|Publication number||US3683576 A|
|Publication date||Aug 15, 1972|
|Filing date||Jan 19, 1971|
|Priority date||Jan 19, 1971|
|Publication number||US 3683576 A, US 3683576A, US-A-3683576, US3683576 A, US3683576A|
|Original Assignee||Sikes John|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (9), Referenced by (15), Classifications (16)|
|External Links: USPTO, USPTO Assignment, Espacenet|
United States Patent Sikes PLATE CONNECTED STRUCTURAL MEMBER CONSTRUCTION FOR BUILDING WALLS Inventor: John Sikes, 8535 Findlay, Houston,
Tex. 77017 Filed: Jan. 19, 1971 Appl. No.: 107,799
Related US. Application Data Continuation-in-part of Ser. No. 697,672, Jan. 15, 1968, abandoned, Continuation-in-part of Ser. No. 882,995, Dec. 8, 1969.
References Cited UNITED STATES PATENTS Needham et al ..52/393 Parsons ..52/242 Kellogg ..52/48l Bohnsack ..52/48 1 Betcone ..52/62 Stolz ..52/48l Kotrbaty ..52/495 151 3,683,576 51 Aug. 15, 1972 FOREIGN PATENTS OR APPLlCATlONS 286,041 7/1915 Germany 761,444 l/ 1934 France ..52/481 Primary Examiner-Frank L. Abbott Assistant Examiner-James L. Ridgill, Jr.
 ABSTRACT The invention discloses channel members, as the broadest common element, with various adaptions made with relation to, or in the channel members whereby other members may be latchable engaged therewith, as the channels are in place in wall constructions, whereby the channels may segregate building -comer or wall section spaces to receive reentorcing concrete therein. A first presented form of the invention relied upon slots and pins in respective interfitting members to segregate the corner or wall spaces into which the reenforcing concrete was poured. In a later presented form of the invention reliance was made upon inter-fitting teeth, with flexibility of tooth engagement being accomplished by making one tooth forming member of plastic with enough resilience to give amply to permit teeth interfitment. In a preferred form of the invention, now presented the members to be interfitted provide respectively vertically disposed holes in one member, as the channel, to receive therethrough latch providing extensions which are spring -urged into latching position after passing through the aforesaid holes.
9 Claims, 18 Drawing Figures PAIENIEDMW m2 3.683.576 sum 2 or 3 JaH/v 5/ K55 .21. 7- .ll. INVENTOR.
BYMiZM P'A'IENTEDmc 15 1912 saw 3 or 3 INVENTOR, JOHN Smss BY HTTORNEY PLATE CONNECTED STRUCTURAL MEMBER CONSTRUCTION FOR BUILDING WALLS CROSS-REFERENCE TO RELATED APPLICATION This application is a continuation-in-part of applicants application, Ser. No. 697,672 filed on Jan. 15, 1968, now abandoned; and is also a continuation-in- 882,995,filed Dec. 8, 1969 BACKGROUND AND OBJECTS OF THE INVENTION This invention relates to novel and efficient methods and structures for use in erecting the walls of buildings. Though not limited thereto, the present invention is particularly useful in interconnecting prefabricated wall panels.
One object of the invention is to provide new and improved columnar structures for supporting the wall sheaths forming the two sides of a building wall.
Another object of the invention is to provide new and improved columnar structures for forming the corners at the meeting places of pairs of building walls running in different directions.
