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Publication numberUS3820293 A
Publication typeGrant
Publication dateJun 28, 1974
Filing dateDec 29, 1972
Priority dateDec 29, 1971
Publication numberUS 3820293 A, US 3820293A, US-A-3820293, US3820293 A, US3820293A
InventorsN Megumi, F Ohe, Y Saito
Original AssigneeTokyo Plywood Kk
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Framed structural member and board structure composed of short timbers assembled
US 3820293 A
Abstract  available in
Images(14)
Previous page
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Claims  available in
Description  (OCR text may contain errors)

United States Patent 1 1 1 1 Ohe et a]. 1 June 28, 1974 [54] FRAMED STRUCTURAL MEMBER AND 1,441 ,970 1/1923 DErville 52/228 BOARD STRUCTURE COMPOSED 01 2,291,712 8 1942 Hatton 52/586 2,971,295 2/1961 Reynolds 52/228 SHORT TIMBERS ASSENIBLED 3,369,334 2/1968 Berg 52/227 [75] Inventors: Fumio Ohe; Yoshio Saito, both of Tokyo; Naomitsu Megumi, FOREIGN PATENTS OR APPLICATIONS Funabashi, all of Japan 202,572 8/1923 Great Britain 52/251 1,086,330 10/1967 G t B 't i 52/228 [73] Asslgnee: 25 3 Kabushlk Kalsha, 567,451 12/1923 52/251 [22] Filed: 1972 Primary Examiner-Frank L. Abbott [21] Appl. No.: 319,396 Assistant Examiner-James L. Ridgill Attorney, Agent, or Firml-lolman & Stern [52] U.S. Cl 52/127, 52/263, 52/220, I

' 52/483, 52/585, 52/586 [57] ABSTRACT E04) This invention relates to a framed structural member "i 263 for use as pillars, beams girders and the like in buildings, vehicles and the like and also to a board struc- [56] References cued ture for use in floors, walls, partition walls and the UNITED STATES PATENTS like. 5 818,884 4/1906 Grimm 52/587 6 Claims, 16 Drawing Figures PATENTEBauua 1914 saw 010F14 FIVG.

PATENTEDJUN28 1914 1820.293

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PATENTEDJUNZBW 3.820.293

saw nauru sis-320.293

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PATENTEDmze 1924 MET13BF14 FIG.|5

mcmanmz m4 316320.293 sum V 1a or 14 1 FRAMED STRUCTURAL MEMBER AND BOARD STRUCTURE COMPOSED OF SHORT TIMBERS ASSEMBLED BACKGROUND OF THE INVENTION Generally, ordinary long timbers used as a structural member such as pillars, beams, girders, etc., take much labor and time to transport and handle. Moreover, they are smaller in strength than members for steel frame construction, and in consequence it conventional practice to increase the sectional area of the structural member in order to increase the strength of the structure. On the other hand, laminated wood or so-called laminated timber provided by laminating short timbers by use of a bonding agent is also well known. Although laminated wood is wood improved in quality by removing warps, cracks, etc., inherent in wood, it neverless has the same disadvantage of inconvenience in transport and handling asis the case with long timbers, and furthermore because it uses a bonding agent in connecting the short timbers, the laminated wood is not free from an ageing effect with lapse of time and is in adhesive force, which, in turn, reduces the strength of the laminated wood, thus being rendered unfit for long use as a structural member.

Also, it is a generally established knowledge that board structure such as formed in wooden walls, floors, etc., in buildings, vehicles and the like has heretofore been composed, in an adhesively connected form, of sawn board, plywood, hardboard, particle board, and the like. But board structure such as formed in floors,

walls, partition walls and the like constructed of these materials is highly deficient in strength and, hence to obtaina structure of high strength, it is necessary to increase the thickness of board. The increase in the thickness of board involves an increase in weight, which, in turn, naturally reducedworkability in construction work and leads to an increase in damage to the the external angle portion and corner portion of the structure during construction. In addition, the manufacture of the afo'restated plywood and saw board involves the added disadvantage of producing a large quantity of waste timber. Also, laminated wood or socalled laminated timber produced by laminating and connecting short timbers by means of an adhesive is well known, but this laminated wood is not only expensive but laminated layers are liable to come off in exfoliated pieces. This is because the adhesive used in the laminated wood is subjected to an ageing effect with time and is reducedin adhesive force and strength, although the laminated wood has considerable strength for some time after manufacture. Furthermore, since the laminated wood makes it necessary to manufacture the wood considerably large in length and width for the purpose for which it is used as walls, floors, partition walls, etc., it takes much time and labor to transport and handle the material.

