such holes are provided in both the top and bottom flanges 202 and 203.
Also secure between the reinforcing elements l9S art 196 is a mounting pad 210 which has downturn flanges 211 and 212 secured to the interior of the Lein~orci~g members 195 and 136, respectively As indicated, toe top surface of the mounting pad is provided with four tapped holes seen at 213. The holes receive the listeners 128 which extend through the flange L44 ox post extension socket 145 and through vertically elongated spacers 143 to form a cage through which the wiring of duct 44 extends at the beam-to-beam junction. The parts forming the cage supporting the posy extension are the same was employed in connection with the leg seen in Figure 3.
In addition to the holes 204 and 205 in the mounting bracket flanges, further aligned holes are provided in the beam frame elements so that elongated fasteners 13~
and 135 may extend entirely through the edge of the beam.
The fas~er.ers are the same as employed in Figure 3.
-17- ~LX18~3~2 To form the mid-beam connection, a section of the duct seen at 218 in Figure 14 is removed from each side of the beam and a section of the cover may also be removed exposing the holes 219 and 220 in the top of tile berm. The transition or miter joint elements of the ducts are then secured in place as seen at 190 and lgl. The end of a further beam is then secured to the midpoint of the beam using the fasteners 134 and 135 extending through the end Levis of the further beam The fasteners simply thread into the bottom ear of the Levis pin connecting and clamping the end ox - one beam Jo the midpoint of another. If the post extension 52 is employed in connection with the threaded Seiko 145, the cap 146 is employed with the hole therein.
If not, the cap is closed with the plug or cover 147.
It is noted that the case formed at the mid-beam post extension support is of essentially the same construction - as the case at the beam-leg-connec~ion and the flange 144 of the socket is subjacent the partition formed by the extrusion webs 187 partitioning the ducts through the miapoini connection in the same manner as I the leg.
Lea Enclosures Referring now to Figures 8 through 13 it will - 25 be seen thaw the ducts may be enclosed at the leg through the employment of housing sections which may be circular segments Ox either 90 or 45. Figures 8 through 12 illustrate in detail a 90 segment isle Figure 13 thus-trades the 45 segment. The 90 enclosure or casting seen at 230 is a 90 circular segment having a radial section substantially similar to the transverse section of the ducts 46 end 44. The casting induces a top surface 231 wit a rounded corner 232 and an outwardly incline swaddle 233. Toe sidewall terminates at cylindrical wall US 234 which extends cylindrically vertically to exterior shoulder 235.
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Projecting below the shoulder is a series of four tines seen at 236, 237, 238 and 23~. The lower else of the tines is relatively sharp as indicated at 240 and the inside lower edge of each tine is provided S with a wedge or pilot surface Z41 Also, the inner edge of the outer tines 236 and 239 extends substantially shoddily us seen at 242 and 243 rather than radially.
Also, circumferential spacing between the tines varies significantly with the gaps 244 and 245 being significantly terser than the center gap 2~6. As seen more clearly in Figure 9, the Hines are somewhat larger Han the wall sicken 23~ The inner wall section from the step 247 extends wordily to shelf 248 which has the profile configuration seen more clearly in Figure 8.
The profile configuration consists of two semi-circular projections 250 and sly alternating between half recess 252, full recess 253 and half recess 254. The pro-Geoscience 250 and 251 are provided with two fastener receiving holes centered therewith as seen at 255 and 256.
The lace of the 90 casting or enclosure is provided with an appearance recess 258 which gives the catting the appear-ante of being two juxtaposed 45 castings or enclosures.
In Figure 13 there is illustrated a ~5 casting or enclosure 26q which is essentially one half of the casting 230 The casting includes a single aperture 261 in tune symmetrical projection 262 of the shelf 263 The casting or enclosure may be provided with the feet or tines seen for one half of the casting 230 in Figures 11 and 12.
In fact, tune casting 260 may be formed by simply cutting the casting 230 in half.
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Re~erxing back to Figure 7, it will be seen thaw the lines or feet of the castings are designed to Kit within the exposed recesses 131 in the upper end of - ' the sly 103. Thus the enlarged spacings 244 and 245 are designed to accommodate the screw hole bosses while the smaller spacing 246 is designed to accommodate the relatively thinner web 130. The beveled or wedge edges of the tines 241 permit the same to be driven snugly into proper piloted position between the transverse enlargements ox the webs 126 and 130 seen at 265. when properly seater in the recesses, the exterior wall 234 is an extension ox the exterior of the sleeve 103. The apertures 255 and 25 in the 90 casting and 261 in the 45 casting may key employed with the threaded openings 267 in the flange 144 to secure the casting or housing to such flange with the protecting shelf 248 forming with the flange a partition;
a the leg button two vertically superimposed ducts.
The recess 253 accomoaates the head of the precutting fastener 128~ ' -, referring now to Figures 19 through 24, it Jill be teen what asset of toe full an half castings is used to enclose the wiring at the beam connection. The same castings may be used in different combinations for all beam connections.
25 , _ In Figure 19 or a simple end connection, three 'castings 230 may be employed as seen at 270, 271 and 272. Such castings will be employed in addition to the ' miter or transition castings 190 and 191. The end arrange-, mint as seen in Figure 19 provides a completely enclosed circler enclosure around the post extension above the sleeve of the leg and the lower duct having a radial dimension as seen at 274.
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. ` :L218~322 In Figure 20 two 45 or half castings may be employed as indicated at 276 arid 277 to connect the bets as indicated. The two beams at the right of Figure 20 ore 90 to each other and both are 135 from the beam at the left In the arrangement of Figure 21, two half castings or enclosures are employed as seen at 278 and 279 while a full casting is employed at 280 to form the 135 connection shown.
- In Figure 22 one full casting is employed at 282 Jo form the three-way connection at the leg.
In Figure 23 for the straight connection shown, -- two Suit castings are employed on opposite sides of the leg.
or the 90 connection of Figure 24, two full castings are employed at 2~6 and 287 together forming a 180 enclosure for ye right angle connection Sheehan at the leg. It will be appreciated that two half castings may be employed in lieu of a single full casting. In any event, the Sinatra line in the full casting seen at 258 makes all combinations appear Jo be made up of 1/8 circle components. A four-way connection with beams extending from a single pustule use no castings at all but simply the miter or transition castings.
It any event, a fully enclosed duct through the leg is provided both for the power wiring below and : 25 the communication wiring above.