Other and further objects will be apparent when the specification herein is considered in connection with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS The drawings previously presented and repeated herein are described:
FIG. 1 is an isometric view of a corner construction which also shows a columnar construction spaced from the corner and spacing wall sheath sections transversely apart;
FIG. 2 is a plan view of a corner construction, as shown in FIG. 1, the figure also showing a columnar construction spaced to the left of the corner construction and corresponding in construction with the columnar construction shown to the right of the corner construction in FIG. 1;
FIG. 3 is a fragmentary elevational view of a connector plate as used to connect columnar channels in FIGS. 1 and 2;
FIG. 4 is a fragmentary elevational view of a connector plate as used to connect corner members to a corner angle, as shown in FIGS. 1 and 2;
FIG. 5 is an elevational cross-sectional view through a portion of one of the walls shown in FIGS. 1 and 2;
FIG. 6 is a cross-sectional plan view of a modified embodiment of corner construction;
FIGS. 7 and 8 are cross-sectional plan views of the adjacent ends of wall panels which are to be connected to one another, such views showing a modified embodiment of structure for interconnecting the wall panels;
FIG. 9 is a elevational view taken along section line 9-9 of FIG. 7;
FIG. 10 is an elevational view taken along section line 10-10 of FIG. 8; and
FIG. 11 is an enlarged fragmentary view showing in greater detail the interlocking of the interconnecting structures of FIGS. 7 and 8.
The drawings presented herein for the first time to disclose a preferred form of the invention, are described as follows:
FIG. 12 is a plan view of corner construction showing to small scale the latching members of this form of the invention as urged to latched position after having been passed through holes in respective channels;
FIG. 13 is a fragmentary view through a wall section, including a channel providing latch receiving notches therein;
FIG. 14 is a fragmentary view through a wall section, including a channel including plates therewith equipped with latches shown in small scale, and for purpose of passing through the holes shown in the channel of FIG. 13;
FIG. 15 is an isometric view, including latches of the type shown to small scale in FIGS. 12 and 14, a section of latch receiving channel being included;
FIG. 16 is a larger scale isometric view of a latch of the type shown in FIGS. 12, 14 and 15;
FIG. 17 is a view of a channel web portion with hole therein, with a latch of the type shown in FIGS. 12, 14, I5 and 16, being shown contracted in passage through the hole; and
FIG. 18 is an isometric view of a variation of the latch shown in the hereinabove described figures, adapted for installation on thin wall structures.
DESCRIPTION OF THE ILLUSTRATED EMBODIMENTS Referring now in detail to the drawings of structures now pending, in which like reference numerals are applied to like elements in the various views, a building construction 10 is shown in FIGS. 1 and 2 in which a comer construction 11 is shown and also wall panel constructions l2 and 13 extending from the comer 11 at right angles to each other. An intermediate column and wall sheath spacer construction 14 is shown at the right of the comer 11 in FIG. 1 and to the left of the corner 11 in FIG. 2, which is illustrative of the columnar construction comprising an important portion of this invention.
In detail, a column 14 is shown as comprising upstanding channels 15a, 15b with respective pairs of channel flanges 16a, 16b in outer edge face abutment. Outer and inner upstanding connector plates 17a, 17b are shown disposed against the inner faces of the outer channel flanges 16a and 16b and against the inner faces of the inner channel flanges 16a and 16b, with the flanges 16b being provided with latch bolts or rivets 18 with heads 18a disposed at a spaced distance inwardly from the inner faces of the respective channel flanges 16b, such spaced distance being a distance slightly greater than the thickness of the plates 17a and 17b In fabrication, the channel 15b is first placed in proper upright position on a conventional runner or slab 19, as shown in FIG. 5, with the bolts or rivets 18 vertically spaced along flanges 16b at predetermined distances apart. Then the channel 15a (with the left outer faces of the connector plates 17a and 17b secured to the respective inner faces of the channel flanges 16a, as by gluing, welding, bolting, or by any appropriate means) is maneuvered to latch the connector plates 17a and 17b, having therein the appropriately spaced latching slots 20 shown in FIG. 3 over the aforesaid bolts or rivets 18 which extend inwardly from the flanges 16b With the opposed or abutting channels 15a and 15b thus positioned and latched together, the inner wall sheaths 21a and outer wall sheaths 21b are caterrninous with and disposed against and secured to the outer faces of the channel flanges 16a and 16b of spaced apart aligned columns 14 whereby the wall sheaths 21a and 21b are properly longitudinally aligned and transversely spaced apart. As shown in cross-section in FIG. 5, a wall construction 12 or 13, comprised of wall sheaths 21a and 21b, thus spaced apart, fits at bottom into rectangularly cross-sectioned groove means 22 in a concrete slab or runner l9, concrete 23 having been poured to a depth between the wall sheaths or within the column 14 to anchor a wall 12 or 13 to the base or slab 19.