Short timbers such as mosaic parquet are also well known in the case of a floor material. The mosaic parquet is generally used for purposes of heat and cold reserving or of facing in rooms, and offers no difficulty in point of transport but has the disadvantage of being complicated in the method of working. Namely, when his used in the construction of a floor surface of concrete structure, cement mortart backing has to be laid on the concrete floor surface and this laying of backing requires a highly skilled art, and curing of this backing requires a long period of time. In addition, when this mosaic parquet is used in the floor surface of a general wooden house, the conventional method of construction has the disadvantage that concealed backing as such plywood, particle board or the like has to be laid on a floor joist. Furthermore, although a surface finish of bricks, tiles or the like over the concrete backing as a means of improving the appearance of a wall surface, floor surface, etc., is also well known, the disadvantage of such a surface finish not only requires expensive scaffolding and a large number of working days but also involves the danger that the tiles used will come off during and after construction and a tendency that the bricks and tiles will crack and fall in exfoliated pieces.

SUMMARY OF THE INVENTION Hence the present invention has for its primary object the provision of a framed structural member for use in pillars, beams, and girders employed in buildings, vehicles and the like in which structural member the disadvantages of the nature of prior known structural members as hereinbefore stated are removed.

The invention also has for another object the provision of a board structure such as floors, walls or partition walls in buildings, vehicles or vessels and the like which board structure is free from the disadvantages described aboveand has a decorative property, earthquake resistance, durability,- heat and cold reserving properties.

A board structure therefore according to the invention is composed of two or more than two interconnected short timbers which short timbers have formed therein more than one hole, into which rods or/and pipes are inserted which rods or/and pipes are connected by couplings, box screws and the like.

Additionally, the present invention provides an assembled board structure composed of at least two pieces of wooden brick, each brick being formed of square short timber which has on at least two sides of the four sides thereof more than one groove, the two pieces of brick being interconnected by inserting at least one of first and second coupling blocks into the groove. I

Furthermore, the present invention provides a board structure composed, in combination, of at least two pieces of brick, the brick being formed of square short timber which has on at least two sides of the four sides thereof more than one groove and on one of the sides at least more than one through hole, the two pieces of brick being interconnected by inserting one or both of first and second coupling blocks and inserting rods or pipes through the through holes.

BRIEF DESCRIPTION OF THE DRAWINGS These and other objects and advantages of the invention will become more apparent from a perusal of the following description of embodiments of the invention taken in conjunc ion with the accompanying drawings,

part, showing short timbers connected to each other by forming cutaway portions in the short timbers;

FIG. 6 is a front view showing the state of the short timbers being connected to each other by the same connection method as that in FIGS.

FIG. 7 is a fragmentary front view diagrammatically showing an embodiment of the framed structural member of the invention in a pillar, groundsill and beam;

FIG. 8 is a perspective view, broken in part, of a short timber different in shape from that in FIG. 3;

FIG. 9 is a fragmentary perspective view of an embodiment of the board structure of the invention in a wall, the view showing the structure with some of the short timbers removed from the structure and broken clearly showing the state to show connection and assembly of the wooden bricks;

FIG. 10 is a sectional view taken on line] I of FIG. 1; f

FIG. 11 is a perspective view showing a part of FIG.

.9, which. view shows a backing member, plinth, and

coupling block, broken-in part;

FIG. 'l2'is a perspective view, broken in part, of the wooden brick that is used to construct the board structure;

FIG. 13 is a front view of the wooden brick similar to that in. FIG. 13; I 1 FIG. 14 is a sectional view taken on horizontal line II II of the wall in FIG. 9, said view showing the wall FIG.' 15 is a fragmentary perspective view of an embodiment of the board structure in a partition wall; and

- FIG. 16 is a perspective view of an embodiment of the board structure in a floor with some of the bricks removed from the floor and broken in part.

DETAILEDDESCRPTION OF PREFERRED I EMBODIMENTS Example l v y v A description will now be made of the structural member shown in FIGS. 1 through 8.