Component Mounting Brackets referring again to Figure S and additionally to Figures 15 and 16, it will be seen that components such as worn surfaces, desk tops and the like may be suspended from the beam by use of the mounting brackets seen in Figures 5, 15 and 16. As indicated, the top ox -21- ~188Z~
the structure beam worms a recess lS7 in which the extrusions forming the ducts 44 and 46 are situated. The walls 179 and 181 ox the duct together with the pro-jetting hook 183 for a recessed hook receiving channel S such as seen at 290. The channel extends inwardly and then downwardly from the face of the beam and duct with the undersurface of the wall 179 forming a height restriction in the channel.
A work surface or other accessory 292 is supported lo on the upper surface of projecting bracket 2~3 seen in more detail in Figure 16. The bracket 293 includes a formed I- metal structure which includes vertically extending triangular sidewalls Z94 and 295 connected at the underside - ox the urea or distal end by web 296 which is provide 7.7i~h a hole or a fastener as seen at 297. The upper edges of _ the walls are co-planar and provide a mounting surface for a desk top or the like. A formed metal strip 299 is received in the Casey 300 and 301 formed in the upper proximal edge of the projecting bracket and the metal ski is provided with holes 302 also for accommodating fasteners such as screws to secure the top ox desk Ursa 292 whereto. the sidewalls are welded to a vertically - extending sleeve 304, the walls of which are provided With a diametrical hole seen at 305.
The sleeve 304 closely fits over tube 308 to slide vertically therealong,such tube also being provided 7~7ith a series of vertically spaced diametrical holes 30~.
eluded to the top of the tube 308 is a hook 310. The hook is somewhat triangular in shape and extends from the top of the tube normal to the transverse axis of the holes 309 and along its projecting edge includes a detrained Cook flange 311.
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` 1~18822 I
On top of the hook 311 there is provided a rotating locking tab 313. The hook is provided with a small venture 314 and the locking tab includes a locking button 315 which snaps through the aperture 314 to lock the locking tab to the top face of the hook The locking tax, Hoover, can be rotated about the axis of the tube 30~ us seen in Figure 5, when the locking tab 313 is notated into the position shown, it acts as a shim between toe top of the hook 310 and the underside of the recessed slot formed by the surface 17g thus precluding the hook from being disengage with the recesses hook receiving channel 290. In order to remove the hook or replace the hex, the locking tab must be rotated out of the way.
The lower end of the-tube 308 as seen in Figure I 5 is provided with an adjustable horizontally extending Sue or blooper 317 which is mounted on a threaded shank 318 threaded transversely in the tune 308. The projecting en of the shank includes a hex head 320 by which the shank may be rated to bring the tube 308 to a plum condition.
It the work surface 292 is not quite horizontal, the bumper o- stop may readily be adjusted to bring the wow surface Jo the desired horizontal position.
- The work surface and its supporting bracket 293 are supported on the vertical tube 308 by the I employment of the pin seen at 322 in Figure 16. The spin extends through the holes 305 and the selected aligned holes 309. The pin may be held in place by a cotter pin extending through the transverse hole 323.
- As indicated in Figure 1, normally two such bracket assemblies Jill be employed to support cantilever accessories from the beam. Similar bracket assemblies may be employed to support other accessories such as file cabinets and storage components.
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1~8~32Z
Superstructure Framing Referring no to Figures 17 and 18, it will ye seen that each of the post extensions 5Z as well as the simulate larger ceiling ducts 59 may be provided wit vertically spaced sets of discs as seen at 325.
The disc sets induce Zen upper disc 326 and a lower disc 32~ with a spacer 328 here between The discs and spacer are secured to the post extension.
- 10 As seen more clearly in Figure 18, the rails 54 comprise two angles 330 and 331 with the top flanges being co-planar and slat folded beneath themselves as seen a 332 and 333. This provides a somewhat enlarged rounded lateral edge on the rail as indicated at 334 lo as jell as a double thickness closely less than the spavins the discs. The vertical webs of the angles are slightly horizontally spaced to provide a vertical centerline slot tllerebetween as seen at 335. The vertical webs are inwardly - dimpled at 336 and 337 and the dimples are welded to each other. the vertical slot 335 between the dimples thus e~tenas completely vertically through the hanger bar.
At each upper end of the hanger bar the vertical webs are notched as indicated at 340 and clinched together Betty a printed tipped screw 341~ In this manner the flat US -*older top webs fit snugly between the discs 326 and 327 and eye set screw 341 is employed to bite into.tlle under--side of the luger disc 327 clamping and holding the horizontal rail in place. The flat folded upper webs may be mitered as indicated await so that the rails may I end from the post extension in the same manner in itch the beams extend from the legs. Components such as the enclosure or cabinet 76 or 94 may be supported from the rails by hooks 344 secured to the rail in the manner I I
.
indicated The hooks include the downwardly extending Cook portions on the outer end as seen at 345 and a Yen-Cole downwardly extending latching flange as seen at 346 which fits within the slot 335. The upper or channel-shape portion of the hook 347 closely conforms to one side ox the rail and to be removed it must be listed vertically.
Exemplary Layouts As indicated, the beams may come in certain lengths and modules such as 1.83, 2.44 or 3.05 meters Rich would correspond to 6, 8 an 10 feet, respectively.
figure 25 illustrates a linear system showing three beams 3S0, 351 and 332 supported on four posts 353, 354, 355 and 356 long one side ox toe beam cantilevered worn I surfaces ore provided at 357 with the square symbols 358 resDresenting chairs. On the opposite side of the beam six work swoons are also provided which may comprise somewhat -smaller cantilevered work surfaces seen at 360 and longer single leg supported work surfaces seen at 36i. Because of the ability to vary the height of the work surface with respect Jo the beam, the smaller cantilevered work surface - - 360 extends beneath the longer leg supported work surface 361 as, seen at 362. In this manner up to 12 work stations of either type may be accommodated along the - linear arrangement of three beams.
As seen-in Figure 26, seven beams of an intermediate length such as 2.44 meters are arranged in the octagonal configuration. One side of the octagon - is open as seen at 370 and the center may be provided with a conference table as seen at 371. Such arrangement permits a seven person work station with each person worming at a relatively long cantilevered desk top seen at 37Z.
~X~8~;~2 witting between the longer cantilevered desk tops are special purpose tops 3i3 which may use the same hook support brackets seen in Figures 15 and 16 with one each being secured to contiguous beams. The brackets 293 are secured Jo the underside of the work surface to extend normal to the respective connecting beam. The enclosed arrangement of Figure 26 requires eight legs.