The comer construction 11, as shown in FIGS. 1 and 2, includes an outer corner angle member 24 which may be of the same construction material as the walls 210 and 21b, or of any suitable light material. Then inwardly of the angle member 24, in the finally assembled views of FIGS. 1 and 2, a structural angle 25 is shown, such angle 25 have appropriately, vertically spaced apart bolts or rivets 18 which extend inwardly from the inner faces of the angle legs 25a and 25b Angle 25 is secured to angle member 24 by gluing, welding, or the like. Also, the corner construction 11 includes a channel 26a across the wall construction 12 at ninety degrees to the wall construction 13. Each of the channels 26a and 26b has vertically spaced apart inwardly extending studs 18b mounted on the flange 27a thereof.
A connector plate 280 is shown in FIGS. 1 and 2 as having its left, outer face disposed against and secured to the inner face of the flange 27b of the channel 26a, such connector plate having vertically spaced apart slots in the right-hand side thereof. As indicated in FIG. 4, the slots 30 each have an enlarged upper portion 30a and a smaller, lower portion 30b, for purposes to be hereinbelow described. Also, a second connector plate 28b is shown in FIGS. 1 and 2 as having its right, outer face disposed against and secured to the inner face of the flange 27b of the channel 26b, such plate having vertically spaced apart slots 30, as hereinabove described, in the left-hand side thereof as viewed in FIG. 1. A further angle 29 is shown in FIGS. 1 and 2 as having holes vertically spaced apart in both legs 29a and 29b thereof.
The assembly of the comer construction 11 is accomplished first by disposing channels 26a and 26b in upright positions in the relative plan positions indicated in FIG. 1 and best visualized from FIG. 2. Then the inner angle 29 is placed in proximity to the respective inner flanges 27a of the channels 260 and 26b and in a manner such that the the oversized holes 35 receive the studs 18b therein. Next, with the connector plates 28a and 28b in established contact with the channel flanges 27b of the respective channels 26a and 26b, the angle 25 is moved toward the position shown in FIG. 1. As best visualized in FIG. 2, the bolt heads 18a are passed through the larger, uppermost portions 30a of the slots 30 in the connector plates 28a and 28b and then lowered into the smaller, lower portions 30b thereof.
As indicated in FIG. 2, spacer members 32 and 32a if desired) may be located intermediate the column structures 14 or between the comer column structure 11 and the nearest such column structure 14.
After the comer structure 11 and the wall structures 12 and 13 have been assembled and erected, the centers of the column structures 14 (the regions enclosed by each pair of channel members 15a and 15b and the center of the corner column structure 11 (the region enclosed by channel members 26a and 26b and angle member 25) are preferably filled with a filler material such as concrete. Such concrete is indicated by reference numeral 33 in FIG. 2. After the concrete hardens, it seals the joint defined by the structural members forming the column structures. Such concrete also provides a weight bearing columnar structure for supporting the next floor level or the roof or the like of the building.
The column structures 11 and 14 are particularly useful for interconnecting prefabricated wall panels. Considering, for example, the column structure 14 shown in FIG. 2, the wall panel structure connected to the channel 15a can be prefabricated at a factory location with the channel 15a and connector plates 17a and 17b mounted in the left-hand end thereof. In a similar manner, the wall panel structure connected to the right-hand channel 15b can be prefabricated at the factory with the channel 15b and latch bolts 18 mounted in the left-hand end thereof. Thereafter, when the wall panels arrive at the building site, they can be quickly connected together by lowering the wall panel having the connector plates 17a and 17b so as to cause the latch bolts 18 to move upwardly into the latching slots 20 in such connector plates 17a and 17b After the concrete is poured into the center space intermediate the channels 15a and 15b and allowed to harden, a relatively permanent connection of the wall panels is ob tained.