The framed structural member constructed according to the invention comprises a pillar, stake, beam or girder is preferably a prismatic short timber chiefly square (regular square, rectangular) in crosssection, but depending upon the purposes and modes of use, may be formed into a polygonal, round, and any other suitable shape. The member is composed of more than two short timbers of the kind described above by connecting the timbers to each other by means of rods or- /and pipes inserted into the short timbers. In the embodiment, a description will be made of a connection structure and a connection method of -two prismatic short timbers.

In FIG. 1 is shown two interconnected prismatic short timbers land 1 1 square in section. A description will be made of portions designated at 31, 32 and 33 otherthantheportions showing the state of connection of these short timbers l and la. And, into each of the short timbers l and la shown in FIG. 1 a plurality of rods 2 and 2a each are inserted, which rods 2 and 2a are connected by couplings'3, and the short timbers l and la are connected by connection through the couplings. FIG. I shows those short timbers, partly broken, and the rods 2 and 2a cut off, so that the state of the rods 2 and 2a being connected by the couplings may be readily understood and the couplings 3 and the rods 2 and 20 received inside the short timbers may be clearly seen.

Now, a description will be made in FIG. 2 and others subsequent thereto with reference to the respective shapes of the short timbers 1 and 1a, 2 and 2a shown in FIG. 1. First, only short timbers square in section are shown in FIGS. 2 and 3, and the numeral 4 in the figures designates through holes bored in the longitudinal direction of the short timber 1. These through holes 4 are intended to receive the afore-stated rods 2 thereinto, and five through holes are bored in this embodiment. The holes 4 each are enlarged in diameter in both end areas of the short timber I so as to form a large diameter portion 5 therein. The large diameter portion '5 is intended to receive said couplings 3 therein. Next, a description will be made of these couplings 3 in conjunction with FIGS. 1 and 4. FIG. 4 shows the rods 2 and 2a connected by the couplings 3-and the short timbers l and la connected by the rods thus connected. The coupling 3, as shown in FIG. 4, is formed of metal and synthetic resin, and is formed into a cylindrical shape having a partition wall 7 in the center thereof and open at both ends. The

outer diameter of each of the open ends of the coupling.

3 is formed slightly smaller than the aforestat ed large diameter portion 5 of the short timber 1. And both side portions of the partition wall 7 in the center of the couplinghave internal threads 6 and 6 cut. Next, a descrip tion will be made of the rods 2 and 2a in the form of a reinforcing member with reference to FIGS. 1 and 4. These rods 2 and 2a are made of the same material as that of which the coupling 3 is made, and function as reinforcement, and accordingly they may be either'rods or hollow pipes. In the case of the hollow pipes, they permit the passage of gas or liquid therethrough. This reinforcing member may be called simply a rod in this specification as the case may be. The rods 2 and 2a are formed in both end areas with external threads 8 and 8a, and these external threads are screwed into the internal threads 6 and 6 of the coupling 3. And in the embodiment in FIG. 1 the length of each of the rods 2 and 2a, in consideration of the partition wall 7, is conveniently made slightly shorter than the. length of each of the short timbers l and la into which they are inserted. Accordingly, if the rods 2 and 2a are so made in length, it is only necessary to make the rods2 and 2a the same in length when the short timbers 1 and la are formed the same in length.

Next, the framing of the structural member in this embodiment will be made more apparent by describing an example of the method of connecting the short timbers l and la by the couplings 3 with reference -to FIGS. 1 and 4. First, the rods 2 are inserted into the through holes 4' of one short timber, and the external thread 8 of each of the rods 2 is caused to project into the large diameter portion 5, a washer 9 is fitted over the external thread 8 and the washer 9 is inserted into the large diameter portion 5 andplaced on the bottom 10 thereof. Then,'a lock nut 11 is threadedly fitted over said external thread 8 to thereby bring the lock nut into couplings 3, rods drical coupling 3 is threadedly fitted over the external thread 8 of each of the rods 2, and the lock nut 11 is brought into contact with one end of the coupling 3 to thereby bring the coupling 3 into firm engagement with the lock nut 11. By so doing, the coupling 3 and the rod 2 are securely connected to each other by the action of the lock nut and lock washer 9. As shown in FIG. 1, all the five rods 2 are securely connected by the same method. Next, another rod 2a is inserted into a through hole 4a of another short timber la similar to the aforestated short timber I, said through hole 4a corresponding to that 4 of the aforestated short timber 1, an external thread 8a of the rod 2a is caused to project into that large diameter portion 5a of the short timber In which corresponds to the large diameter portion 5 of the timber l, a washer 9 is fitted over the external thread 8a, a lock nut Ila is threadedly fitted over the thread 8a and further the external thread 80 is screwed into said coupling 3, whereupon the rod 2a and coupling 3 are firmly connected by the lock nut Ila and the like. This is the same proceeding as that taken in fixing the coupling 3 to the rod 2 inserted into the timber l, and the parts used are also the same, and