In Figure 27 there is employed three longer beams seen at 376, 377 and 378, two mid-length beams seen a 379 and 380, and two relatively short beams 381 an 382 connected between posts 383 and 384 and the midpoint of the beams 376 and 378, respectively. As indicated, the arrangement may provide a variety of work stations and work surfaces.
In Figure I there it employed a layout using a oily ox eight relatively short beams to provide a fairly enclosed area seen at 386. Such enclosed area includes four cantilevered work surfaces. The larger worn surface 387 extends the entire length of the beam isle the two smaller surfaces 388 and 389 are shortened Jo pry for the additional or fillet work surface 390.
The opposite side of the beams provide alcoves seen at 3g2 and 393 which may provide either two or three work stations along the cantilevered work surfaces.
Figure 28 provides a total of eight work 25 . stations along opposite sides of the relatively zig-zag configuration of the intermediate length beams seen at 394, 39S, 396 and 397. The four beams, of course, - require five legs. The work stations may include drawer or storage cabinets seen at 398 and the fillet tables may be of a circular configuration as seen at 399, if desired.
-26- 8~22 It will be appreciated that the arrangements available are essentially endless It can now be seen thaw there is provided a space diviner system having improved horizontal and S vertical flexibility and versatility, and with its fully enclosed wiring ducts for both communication and power wiring, provides the necessary wire management for a modern office interior.
Other moves of applying the principles of the invention may be employee, change being made as regards ye details descried, provided the features stated in any of the following claims or the equivalent of such be employee. . _
This invention relates generally as indicated to a space divider system and more particularly to certain improvements in a space divider system of the type disclosed and claimed in Canadian Patent No. 1,115,921 issued January 12, 1982, entitled "Space Divider System". This particular application is a division of Application Serial No. 477,199 filed March 21, 1985 which is a division of Application No.
454,399 of May 15, 1984 (Patent No. 1,191,319 of August 6, 1985). The latter application is a division of Application No. 428,469 of May 18, 1983 (Patent No. 1,177,622 of November 13, 1984) which is, in turn, a division of Application No.
359,230 of August 28, 1980 (Patent No. 1,150,031 of July lo, 1983).
BACKGROUND OF THE INVENTION
In such prior Canadian patents there is disclosed a unique space divider system for open office interiors, the major component of which is a structural beam supported from posts at each end stabilized by projecting feet. The beam itself constitutes a wiring raceway and includes a race-way on the top thereof open through a lateral slot above work surface height. The posts or legs for the beam are pro-voided with apertures or mounting brackets to which the ends of the beam are connected. The mounting brackets project from the surface of the post and different post configure anions are required depending upon the number of beams con-- netted to the post.
In modern office interiors, the use of power driven machines is rapidly increasing. Moreover, communications systems are becoming quite complex and management of power and communication wiring in a modern office is a significant and continuing problem. Many codes require fully enclosed wiring ducts. For simplicity, both communication and power wiring should be available superjacent work surface height and readily available to work surfaces or station such as word processing stations or computer terminals.
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I .
Also, for cost effectiveness, it is important to provide the required wire management for energy and communications requirements while still providing a high degree of horizontal and vertical flyable with commonly used components thus reducing the overall cost.
Satyr OF THE INVENTION
The system of the present invention provides fully enclosed communications and power wiring ducts superjacent the work surface on top of a supporting spine or structural backbone to enable effective use of the increasing number o, machine and communication devices found in the modern office. In addition, the system provides a wide variety of-options in the enclosure of - spice providing a very high degree of both horizontal and vertical flyability.
The major component of the system is a structural beam which may come in a variety of lengths supported by posts at each end. lateral stability, where require, - is provided by projecting feet which extend from one or both sides of the posts. The beams are provided With an optional midpoint connection which may be used further to divide the beam module. The height of the beam in-eluding the integral wiring ducts on the top thereof may be adjusted vertically and the work surfaces supported : 25 my the beam my be adjusted with respect to the beam - within a certain range.
The two ducts on the beam are fully enclosed with the duct for the communication wiring being above the duct for the power wiring and also being laterally enlarged.
The power wiring duct is rewired with outlets ox both sides Nile tune communication wiring duct may include - both lateral access and also top or lay-in access.
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I 12~8822 The legs supporting the beams have a smooth exterior surface that permit the beams to be connected thereto at a wide variety of angles Accordingly, only a single leg construction need be provided regardless of the angular position of the beams extending therefrom.
Enclosures an fillets for the beams and legs permit the ducts to pass through the legs fully enclosed. The power wiring passes through a cage on toe top of the leg while the communication wiring passes around a reduced diameter I posy extension, if employed. Enclosures for the top of the leg facilitate the wiring bypass of the leg.
- As indicated, each beam may be provided with a midpoint connection so that one beam may be connected to Lana extend normal to another beam without a leg beneath --- 15 the point of connection. Again fillets-are provided to - insure that the ducts are enclose from beam to beam.
Above the ducts, extensions of the leg or posts are provided from which hanger bars may be secured for supporting further accessories or acoustical panels.
Wiring to the-ducts may enter the system from the floor or ceiling adjacent the legs or through post extensions, - respectively.
Accessories such as work surfaces are provided quickly to hook into a recessed hook channel in the beam, I such accessories having a movable locking tab. In one . position the locking tab acts to maintain the hook of the accessory in the channel while the other position of the tab permits the insertion and removal of the hook.
The assembly of the legs and beam is accomplished in a few minutes with very simple tools. The beams may ye added to or removed from the system with no disturbance to the rest of the system.
~882X
A system of quarter-circle castings is employed to enclose the wiring at the beam and leg connections and the same or similar castings are employed in a variety of come binations for all beam connections. The aforementioned mid-beam connection may use the same fastening points as the post connection and accordingly, the beam module may either be connected to a post at the selected angle or to a mid-beam connection.
Accordingly, it is seen that the invention pro-vises a space divider system utilizing common module coupon-ens which may be interconnected in wide variety to provide both the horizontal and vertical flexibility desirable in an open office space divider system.
In this particular divisional application the in-mention relates to a space divider system comprising as a major component a structural beam, legs supporting the beam at substantially work surface height an enclosed electrical duct on top of the beam, and removable sections of the duct near the center of the beam to expose the beam for connect lion of the end of another beam thereto.
tam/ -4-38~2 Tile hollowing description and the annexed ~rawlngs set forth in dct~il certain illustrative embodiments of the invention, these being indicative, however, of but a few of the various ways in which the principle of the invention may be employed.