Referring now to FIGS. 6-1 1, there will be described modified forms of construction for the comer and noncomer column structures. Considering first FIGS. 7 and 8, there is shown in a disengaged or disconnected manner the two parts which, when connected together, form a structural column which is located at an intermediate point in a building wall. This column structure includes first and second upstanding structural members 40 and 41. Member 40 is a structural channel member having a web 40a, an inner flange 40b, and an outer flange 400. The second structural member 41 is also a structural channel member having a web 41a, an inner flange 41b, and an outer flange 41c Channel member 40 is mounted in the right-hand end of a wall panel 42 having wall sheaths 42a and 42b The second channel member 41, on the other hand, is mounted in the left-hand end of a wall panel 43 having wall sheaths 43a and 43b When the wall panels 42 and 43 are connected together, the inner flanges 40b and 41b abut one another. Similarly, the outer flanges 40c and 410 likewise abut one another.
The column construction of FIGS. 7 and 8 further includes first connector means 44 mounted on the first structural channel member 40 between the flanges 40b and 400 thereof. This connector means or connector 44 is a generally U-shaped channel member having a web 44a secured to the web 40a of the channel 40 and having a pair of legs 44b and 44c which constitute ribbed elements which extend toward the second structural channel member 41. The ribs are provided by cutting series of longitudinally extending notches in the outer surfaces of the legs 44b and 44c The notches or ribs on leg 44b are indicated at 44d The notches or ribs on leg 440 are indicated at 44e As can be seen from the elevational type view of FIG. 9, these ribs 44d and 44e run at right angles to the direction of extension of the legs 44b and 440 The column structure of FIGS. 7 and 8 also includes second connector means 45 mounted on the second structural channel member 41 between the flanges 41b and 41c thereof. This second connection means or connector 45 is also a generally or approximately U-shaped channel member. As such, the connector 45 includes a web 45a which is secured to the web 41a of the structural channel 41 and a pair of legs 45b and 450 which constitute ribbed elements which extend toward the first structural channel 40. The ribs are indicated at 45d and 45e These ribs 45d and 45e are formed by cutting series of longitudinally extending notches in the inner surfaces of the legs 45b and 450 These notches or ribs 45d and 45e run at right angles to the direction of extension of the legs 45b and 45c The second connector 45 is sized so that the legs 45b and 45c thereof will fit snugly over the legs 44b and 440 of the first connector 44. This enables the ribs 45d and 45e to lock in place intermediate the ribs 44d and 44a, respectively, of the first connector 44. This locked condition is shown for a portion of the ribs 44d and 45d in the fragmentary view of FIG. 1 1. The second connector 45 is of a resilient construction for enabling the ribs 45d and 45e thereof to slide over and then lock in place intermediate the ribs 44d and Me of the first connector 44. In a preferred embodiment, the first connector 44 is made of metal and the second connector 45 is made of a resilient plastic material.
Connector 44 is secured to the structural channel 40 by a series of vertically spaced apart bolts or rivets 46. The second connector 45 is similarly secured to the second structural channel 41 by a series of vertically spaced apart bolts or rivets 47.
Considering now the modified comer column construction of FIG. 6, such construction is generally indicated at 50 and is used for forming a corner joint between a pair of wall panels 51 and 52 extending at right angles to one another. The corner structure 50 includes a first upstanding structural channel member 53 mounted in the end of the wall panel 51 and having a web 53a and a pair of flanges 53b and 530 which extend in the direction of the corner of the wall structure. The comer structure 50 also includes a second structural channel member 54 mounted in the end of the second wall panel 52 and having a web 54a and a pair of flanges 54b and 540 which extends in the direction of the desired corner joint. Secured to the first structural channel 53 is first connector 55 in the form of an angle member having a ribbed or notched leg 55a extending in the direction of the common comer location. Secured to the second structural channel 54 is a second connector 56 in the form of a channel-shaped member having ribbed or notched legs 56a and 56b which extend in the direction of the common corner location.