' the fact that a'plurality of rods 2a as shown in FIG. 1

are all fixed is also the same. Inthis manner, as shown in FIGS. 1 and 4, the short timber 1 and another short timber la are firmly connected. The description above has been made of the case in which two short timbers I and. la are connected, and in the case in which the short timbers are used as framed structure as pillars and stakes, any number of short timbers of suitable length, as shown in FIG. 7, depending upon the lengths of the pillars and stakes, are connected to each other by the connection method mentioned above or a connection method to be later described.

. Next, a description will be made of another embodiment of the method of connecting short timbers with reference to FIGS. 5 and'6. In the figures, members and parts used in the same manner as those of the embodiment shown in FIGS. 1 through 4 are indicated by the same or like reference characters for ready understanding. Also, FIG. 5 is a partly cutaway view for the same reason as FIGS. I and 3. In FIGS. 5 and 6 is shown the state in which'the short timbers 1, la and lb are connected to each other by the rods 2, 2', and 2b. The short timbers 1, la and lb are respectively formed with the same through holes 4, 4', 4a, 4a, and 4b, 4b as those in thepreceding embodiment, and in this embodiment also the through holes are formed at five points. Short timbers 1, la and lb are formed at the suitablepoints thereof with recessed cutaway portions 13, 13a and 13b respectively. The cutaway portion 13, 13a and 13b are formed with through holes 4', 4a and 4b respectively. Rods 2, 2', 2a, and 2b inserted into those through holes 4, 4', 4a, 4a and 4b, 4b are formed in each end area thereof with external threads in the same manner as the rods in the preceding embodiment. Next, a description will be made of an example of the method of connecting the short timbers 1, la and lb in this embodiment, and the structure of this embodiment will be illustrated. First, the rod 2' is inserted into thethrough hole 4 of the short timber I. In this case, asapparent from FIG. 6, the through hole 4' is separated right and left as the cut-away portion 13 and each one rod 2 is inserted into the right and left of this through hole 4', namely two rods 2' in all are inserted intothe right and left through holes 4'. For convenience, the left side and the right side in FIG. 6 are called the right and the left respectively. The external thread 8 formed in the end area of each rod 2' is caused to project into the cutaway portion 13 of the short timber 1, a washer 14 is fitted over the external thread 8 and clamped with a nut 15 and a split pin l6 is fitted to thereby fix two right and left rods 2, 2' to the short timber 1. In this case, if a box washer 14' having holes to permit the insertion of each rod 2 therethrough was inserted into the cutaway portion 13 before the insertion of each rod 2, the washer 14 functions effectively not only as a washer but also as a reinforcing member. Next, the rods 2 are inserted into the rods 2 are inserted into the respective holes 4 of the short timber l, couplings 3 and others are fitted over the external threads 8 of the rods 2 in thesame manner as in the preceding embodiment, the rods are connected by the couplings and others to the rods 2a, and the rods are connected to the rods 2b in the same manner. When the short timbers are in this state, a part of the rod 2' and the rods 2a project to the left of the short timber l in FIG. 6 and a part of the rod 2' and a rod 2b other that those projecting to the left project to the right. Thereupon, the rod 2' projecting to the left is inserted into the through hole 4a of the short timber la and the rod 2a is inserted into the through hole 4a to thereby bring the timbers 1 into contact with the timber 1a. The external thread portion 8 in the left end area of the rod 2' that is positioned on the left side of the short timber l is projected into the cutaway portion of the timber 1a, and the rod 2' on the left side is connected by the washer and the nut 15a to the short timber la in exactly the same manner as the short timber I and rod 2 are connected. In exactly the same manner as that, the short timber lb is connected to the right side of the short timber 1. As described above, the portions designated at 17 in FIG. 6 are shown adapted to be connected by the couplings 3 and the like, but they all may instead be connected by the cutaway portions and nuts,

etc. Also, for the convenience of description, different reference characters have been used inexplaining the rods, short timber, and the through holes and the cutaway portions formed therein respectively, which may of course by used not only in the same shape but also in various shapes andsizes. The description above has been made with respect to the case in which three short timbers are connected. It should be understood however that a suitable number of short timbers can be connected in like manner.