I- BRIEF DESCRIPTION OF TOE DRAWINGS
In said annexed drawings:
Figure 1 is a side elevation of a space dividing system in accordance with the present invention;
Figure 2 is a top plan view of the system of figure 1 as seen from the line 2-2 thereof;
. figure 3 is an eluded view in perspective and broken away of tune beam-leg connection of the present invention;
so I
12~882;~
Figure 4 is a prosecute broken owe viol illustrating the wiring assay p2ssag~s Thor e leg for a 90 team connection Figure S is an enlarged Rockwell section through the team illustrating the Norway in itch us tops and the like are supported from the beam;
. Figure 6 is a top plan vie broken way of the mid-heam~to beam cc~nection;
Fuzzier 7 itch appears on the same sheet as Figure 3, is an neared top plan View of the l~eam~to-leg connection;
Figure 8 is an enlarged top plan of a 90 duct enclosure a the leg;
Fugue 9 is a side elevation of the enclosure of Figure as seen fun the line 9-9 thereof;
Piggery 10 is a front elevation of the enclosure of Figure 8 as seen n the line ~-10 of Figure 9;
ig~2~e 11 is a horizontal section token prom the line 71-11 of Figure 10;
: Figure 12 is a hor_zont 7 section taken fry the lode 12-12 of Figure 10;
Figure 13 is a view similar to Figure 8 of a 45 duct enclosure at - the leg;
ire 14 is an exploded perspective vie of the mid-bezm cornec~icn;
- Figure lo Nash appears on the save sheet as Fissure 4 along with Figures 16-18, is a broken enlarged perspective view of a desk top support brace used ~nLth the present invention;
Figure I is an exploded vow broken away illustrating the wanner ion Wig the desk top is secured to the bracket;
inure 17 is a retail broken aye and in section ox the manner in icky hawser kens are secured to post extrusions;
Figure lo is a tail section of the hawser b æ illustrating a circa ~Fnent hoot received therein;
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Figures 19-24, which appear on the same sheet as Figure 13, are fragmentary top plan views of a variety of bcam-leg connections which may be employed with the present invention using the cnclos-- use I Figure ~-13; and S Figures 25-29 are schematic top plan views of some of a variety of layouts which may be formed with the present invention.
DESCRIPTION OF TIRE PREFERRED EMBODIMENTS
Referring first to Figures 1 and 2 it will be seen that the components of the space divider system may be used to support a wide variety of components or accessories such as desk tops, both cantilevered and leg supported, shelves, storage comport-mints, paper organizers drawers and files, light fixtllres, sound absorbing panels or cushions, or window slots.
The major component of the system is horizontally extending beam seen at I which may be provided in a variety of length modules The beams are supported at each end by legs 42 or one beam Jay be connected to another beam at a beam median as hereinafter discord The top of each beam as indicated at 43 is designed to be substantially at work surface height an on top ox the beam superjacent such work surface height are two enclosed electrical ducts seen at 44 and I one on top ox the Lowry accomoda~ing power and communication wiring respe~ti~ely. The top communications wiring raceway 46 is laterally enlarged and includes a top access cover 48 so that communications wiring may be laid into the top of the raceway 46 Roth raceways may be provided with lateral outlets seen a 4g and 50. The power raceway I is preferably rewired and the lateral access thereto is provided through conventional outlets 50.
1~8822 The legs, as hereinafter described, include horizontal access or passageways for both wiring ducts and such legs may support post extensions 52 extending above the ducts between which are connected hanger bars 54 S from which the various upper components of the present invention may be secured.
IJi~ing to the ducts may originate either in the ceiling US or the floor I If wiring originates in the 100r as indicated at 57 it may extend to the ducts through wiring covers 58 secured to the exterior of the leg_ It it originates in the ceiling 55 it may extend through slightly enlarged tubular post extensions 59.
The post extensions 52 are hollow and may Allah be employed to support lighting fixtures 60 and 61 I providing ambient lighting.
In tune particular linear system seen in Figures 1 - an 2, reading from right to left, there is shown four suck legs 42 as seen at 62, 63, 64 and 65. The less 63 and I as well as 64 and 65 are interconnected by teams 40 ox different length modules as seen at 66 and 67.
The legs 62 and I are interconnected by a relatively short module length of ducts 46 and 44 which are supported on a relatively shallow channel or frame spanning the legs 62 end 63 and connected thereto in much the same I manner as the beams as hereinafter described. Because - . . ox the en.. ployment of the duct only between the legs 62 and 63 and the lack of a structural beam, components such as desk tops, storage units and the like cannot be supporter from the divider system at such point.
Extending from the top edge of the beam 66 is a Ahab or desk top 72 josh is supported from the beam by a hook received and a recessed hook channel and at its distal end my a single vertically adjustable leg 73 similar in appearance to the leg 63. It is noted that the outlets for both the electrical and communication ducts are immediately superjacent the York surface of the essay or table 72 ~2188Z~
go . adjacent the table 72 a relatively small tray or York surface seen at 74 projects from the beam which can be used as a paper tray or to receive a telephone or small dictating machine, or example. Adiaçent the tray 74 is a two-unit drawer system seen at 75 which extends in cantilever fashion from the beam 66.
Moving to the next module, suspended -from the second rail 54 is an overhead storage unit or cabinet 76.
A paper organizer or compartmental wiling system may be I suspended and project from the next lower horizontal rail as seen at 77. Cantilevered from the beam 67; storage bins seen at 78 and 79 may be provided. Adjacent the bin 79 there is secured to the beam 67 a cantilever work surface 81 which is supported on brackets 82 and 83 secured to the 15 beam in a manner hereinafter described Again the top of the irk surface has the outlets from the wiring ducts 46 an 44 immediately there above.
It is noted for illustration purposes only that the floor 56 beneath the leg 65 is somewhat lower than the 20 Lowry beneath the leg 64. Because ox a height adjustment - incorporated in the legs, the beam 67 cay nonetheless be positioned horizontally. Extending between the legs 64 and 65 is a fill panel 85 which may, if desired, eighteen all the way to the floor with the lower edge compensating Z5 for floor irregularities. The cantilevered tops such as desk top 81 may themselves be provided with a vertical adjustment with respect to the beam and the beam itself may be vertically adjusted through a Siam more narrow range to compensate for not only the floor 30 irregularities noted, but also to raise or lower the Hogan ox the beam.