The comer structure 50 further includes an upstanding structure angle member 57 having legs 57a and 57b which adjoin the outer flanges 53c and 54c of the channels 54 and 54, respectively. Secured to the leg 57a is a ribbed element 58 in the form of a bent plate which extends the vertical length of the angle 57. The ribs or notches 58a of the element 58 engage the ribs or notches on the connector 55 in an overlapping and interlocking manner. Secured to the other leg 57b of the angle 57 is a second ribbed element 59 in the form of a bent plate which runs the vertical length of the angle 57. The longitudinally extending ribs or notches 59a of the bent plate 59 engage the ribs or notches on the outer surface of the leg 56a of the second connector 56 in an overlapping and interlocking manner.
The corner structure also includes an inner angle member 60, having one leg 60a secured to the inner flange 53b of the first structural channel 53. The other leg 60b of the angle member 60 includes a ribbed or notched portion for engaging the ribs or notches on the leg 56b of the connector 56.
In a preferred embodiment of the invention, the connectors and 56 are constructed of a resilient plastic material. These connectors 55 and 56 are secured to their respective structural channels 53 and 54 by means of bolts, rivets, or any other suitable securing mechanism or agent.
The comer structure 50 is assembled by first positioning the outer angle 57 so that the ribs 58a engage the ribs or connector leg 55a and then moving the second well panel 52 into position such that the connector 56 is inserted between the bent plate 59 and the inner angle member 60.
After the various well panels have been erected and various column structure connectors have been interconnected, the interiors or centers of the various FIG. 6-11 type column structures are filled with an appropriate load sustaining material such as concrete.
If desired, some of the teeth forming the ribs on any one or more of connectors 44, 45, 55, and 56 and members 58, 59, and may be of a rounded character instead of a pointed character. Considering connector 44, for example, the outer tips of all but the right-hand most ones of the teeth 44d and 44e may be rounded off, the right-hand most tooth in each set continuing to have a pointed tip as shown.
In a now preferred, and newly presented form of the invention, a comer construction is first presented in FIG. 12, with parallel wall sections or plates 61a, 61b extending at right angles to parallel extending wall sections or plates 62a, 62b, the inner side face of the end portion of the plate 62b abutting across the end or edge surface of the inner plate 61b A light channel 63a is shown affixed between the ends of the parallel plates 61a, 61b, thus with flanges in abutment with the inner, end surface portions of the respective plates 61a, 61b, and a corresponding light channel 63b is shown affixed between the ends of the parallel plates 62a, 62b, thus with flanges in abutment with the inner, end surface portions of the respective plates 62a, 62b.
The channels 63a, 63b, have vertically spaced apart, rectangular shaped holes 64a, 64b, provided therein, correspondingly as indicated in FIG. 17, with the holes 64a to receive therethrough latch carrying lugs 65, provided correspondingly vertically spaced apart along the outer edges of a corner inner angle 66, the angle 66 being moved into the open comer on a course of substantially 45 whereby the inner faces of the inner flanges of the respective channels 63a, 63b, guide the angle into the position shown in FIG. 12, as the latches 67 carried by the angle lugs are passed through the holes 64a, the latches 67 then latching as will be hereinbelow described.
In detail each latch 67 comprises two opposed channel sections 68a, 68b, with the channel 68b having a web shorter than the web of the channel section 680 by at least two flange thickness, whereby the channels may fit one within the other in folded position, FIG. 17. The channels are drilled through at their ends outermost from the angle 66 which provides the lugs 65. The drilled through flanges of the latch channels 68a, 68b. are then fitted to receive the opposed ends of a tee member 69 therethrough, vertically opposed springs 70a, 70b, having inner ends anchored to the central leg of the tee member 69, with the coils of the springs 70a, 70b, being wound respectively upwardly and downwardly about the respective upper and lower pans of the tee cross-member, and with the respective upper and lower ends of the springs 70a, 70b, extending substantially perpendicularly from the cross-member parts to form torsion spring urging members 71a, 71b, against the inner surfaces of the respective inner faces of the webs of the channel sections 68a, 68b, near the respective flanges thereof.