Now, a description will be made of the case in which the structural member is used as pillars and stakes in buildings and constructions with reference to FIGS. 7 and 8. In the figures, members and parts the same as or similar to the short timbers and the previously described members and parts are designated by the previously used reference characters to which alphabets are attached. In FIG. 7 the numeral 18 designates a concrete foundation laid on the ground 19, and the numeral 20 designates a groundsill placed on the foundation 18. A short timber 1c constituting this groundsill 20, as shown in FIG. 8 (FIG. 8 is also a partly cutaway view), is formed with longitudinal through holes 4c and large diameter portions 50 in the same manner as the short timbers 1 shown in FIGS. 2 and 2, and is further formed transversely of the timber 10 formed with a suitable number of through holes 21 in such a position as that in which they will not intersect through holes'4c.

Now, referring to an assembly method, the lower part 23 of each of anchor bolts 22 is first embedded in and fixed to the foundation 18 and then a short timber la is laid horizontally on the foundation 18 by fitting suitable holes 21 of a plurality of through holes 21 of the short timber 1c over the respective upper parts 24 of the bolts 22. Thereafter, another short timber 1d and still another are successively connected by the rods 2 and couplings 3 as described in the preceding embodiment until finally the groundsill 20 is completed. Then, the through holes 4e of a short timber 1e which constitutes a pillar 25 and which is similar to that shown in FIG. 2 is fitted over the upper parts 2d of the anchor bolts longitudinally in right-angle relation with respect to the upper parts 24. in this case, it is to be understood that the through holes 21 of the aforestated timber and the through holes 4e of the timber Re which constitutes the pillar 25 are in axial alignment with each other and that the groundsill and the pillar are formed to have no irregularities on their outer surfaces'27 and 26. The short timbers 1e and 1c need not be connected by couplings. In this case, the through holes 4e in the timber le need not be formed in the respective lower end portions thereof with large diameter portions. Next, a short timber If is connected to the top of the timber, 1e by use of rods 2f by the coupling connection method described in the first embodiment, and thus the pillar 25 is constructed. The number of short timbers necessary for construction of the pillar 25 depends upon the height of the pillar 25. A short timber lg in the uppermost step is connected to a short timber lh, that forms a beam 28, at right angles with respect to the short timber 1h, and this timber lh is the same short timber 10 as that which forms said goundsill 20, and the rods 2g inside the short timber lg that forms the uppermost step of the pillar 25 are projected through the holes 21h. of the short timber lh which makes up the beam 28, and the beam 28 and the timber lg are connected by nuts 29 and washers 30. it will be readily understood from the figure that the rods 2g used herein are longer in length than the other rods 2f. Th short timbers that from the beam 28 can also be successively connected to one another by the aforestated connection method by use of the rods .2 and couplings 3 until finally the beam 28 is completed. in the embodiment illustrated in FIG. 7 connection is made by the couplings, etc., shown in FIGS. 1 and 4, but it is to be understood that the connection means shown in FIGS. 5 and 6 can also be employed'in the embodiment. it is clear that of the short timbers shown in FIG. 7 all the timbers other than those designated by the character 10 and 1h may be used in the same shape as that in which those shown in FIGS. 2 and 3 were used. The connection in the embodiments described and illustrated above is made by use of couplings, lock nuts, lock washers or slotted nuts and the like, but this is a mere example and it is clear that not only other conventional types of. connection means may be used in the connectionbut also, depending upon the method'of construction ,-.connection by use of the couplings alone without using the lock washers is possible. Also, if connection is made after a metal or other elastic plate the same in horizontal sectional shape as the short timber has been sandwiched,.w here necessary,- between the respective contact surfaces of the short timbers, the contact surfaces and contact parts of the timbers can be increased in Strength. Furthermore, it is desirable to conceal the is formed so as to conceal the couplings and clamp fittings 30 from outside, the cover'being provided with cavities 32 to receive the couplings and means 33 to connect the short timbers.