`` -10- 1Z~1~822 Each be is provided with an optional midpoint connection as seen at 88 with the midpoint connection of the beam I being utilized while the midpoint connection of the beam 66 is not. When utilized a further beam seen S at 90 may ye connected Jo the midpoint of the beam to extent normal thereto. In such situation, there is no leg suppor~lng the midpoint of the beam 67 or the end of the beam 90. Additional beams seen at 91 and 92 may be connect-Ed to the leg 62 and 65, respectively with the upper struck sure supporting either acoustical panels seen at I or overhead storage cabinets seen at I the cabinets 94 and 76 may be the same. The acoustical panels or cushions I are supported from the rails 54 and serve not only visually Jo block the-area above the beams and ducts, lo but because of their structure utilizing fabric over - cushion material, the serve as visually sot sound absorbing or sound deadening panels Such panels may vary in shape and as indicated at 95 and 96 window slots may ye provided below somewhat more narrow awakes-tidal panels 97.
In the illustrated embodiment the superstructure provided by the post extensions So and rails 54 may provide three levels. Preferably only the first two levels are used for shelf or storage component loads while the third level is used only or acoustical panels or non-eccentric loading such as provided by the ambient lights 60 and 61.
~eq-Beam Connection - Referring now to Figures 3 and 7 it will be 'seen that the main structural component of the leg 42 is a vertically emending square tubular post 102 surrounded by an extruded aluminum cylindrical sleeve 103. The top of the post 102 is provided with a nut into which a .
flanged leveling screw 104 is threaded, with the flange supporting circular disc or plate 105 secured to the top of sleeve 103. The diameter of the top plate or disc lo is somewhat smaller than the outside diameter of the S sleeve and in any event by rotating the adjusting screw 104 the vertical position of the sleeve on the post may be altered as indicated.
The bottom of the post is prove with a further disc 106 which is secured by fasteners 107 to a foot 10~3. Glides 109 and 110 may be provided beneath each end of the foot to facilitate movement over floor surfaces such as carpeting. A flexible bellows 111 provides an appearance cover or closure between the variable lower end of the sleeve 103 and the foot 108.
-I lo - The end of each beam 40 is provided with a rigid _ vertically enlarged Levis seen at 114 which induces projecting top and bottom ears 115 and 116. The top ear is provided with two through holes 117 while, the bottom ear is provided with topped through holes 118. The pricking end of the ears is provided with an arcuate ego as teen at 119 corresponding to the OLD. ox the disc lost The top ear is designed to fit over the top of the sleeve 103 snugly adjacent the OLD. of the disc as seen more clearly in Figure 7 while the bottom ear 116 fits within slot 120 in the sleeve 103. The slot 120 is of , the same depth as the OLD. of the disc lost As seen more clearly in Figure 7, the sleeve 103 includes a total of eight equally spaced vertically extending holes on the inside of the outer shell or cylinder 123. The exterior of such cylinder from the top to the bottom of the sleeve, with the exception of the slow 120, is a smooth circular cylindrical surface.
Toe sleeve also Claus four inwardly extending vertical quadrant spaced webs 126 which terminate in enlarged kisses i27 providing holes for fasteners 128, such bosses each including laterally enlarged flat vertical surfaces 129 bearing and sliding against the four flat faces of the square posy 102. The sleeve ma be provided with additional internal risidifying ribs as seen at 130.
The ribs 130 and webs 1~6 form upwardly facing recesses - 131 with the bosses for holes 122 which facilitate the I positioning of leg enclosures as hereinafter described.
It is noted that the holes 122 in the sleeve exposed both at the top of the sleeve and through the slot 120 are eight in number and equally circumferential spaced Betty 'he sleeve. The spacing of adjacent holes is also equal to the spacing of the holes in the top and bottom ears of the Levis 114. Thus to secure the beam 40 to the post, a spacer 132 is inserted between the ears -providing a visual an sound seal. The spacer is provided joy an interior arcuate surface riding against the OLD. of the sleeve The beam is then inserted with the top ear US over the top of the sleeve and the bottom ear 116 in the slot 120. Elongated fasteners seen at 134 and 135 then extend downwardly through the holes 117, the selected holes 122, and are threaded into the holes 118 in the bottom ear not only to pin connect the beam to the sleeve but also t-o clamp the beam to the sleeve.
An additional beam as seen at 137 may also ye connected to the leg and if at right angles as illustrated, the beam would be similarly connected to the Tao holes 12 at the bottom of Figure 7.
-13- 12~8~2~ .
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The electrical ducts 44 and 46 Welch are stacked one on top of the other on top of the beam 40 are provided access thrush or around the leg by means of a cage 140 and leg enclosures 141. The cage 140 is perhaps seen more . S clearly in figure 4. The cage is simply a transverse - opening through the leg as provided by spacers 143 through which the fasteners 128 pass. The spacers vertically space the disc 105 on the bottom from the disc 144 of the post extension socket 145 on the top. The post extension 52 is then simply threaded into the socket 145 through air-cuter leg cap 146. If the posy extension is not elude, ye hole in the circular leg cap may be closed by cove or plug 147. As seen more clearly in Figure 4, four such fasteners 128 and spacers 143 are employed to form the cage I opening trough the leg, such cage being at the same elevation and forming a continuation through the leg of the lower electrical duct I
The lower duct is preferably rewired and - junction boxes may be provided in the beams adjacent. the legs with flexible jumpers connected there between as seen -at 1~8 in Figure 4.
the Beam referring now additionally to Figures 5 and 6, each beam 40 is a fabricated welded assembly which in-25 eludes main side plates 150 and 151 seen in Figure S
itch are bent to the somewhat rounded shape seen at 152 both top and bottom. The plates then extend inwardly recessed from tune top and bottom vertical edges as indicated at 153 and are flanged toward each other as seen a 154 and welded together as indicated at 155 and 156 The main frame members of the beam thus form recessed channels both top and bottom of the beam as indicated at 157. The top recess accommodates the housing for the ducts I and 46 while both the top and bottom -14- 12~ZX
recesses permit covers lS9 and 160 to be snapped over the side frames of the beam. The beam frames are also interconnected by transverse flanged rigidifying elements 162~ The side frame elements are connected at each end Jo an end plate 164 to which each Levis 114 is secured.
The en plate actually extends between the ears ox the Levis with the main vertical portion of the Levis being inside the end plate.
As indicated in Figure 6, each beam near its - 10 end may ye provided with a vertically extending wiring duct seen at 166. Each such vertical duct may be former by ~elairg tosetner the flanged channel-shaped plates 167 and 168. Such vertical duct may extent at one end to the bottom of the duct 44 and at the other end to the bottom of the upper communications duct 46. Such aunts ~ccomodate wiring extending from the floor through the leg enclosures 58 as seen in Figure 1.