The inner end 72 of the central leg of the tee member 69 is threaded for a pre-determined length to be threadedly received into a threaded bore provided centrally into the outer face of the lug 65, FIG. 16. Thus each latch 67 may be threadably engaged by means of its tee member 69 to a pre-determined depth in its respective lug or carrier 65. Thus when a lug 65 carrying its latch 67, folded to pass through its respective channel hole 64a or 64b, passes through the hole, the torsion spring ends 71a, 71b, urge their respective latch channels 68a, 68b outwardly, so that the beveled ends 73 of the latch channels may latch in flush abutment with the outer face of the respective wall channels 63a or 63b A specially constructed angle 74, FIG. 12, provides lugs 65 that carry corresponding latches 67 passed throughholes 64b in the respective channels 63a, 63b, the lugs and holes being of size and provided at elevations in the respective angle 66 and end channel 63a, 63b, in correspondence with the respective lugs 65 of the angle 66 and with the respective channel holes 64a This angle 74 has the outer thickness of the inner portions of its legs 74a, 74b, relieved for the thickness and width of the respective wall end channels 63a, 63b, and the inner faces of the flanges of these respective channels 63a, 63b, serve to guide the special angle 74 as it is brought into the corner on substantially a 45 course, to enclose the corner space that is later to be filled, as with concrete. Finally, as indicated in FIG. 12, a corner angle 75 may be installed upon the inner comer angle 74 to complete the corner flush with the wall plates 61a, 62a Optionally, the corner angles 74 and 75 may be provided as an integrated structure.
As a variation of the latch forms shown in FIGS. 12-17, a latch is shown in FIG. 18 in which the member that ordinarily would provide the projection or lug to threadably receive the central member of the tee, is a thin plate 76, whereby the central member of the tee 77 is a thin bar 78 that may be connected to the plate 76, as by rivets or screws 79. In this case the width of the holes or openings through the channel members which are to receive this type of latches therethrough must be just slightly greater than the thickness of the plate 76 plus the thickness of the bar 78, plus two latch channel web thicknesses, the notch or hole height and all other features of the latch construction being the same as for the latch hereinabove described in relation to FIGS. 12-17.
Making reference now to FIGS. 13 and 14, the operation of the form of the invention herein described with relation to FIGS. 12-17, is indicated as employed to close off a section or columnar space along a wall indicated as comprised of the plates 61c,-61d, with a light channel 630 shown affixed between the end portions of the plates 61c, 61d, facing outwardly, and correspondingly having vertically aligned holes 64c, 64d therein.
In this case a section of the wall to be adjoined in abutment with the wall defined by and between the plates 61c, 61d, is indicated as comprised of plates 61e, 61f, with end portions having a channel 63d thereinbetween the plate end portions, the channel 63d facing outwardly, with the channel 63d providing latches 67 for the lugs 65 provided by plates 79a, 79b which are afiixed to the inner faces of the flanges of the aforesaid channel 63d.
Thus with the latches 67 assembled to the projections or lugs 65, the ends 80a, 80b may be peened to complete the latch assembly correspondingly as in the case of the latches hereinabove described with relation to FIGS. 12 and 15-17, inclusive, also in the case of the latch 67a, FIGS. 13 and 14. Thus, when the wall section 61e, 61f, is brought with the plate end faces thereof to abut the end faces of the respective plates 61c, 61d, the latches 67 pass through the respective holes therefor and are spring urged latched to latch the respective wall sections 61c, 61d, and 61e, 61f, together to provide a space thereinbetween into which concrete can be poured to provide a columnar reenforcing structure along the walls, and entirely concealed therewithin.