In the three embodiments described above, the framed structural member according to the invention has been illustrated by referring chiefly to the method of assembling component members, but is should be noted that the order of assembly may be suitably determined in the execution of construction, depending upon the structures to be made. Also, the short timbers generally represent pillarlike timbers (square timbers) having a length of more than 10 cm and less than em, but the short timbers .used in the invention are not limited to those having that size but theterm is generally so as to include a general timber of long length. '2 As described above in detail, the structural member according to the invention is made up of short timbers connected by rods and suitable connection means, and hence it is formed with such numerous connection portions that even if impactforce and load from outside are applied to the structure, such force and load are dispersed and absorbed at each connection portion. Accordingly, the structure as a whole has greatly increased elasticity and provides a durable structure having far greater elasticity than that made up of conventional long timbers. Moreover, the structure of the invention, by a combination of timbers and rods, can perform a function similar to a steel concrete structure and is optimum as a framed structural member for use-in buildings, structures, vehicles or vessels and the like and is not reduced in strength by the effect of time as is the case with a conventional glued laminated timber.

' Also, the structural member of the invention is made up of timbers and metal rods or rods of rigid material, and particularly in the embodiments described above a framed structural member is provided in which a combination of timbers and metal rods makes it possible to compensate the disadvantages of timber by the metal rods and those of the metal rods by the timber and which is increased in strength by the maximum use of the advantages of timber and metal properties. On the other hand, the conventional framed structural member made of long timbers required that the member'to be used be suitably changed in size and sectional shapes of pillars, beams, etc. in accordance with strength required. Namely, under heavy load, a timber large in sectional area must be used. However, the structural member according to the invention makes it possible to obtain an economical and functional framed structure without changing the sectional shape of the structural member by suitably selecting the quality of material for the rods or pipes to be inserted into the short timbers and the diameters of the rods or pipes, using rods high structure, buildings, vehicles or vessels, etc.

Next, a description will be made of embodiments of the invention with reference to the drawings. The embodiments show the cases wherein the board structure of the invention is used in walls, partition walls, guard rails and floors. In the drawings concerning the embodiments, the walls, partition walls, and floors are shown in the state of the walls, partition walls and assembled in part. The framing of the board structure of the invention will be illustrated by referring to the course of assembly in which the members chiefly making up the walls, partition walls and floors are assembled in accordance with the drawings. But the order of assembly of the board structure of the invention is not limited to the order of assembly in the embodiments to be described hereinafter.

, FIGS. 9 through 14 show the cases wherein the interconnected board structure forms a wall. FIGS. 9, 11 and 12 are partly cutaway views for clearly showing the inside, and FIG. 9 further shows the state of the wall in which some of the wooden bricks making up the wall are removed from the wall assembly. In FIGS. 9, l and 11, the numeral 1 designates a plinth that is used as a base board or base. This plinth l is provided thereacross with a suitable number of through holes 2, said through holes being enlarged in diameter in the lower par of the plinth 1 so as to form a large diameter portion 3 therein. And a linear projection 4 is formed on the top .of the cut in the end areas thereof are first inserted into the through holes 2 of the plinth 1 so that the external thread part5 of the rods or pipes 6 may be positioned in the large diameter portion 3. In the large diameter portion 3 are fastened a suitable washer and a nut 7 to the external thread part5 to thereby connect the rods or pipes 6 to the plinth l. The length of the rods 6 may be suitably determined in accordance with the height of the wall 8 to be completed, and short pipes may be connected in the manner as will be de scribed hereinafter. The plinth 1 into which the rods 6 have been inserted and to which the rods 6 have been connected may be keyed to backing members 99 by a suitable means such as for example a bonding agent 40 in FIG. 9 or bolts and nails 10 in FIG. 11. What is designated by the numeral 1 in FIG. 9 is also a plinth similar to the plinth 1, and rods 6 are inserted likewise into the plinth l and fixed. And one side of the plinth l is brought into contact with one side of said plinth 1 and connected to form a comer part. At this time, in order that the plinths l and 1' may be well adapted to be jointedto each other, the sides of the plinths 1 and 1' that come into contact with each other are cut off to forminclined planes. This is apparent also from FIG. 8.