The wiring ducts 44 and 46 are formed from two extrusions seen more clearly in Figure 5 at 170 and 771. Each extrusion includes a horizontally extending - top 172 having an inside screw receiving boss seen at '73 adjacent the edge or opening 174. The top 172 extends - Jo a rounded corner 175 and then through an outwardly inclined sidewall 176 terminating at recess 177. The US wall of the extrusion then extends vertically downwardly . a 178 and then inwardly at 179 with a screw receiving boss being provided on the interior of the wall 179 as seen at 180. The wall of the extrusion then continues downwardly as seen at 181 to terminate in bottom wall 182.
- 30 the optima wall extends both inwardly and outwardly with the outer extension terminating in an upwardly extending hoot receiving flange 18~ forming with the wall 181 and its upper outer extension 179 a hook receiving channel for ~cces~ories. The bottom wall 182 also extends inwardly 35 end is offset upwardly as indicated at 184 to be joined - as by welding with the abutting edge of the bottom wall ox the opposite extrusion as seen at 185.
:12~8~322 Each extrusion also includes a horizontally extending shell projecting inwardly from the recess 177 as seen at 187 with the abutting edges of the shelves being joined as by welding at 188. The shelves then form a puritan between the lower duct 44 and the upper duct 46. The duct forming extrusions are secured to the top of the beam by fasteners not shown It can be seen that the upper duct 4 6 is sub-staunchly laterally enlarged as compare to the lower duct 44 arid may be provided with lateral access as indicated a 49 or lay-in or top access as provided by the opening between the spaced edges 174. the top opening may be closed by an elongated snap-in cover 189 seen in Figure 4 which may itself have strategically arranged smaller openings. The lower duct 44 is provided with lateral-access only through rewired receptacles not shown in Figure S.
- As seen by the transverse section ox Figure 5, the stacked ducts one on top of the other provide a Z0 laterally enlarged top duct for communications wiring waving bath lateral and top o~enillgs. The enlargement ox the duct enables the duct readily to accommodate a sub-staunchly volume of communication wiring including rather bulky items such as PHENOL connections. The stacked ducts have the several configuration of an enclosed with a laterally enlarged stem. The screw bosses 180 and 173 may be employed to secure to the end of the ducts transition or miter joint castings seen at 190 and 191 in figure 6. Such transition castings or enclosures may also be secured to the beam through the slotted flanges seen at 192. Such transition enclosures will be used at each one of the beam as the beam is connected to the leg to form it the leg enclosures the continuous ducts -through the beams and the legs. The transition castings will also be used at the beam-to-beam connection.
lid Beam Connection Referring now to Figures 5, 6 no 14, it will be seen that each beam at its center is provided with two transverse flanged reinforcing members 195 and 1~6 Jo which and between which are connected mid-beam mounting brakes 1~7 and 198. Such mounting brackets are provided with outturned else flanges seen at 200 an 201 which are welded to the transverse elements 195 and 196, respectively. Each mounting bracket also includes an outwardly turned top and bottom flange as seen at 202 an 203 in Fissure 5 each provided with a pair of holes seen - at 204 and 205. Such holes have the same spacing as the holes in the Levis ears 115 and 116. Such holes are provided in both the top and bottom flanges 202 and 203.
Also secure between the reinforcing elements l9S art 196 is a mounting pad 210 which has downturn flanges 211 and 212 secured to the interior of the Lein~orci~g members 195 and 136, respectively As indicated, toe top surface of the mounting pad is provided with four tapped holes seen at 213. The holes receive the listeners 128 which extend through the flange L44 ox post extension socket 145 and through vertically elongated spacers 143 to form a cage through which the wiring of duct 44 extends at the beam-to-beam junction. The parts forming the cage supporting the posy extension are the same was employed in connection with the leg seen in Figure 3.
In addition to the holes 204 and 205 in the mounting bracket flanges, further aligned holes are provided in the beam frame elements so that elongated fasteners 13~
and 135 may extend entirely through the edge of the beam.
The fas~er.ers are the same as employed in Figure 3.
-17- ~LX18~3~2 To form the mid-beam connection, a section of the duct seen at 218 in Figure 14 is removed from each side of the beam and a section of the cover may also be removed exposing the holes 219 and 220 in the top of tile berm. The transition or miter joint elements of the ducts are then secured in place as seen at 190 and lgl. The end of a further beam is then secured to the midpoint of the beam using the fasteners 134 and 135 extending through the end Levis of the further beam The fasteners simply thread into the bottom ear of the Levis pin connecting and clamping the end ox - one beam Jo the midpoint of another. If the post extension 52 is employed in connection with the threaded Seiko 145, the cap 146 is employed with the hole therein.
If not, the cap is closed with the plug or cover 147.
It is noted that the case formed at the mid-beam post extension support is of essentially the same construction - as the case at the beam-leg-connec~ion and the flange 144 of the socket is subjacent the partition formed by the extrusion webs 187 partitioning the ducts through the miapoini connection in the same manner as I the leg.
Lea Enclosures Referring now to Figures 8 through 13 it will - 25 be seen thaw the ducts may be enclosed at the leg through the employment of housing sections which may be circular segments Ox either 90 or 45. Figures 8 through 12 illustrate in detail a 90 segment isle Figure 13 thus-trades the 45 segment. The 90 enclosure or casting seen at 230 is a 90 circular segment having a radial section substantially similar to the transverse section of the ducts 46 end 44. The casting induces a top surface 231 wit a rounded corner 232 and an outwardly incline swaddle 233. Toe sidewall terminates at cylindrical wall US 234 which extends cylindrically vertically to exterior shoulder 235.
EYE
Projecting below the shoulder is a series of four tines seen at 236, 237, 238 and 23~. The lower else of the tines is relatively sharp as indicated at 240 and the inside lower edge of each tine is provided S with a wedge or pilot surface Z41 Also, the inner edge of the outer tines 236 and 239 extends substantially shoddily us seen at 242 and 243 rather than radially.
Also, circumferential spacing between the tines varies significantly with the gaps 244 and 245 being significantly terser than the center gap 2~6. As seen more clearly in Figure 9, the Hines are somewhat larger Han the wall sicken 23~ The inner wall section from the step 247 extends wordily to shelf 248 which has the profile configuration seen more clearly in Figure 8.
The profile configuration consists of two semi-circular projections 250 and sly alternating between half recess 252, full recess 253 and half recess 254. The pro-Geoscience 250 and 251 are provided with two fastener receiving holes centered therewith as seen at 255 and 256.
The lace of the 90 casting or enclosure is provided with an appearance recess 258 which gives the catting the appear-ante of being two juxtaposed 45 castings or enclosures.