While there have been described what are at present considered to be preferred embodiments of this invention, it will be obvious to those skilled in the art that various changes and modifications may be made therein without departing from the invention, and it is, therefore, intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
1. A structural member construction for building walls comprising first and second upstanding wall panels each including spaced apart, parallel, coterminously extending wall sheaths with end portions separated by respective spacer channels with flanges outermost and coterrninous with said end portions whereby in assembly the wall sheath and channel flange end faces may meet in abutment, one of said spacer channels having flange extension plates with one edge face of each extension plate in fixed abutment with a respective channel web and with said extension plates in sideward abutment with inner surface of respective channel flanges, the other of said spacer channels having vertically spaced apart holes in its web just inwardly of its flanges, lugs provided to extend from the respective extension plates leading edge faces opposite the channel web abutting edge faces, and in vertically spaced correspondence with the holes in the opposed channel web, whereby when said wall panel sheath and channel flanges are assembled in respective end face abutment the extension plate leading edge faces from which said lugs extend is just short of the hole providing channel web and said lugs extend into the respective holes with which they correspond in elevation, said lugs having pivoted latch means on their outer extending portions, tension spring biasing said latch means outwardly, said latch means yieldably contracted outwardly by said spring on passing to pass through said holes, and extended through said to latch against the surface of the holes channel web opposite the surface thereof adjacent said extension plates leading edge faces.
2. A construction as claimed in claim 1 in which said structural member provided space comprises holes vertically spaced apart through said channel webs to have latch lugs driven therethrough after which said structural members carry said latching lugs in upwardly extending slots in said structural members, whereby said latching lugs extend through said plate means in latching position.
3. Two constructions as claimed in claim 1, which are disposed at 90 to each other whereby with inner plates in end abutment, the defined columnar space is for a building corner.
4. A construction as claimed in claim 1 in which said structural member provided space comprises holes vertically spaced apart through channel webs, and in which said latching means is projected in contracted position through said holes for spring urged expansion thereafter to latch against the outer surface of said channel webs.
5. A construction as claimed in claim 5, in which said latch comprises a tee with central member extending from a lug on a plate means associated member, with the tee cross-member passing through opposed interfitting latching channels spring urged expanded by spring included torsion members.
6. A construction as claimed in claim 5, in which said latch comprises a tee with central member comprising a thin bar extending from a thin plate means associated member whereby hole width is slightly greater than thin bar plus thin plate plus two channel web widths of latch channels in opposition through the flanges of which the cross-member of said tee passes, with said latching channels being spring urged expanded by spring included torsion members.
7. A construction as claimed in claim 5, in which said latch comprises a tee with central member threadable for a predetermined distance into a lug on a plate means associated member, whereby with the tee crossmember latching springs expanded to urge inter-fitting latching channels on the tee cross-member expanded, I
the beveled ends of the latching channel flanges are in latching abutment with channel web.
8. A construction as claimed in claim 5, in which said spring urge expansion of said latching means is effected by an upper spring including a coil anchored around the central member of a tee which extends from a lug on plate means associated with a plate, the upper spring extending upwardly around the cross-member of said tee, said spring urged expansion of said latching means being oppositely effected by a lower spring including a coil anchored around said central member and extending downwardly around the cross-member of said tee.
9. A construction as claimed in claim 5, in duplicate,
wh reb the W0 cons ru tions e d's osed t to in er, whereby withinner p ates i end a utment,
the defined'columnar space is for a building corner.
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|U.S. Classification||52/250, 52/481.1, 52/580, 52/272|
|International Classification||E04B1/61, E04B2/86|
|Cooperative Classification||E04B1/6179, E04B2/86, E04B1/6129, E04B1/6175, E04B1/6141|
|European Classification||E04B1/61D3D2, E04B2/86, E04B1/61D3B4, E04B1/61D3B1, E04B1/61D3E|