10 Next, wooden tilelike or bricklike members (hereinafter called simply wooden bricks) are fixed to the plinths 1 and l. A detailed description will be made of the wooden bricks in FIGS. 12 and 13. As shown in FIGS. 12 and 13, the brick 11 is formed of a boardlike short timber worked in the manner later described, and

the configuration of the wooden brick is such that grooves 14 and 15 are respectively formed in the center of the sides 12 and 13 or along the sides of the centerline, and each groove communicates with the other. In cidentally, the numerals 12 and 13 designate two opposing sides. Accordingly, in this embodiment, the wooden brick is formed on all four sides with grooves, which are biased from the center to one side and along which the brick forms sides 12 and 13 each having two edges, one thin and the other thick. Furthermore, a suitable number of through holes 16 and 17 are formed on said sides 12 and 13. In this embodiment, two holes are respectively formed on the sides 12 and 13. The groove 14 on the side 12 has such width and depth as to permit snug fitting of the projection 4 of each of the aforestated pinths 1 and l thereinto. The wooden bricks of the type described are fitted one after another over the aforestated rods 6 through the holes 16, and one groove 14 is fitted over the respective projections 4 of the plinths l and 1. In this manner, as shown by 11a and 11a in FIG. 9, all the wooden bricks in the first step row arefitted.

For the convenience of description in the specification, aforestated, when the bricks are shown assembled into a wall (FIGS. through 11 and FIG. 14), reference characters designating those bricks are indicated by numeral 11 together with an alphabet. And the bricks to be fixed may all be used in the same shape but when the bricks 11a and 11a in the first step row and the bricks 11b and 11b in the second steprow to be later described are assembled in a staggered relation as shown in FIG. 9, the bricks fixed at the end of the wall and those fixed in an external angle portion may be cut in halves and used. In order thatno gap may be formed between the contact surfaces of the sides 12 of the bricks 11a and 11a assembled into the wall, the length of each brick l1 and the position of each through hole are determined, and the through holes 16 are bored so that the axes of the through holes of those bricks assembled may be brought into alignment with the axes of the through holes 2 of the aforestated plinths l and 1', when the bricks are assembled. And the bricks so assembled may be fixed by nails 10 to a backing member 9 in the same manner as the plinths l and 1' (FIG. 11). And when the bricks 11a and 11a are assembled into an external angle portion as shown in FIG. 9, it is only necessary to bring the respective back surfaces 19 of the bricks fixed to the external angle portion into contact with the pillar 18 set up in the external portion as shown in FIG. 14. Furthermore, in this case, each of the bricks lla on one side to the external angle portion and each of the bricks lla' on the other side to the external angle portion are cut off on one side so as to from inclined planed to thereby bring the inclined plane surfaces 20 and 21 into contact with each other as is the case with the aforestated plinths l and 1'. This is apparent also from FIGS. 9 and l4. Between the sides 12 and 13 on which the bricks 11a and 11a assembled in this manner come into contact with each other there is provided a gap 22 by the groove 15 of each of the bricks, into which gap 22 a coupling block 23 is in-

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4033082 *Jul 31, 1975Jul 5, 1977Tokyo Plywood Kabushiki KaishaPlate block
US4484430 *Jun 18, 1982Nov 27, 1984Wendell E. RossmanConnector for a structural member
US4934121 *Jan 12, 1989Jun 19, 1990Superior Walls Of America, Ltd.Integrated reinforced concrete wall structure
US5055252 *Apr 23, 1990Oct 8, 1991Superior Walls Of America, Ltd.Method of constructing an integrated concrete wall structure
US5394667 *Mar 1, 1993Mar 7, 1995Nystrom; RonFlooring construction and method
US5531054 *Jun 9, 1994Jul 2, 1996Ramirez; Jose G.Reinforced wooden wall
US5782048 *Feb 24, 1997Jul 21, 1998Ramirez; Jose G.Reinforced building structure and method of constructing the same
US5896721 *Nov 7, 1997Apr 27, 1999West Company LimitedMetal device for joining wooden members in wooden building
US5921049 *Nov 7, 1997Jul 13, 1999West Company LimitedDevice for forming framework of wooden building
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Classifications
U.S. Classification52/127.12, 52/263, 52/483.1, 52/223.7, 52/220.2
International ClassificationE04B2/70, E04B1/35, E04B1/00, E04B1/26
Cooperative ClassificationE04B2/707, E04B2001/2692, E04B2001/2684, E04B2001/3583, E04B1/2604, E04B2001/2652
European ClassificationE04B2/70C1, E04B1/26B