In Figure 13 there is illustrated a ~5 casting or enclosure 26q which is essentially one half of the casting 230 The casting includes a single aperture 261 in tune symmetrical projection 262 of the shelf 263 The casting or enclosure may be provided with the feet or tines seen for one half of the casting 230 in Figures 11 and 12.
In fact, tune casting 260 may be formed by simply cutting the casting 230 in half.
~18~2~
Re~erxing back to Figure 7, it will be seen thaw the lines or feet of the castings are designed to Kit within the exposed recesses 131 in the upper end of - ' the sly 103. Thus the enlarged spacings 244 and 245 are designed to accommodate the screw hole bosses while the smaller spacing 246 is designed to accommodate the relatively thinner web 130. The beveled or wedge edges of the tines 241 permit the same to be driven snugly into proper piloted position between the transverse enlargements ox the webs 126 and 130 seen at 265. when properly seater in the recesses, the exterior wall 234 is an extension ox the exterior of the sleeve 103. The apertures 255 and 25 in the 90 casting and 261 in the 45 casting may key employed with the threaded openings 267 in the flange 144 to secure the casting or housing to such flange with the protecting shelf 248 forming with the flange a partition;
a the leg button two vertically superimposed ducts.
The recess 253 accomoaates the head of the precutting fastener 128~ ' -, referring now to Figures 19 through 24, it Jill be teen what asset of toe full an half castings is used to enclose the wiring at the beam connection. The same castings may be used in different combinations for all beam connections.
25 , _ In Figure 19 or a simple end connection, three 'castings 230 may be employed as seen at 270, 271 and 272. Such castings will be employed in addition to the ' miter or transition castings 190 and 191. The end arrange-, mint as seen in Figure 19 provides a completely enclosed circler enclosure around the post extension above the sleeve of the leg and the lower duct having a radial dimension as seen at 274.
.
. .
. ` :L218~322 In Figure 20 two 45 or half castings may be employed as indicated at 276 arid 277 to connect the bets as indicated. The two beams at the right of Figure 20 ore 90 to each other and both are 135 from the beam at the left In the arrangement of Figure 21, two half castings or enclosures are employed as seen at 278 and 279 while a full casting is employed at 280 to form the 135 connection shown.
- In Figure 22 one full casting is employed at 282 Jo form the three-way connection at the leg.
In Figure 23 for the straight connection shown, -- two Suit castings are employed on opposite sides of the leg.
or the 90 connection of Figure 24, two full castings are employed at 2~6 and 287 together forming a 180 enclosure for ye right angle connection Sheehan at the leg. It will be appreciated that two half castings may be employed in lieu of a single full casting. In any event, the Sinatra line in the full casting seen at 258 makes all combinations appear Jo be made up of 1/8 circle components. A four-way connection with beams extending from a single pustule use no castings at all but simply the miter or transition castings.
It any event, a fully enclosed duct through the leg is provided both for the power wiring below and : 25 the communication wiring above.
Component Mounting Brackets referring again to Figure S and additionally to Figures 15 and 16, it will be seen that components such as worn surfaces, desk tops and the like may be suspended from the beam by use of the mounting brackets seen in Figures 5, 15 and 16. As indicated, the top ox -21- ~188Z~
the structure beam worms a recess lS7 in which the extrusions forming the ducts 44 and 46 are situated. The walls 179 and 181 ox the duct together with the pro-jetting hook 183 for a recessed hook receiving channel S such as seen at 290. The channel extends inwardly and then downwardly from the face of the beam and duct with the undersurface of the wall 179 forming a height restriction in the channel.
A work surface or other accessory 292 is supported lo on the upper surface of projecting bracket 2~3 seen in more detail in Figure 16. The bracket 293 includes a formed I- metal structure which includes vertically extending triangular sidewalls Z94 and 295 connected at the underside - ox the urea or distal end by web 296 which is provide 7.7i~h a hole or a fastener as seen at 297. The upper edges of _ the walls are co-planar and provide a mounting surface for a desk top or the like. A formed metal strip 299 is received in the Casey 300 and 301 formed in the upper proximal edge of the projecting bracket and the metal ski is provided with holes 302 also for accommodating fasteners such as screws to secure the top ox desk Ursa 292 whereto. the sidewalls are welded to a vertically - extending sleeve 304, the walls of which are provided With a diametrical hole seen at 305.
The sleeve 304 closely fits over tube 308 to slide vertically therealong,such tube also being provided 7~7ith a series of vertically spaced diametrical holes 30~.
eluded to the top of the tube 308 is a hook 310. The hook is somewhat triangular in shape and extends from the top of the tube normal to the transverse axis of the holes 309 and along its projecting edge includes a detrained Cook flange 311.
.
` 1~18822 I
On top of the hook 311 there is provided a rotating locking tab 313. The hook is provided with a small venture 314 and the locking tab includes a locking button 315 which snaps through the aperture 314 to lock the locking tab to the top face of the hook The locking tax, Hoover, can be rotated about the axis of the tube 30~ us seen in Figure 5, when the locking tab 313 is notated into the position shown, it acts as a shim between toe top of the hook 310 and the underside of the recessed slot formed by the surface 17g thus precluding the hook from being disengage with the recesses hook receiving channel 290. In order to remove the hook or replace the hex, the locking tab must be rotated out of the way.
The lower end of the-tube 308 as seen in Figure I 5 is provided with an adjustable horizontally extending Sue or blooper 317 which is mounted on a threaded shank 318 threaded transversely in the tune 308. The projecting en of the shank includes a hex head 320 by which the shank may be rated to bring the tube 308 to a plum condition.
It the work surface 292 is not quite horizontal, the bumper o- stop may readily be adjusted to bring the wow surface Jo the desired horizontal position.
- The work surface and its supporting bracket 293 are supported on the vertical tube 308 by the I employment of the pin seen at 322 in Figure 16. The spin extends through the holes 305 and the selected aligned holes 309. The pin may be held in place by a cotter pin extending through the transverse hole 323.
- As indicated in Figure 1, normally two such bracket assemblies Jill be employed to support cantilever accessories from the beam. Similar bracket assemblies may be employed to support other accessories such as file cabinets and storage components.
.
1~8~32Z
Superstructure Framing Referring no to Figures 17 and 18, it will ye seen that each of the post extensions 5Z as well as the simulate larger ceiling ducts 59 may be provided wit vertically spaced sets of discs as seen at 325.
The disc sets induce Zen upper disc 326 and a lower disc 32~ with a spacer 328 here between The discs and spacer are secured to the post extension.
- 10 As seen more clearly in Figure 18, the rails 54 comprise two angles 330 and 331 with the top flanges being co-planar and slat folded beneath themselves as seen a 332 and 333. This provides a somewhat enlarged rounded lateral edge on the rail as indicated at 334 lo as jell as a double thickness closely less than the spavins the discs. The vertical webs of the angles are slightly horizontally spaced to provide a vertical centerline slot tllerebetween as seen at 335. The vertical webs are inwardly - dimpled at 336 and 337 and the dimples are welded to each other. the vertical slot 335 between the dimples thus e~tenas completely vertically through the hanger bar.
At each upper end of the hanger bar the vertical webs are notched as indicated at 340 and clinched together Betty a printed tipped screw 341~ In this manner the flat US -*older top webs fit snugly between the discs 326 and 327 and eye set screw 341 is employed to bite into.tlle under--side of the luger disc 327 clamping and holding the horizontal rail in place. The flat folded upper webs may be mitered as indicated await so that the rails may I end from the post extension in the same manner in itch the beams extend from the legs. Components such as the enclosure or cabinet 76 or 94 may be supported from the rails by hooks 344 secured to the rail in the manner I I
.
indicated The hooks include the downwardly extending Cook portions on the outer end as seen at 345 and a Yen-Cole downwardly extending latching flange as seen at 346 which fits within the slot 335. The upper or channel-shape portion of the hook 347 closely conforms to one side ox the rail and to be removed it must be listed vertically.
Exemplary Layouts As indicated, the beams may come in certain lengths and modules such as 1.83, 2.44 or 3.05 meters Rich would correspond to 6, 8 an 10 feet, respectively.
figure 25 illustrates a linear system showing three beams 3S0, 351 and 332 supported on four posts 353, 354, 355 and 356 long one side ox toe beam cantilevered worn I surfaces ore provided at 357 with the square symbols 358 resDresenting chairs. On the opposite side of the beam six work swoons are also provided which may comprise somewhat -smaller cantilevered work surfaces seen at 360 and longer single leg supported work surfaces seen at 36i. Because of the ability to vary the height of the work surface with respect Jo the beam, the smaller cantilevered work surface - - 360 extends beneath the longer leg supported work surface 361 as, seen at 362. In this manner up to 12 work stations of either type may be accommodated along the - linear arrangement of three beams.
As seen-in Figure 26, seven beams of an intermediate length such as 2.44 meters are arranged in the octagonal configuration. One side of the octagon - is open as seen at 370 and the center may be provided with a conference table as seen at 371. Such arrangement permits a seven person work station with each person worming at a relatively long cantilevered desk top seen at 37Z.
~X~8~;~2 witting between the longer cantilevered desk tops are special purpose tops 3i3 which may use the same hook support brackets seen in Figures 15 and 16 with one each being secured to contiguous beams. The brackets 293 are secured Jo the underside of the work surface to extend normal to the respective connecting beam. The enclosed arrangement of Figure 26 requires eight legs.
In Figure 27 there is employed three longer beams seen at 376, 377 and 378, two mid-length beams seen a 379 and 380, and two relatively short beams 381 an 382 connected between posts 383 and 384 and the midpoint of the beams 376 and 378, respectively. As indicated, the arrangement may provide a variety of work stations and work surfaces.
In Figure I there it employed a layout using a oily ox eight relatively short beams to provide a fairly enclosed area seen at 386. Such enclosed area includes four cantilevered work surfaces. The larger worn surface 387 extends the entire length of the beam isle the two smaller surfaces 388 and 389 are shortened Jo pry for the additional or fillet work surface 390.
The opposite side of the beams provide alcoves seen at 3g2 and 393 which may provide either two or three work stations along the cantilevered work surfaces.
Figure 28 provides a total of eight work 25 . stations along opposite sides of the relatively zig-zag configuration of the intermediate length beams seen at 394, 39S, 396 and 397. The four beams, of course, - require five legs. The work stations may include drawer or storage cabinets seen at 398 and the fillet tables may be of a circular configuration as seen at 399, if desired.
-26- 8~22 It will be appreciated that the arrangements available are essentially endless It can now be seen thaw there is provided a space diviner system having improved horizontal and S vertical flexibility and versatility, and with its fully enclosed wiring ducts for both communication and power wiring, provides the necessary wire management for a modern office interior.
Other moves of applying the principles of the invention may be employee, change being made as regards ye details descried, provided the features stated in any of the following claims or the equivalent of such be employee. . _
Claims (3)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A space divider system comprising as a major component a structural beam, legs supporting said beam at substantially work surface height, an enclosed electrical duct on top of said beam and removable sections of said duct near the center of said beam to expose said beam for connection of the end of another beam thereto.
2. A space divider system as set forth in claim 1 wherein the beam-to-beam and beam-to-leg connections are the same.
3. A space divider system as set forth in claim 2 including means at said beam-to-beam connection to support a post extending upwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000502049A CA1218822A (en) | 1979-10-03 | 1986-02-17 | Space divider system |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8143779A | 1979-10-03 | 1979-10-03 | |
| CA000477199A CA1214306A (en) | 1979-10-03 | 1985-03-21 | Space divider system |
| CA000502049A CA1218822A (en) | 1979-10-03 | 1986-02-17 | Space divider system |
| US081,437 | 1993-06-21 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000502049A Division CA1218822A (en) | 1979-10-03 | 1986-02-17 | Space divider system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000502049A Division CA1218822A (en) | 1979-10-03 | 1986-02-17 | Space divider system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1218822A true CA1218822A (en) | 1987-03-10 |
Family
ID=25670620
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000502048A Expired CA1217020A (en) | 1979-10-03 | 1986-02-17 | Space divider system |
| CA000502047A Expired CA1218821A (en) | 1979-10-03 | 1986-02-17 | Space divider system |
| CA000502049A Expired CA1218822A (en) | 1979-10-03 | 1986-02-17 | Space divider system |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000502048A Expired CA1217020A (en) | 1979-10-03 | 1986-02-17 | Space divider system |
| CA000502047A Expired CA1218821A (en) | 1979-10-03 | 1986-02-17 | Space divider system |
Country Status (1)
| Country | Link |
|---|---|
| CA (3) | CA1217020A (en) |
-
1986
- 1986-02-17 CA CA000502048A patent/CA1217020A/en not_active Expired
- 1986-02-17 CA CA000502047A patent/CA1218821A/en not_active Expired
- 1986-02-17 CA CA000502049A patent/CA1218822A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1218821A (en) | 1987-03-10 |
| CA1217020A (en) | 1987-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |