US 2313880 A
Description (OCR text may contain errors)
Mgrh 116,'1943. RR. LEGGETT, san v2,313,880
CONCRETE WALL FORM Filed Aug. 29, 1941 2 sheets-sheet 1 l INVEN-ron I 8 I BY I Arrofems'y Kann r1?. faafrr, Sn, y
CONCRETE WALL FORM Filed Aug. 29; 1941 2 sheds-sheet 2 Iseli-vzw] e IIE. v-
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INVENToR Patented Mar. 16, 1943 CONCRETE WALL FORM Robert R. Leggett, Sr., Fort Worth, Tex., assignor of .forty-five Worth, Tex.
per centto Clyde Averitt, Fort Application August `29, 1941, Seria1No.408,792
This invention relates to collapsible forming apparatus for concrete foundations, walls, and the like, andit has particular reference to apparatus embodying adjustable standards and supports adapted to retain vertically arranged and spaced temporary walls forming channels to receive poured concrete and itsprincipal object resides in the provision of an arrangement of parts designed to afford a concrete foundation and wall form capable of angular and vertical adjustments whereby various conditions and circumstances canbe economically and expeditious,- ly met resulting in a` great saving of time and expense usually attendant upon such operations.
Another object .of the invention resides in the provision of a form assembly embracing features. enabling the same to be operatively ar-l ranged quickly and with a minimum of effort` and embodying adjustable features adapting the assembly to be arranged along inclined or irregular surfaces thus permitting the erection of a foundation or wall whose upper plane is horizontal irrespective of the contour of the earths surface over which the. assembly is disposed.
A still further object of the invention is manifest in the provision of aunitary assembly embodying a plurality of adjustable standards and brackets capable of vertically supporting the forming walls of the assembly having pivotal connections with the said standards permitting vertical angular adjustments of the said `forming walls with respect to the said standards cont formably adapting the said` formingfwalls to `the inclinations or irregular conformations of the earths surface, to remain in vertical position'with` respect to the inclination of the said forming walls. Y
l An object of the invention is that'of providing both right angle, or corner supports, and obtuse angle supports for the said forming Walls and adapting the latter to be :hingedly connectedto the said supports whereby angular variations can be accomplished in the linear course of the said Wall or foundation, and at once, allow forthe vertical pivotingof the said forming wall to the said standard' providing for both vertical and lateral adjustments of the 'said forming wall.
Broadly, the invention seeks to comprehend the provision of a form assembly for foundations,`
Walls, and the like, comprising an arrangement of elements adopting the same to be employed under practically all circumstances and conditions without regard to height or thickness of the wall, `or` :the contour of which the same is constructed, andproviding a yet allowing the-said standards the earths surface over collapsible-assembly adapted to be moved from onestructure to another with a minimum of effort and Which is capable of saving both material and labor, as well as time'.
While the foregoing objects are paramount,
\ other and lesser objects will become manifest as 30. i' the wall standardards having `an adjustable base thedescription proceeds when taken in connection with the appended drawingsewherein:
Figure l is a fragmentary perspective illustration of the assembly showingan adjustable right angle standard and a jointassemblv Figure 2 is a fragmentary plan view illustrating both right angleA and obtuse angle assemblies, as.` well as ajoint assembly, for the forming walls.
Figure3 illustrates, fin' perspective, a right angle connecting plate adapted to be pivotally connected to a wall assembly, Y l r Figure 4 is a perspective illustration of an adjustable angular support having the pivotal connecting plate hingedly fonn'ected therewith and which is especiallyadapted to the `obtuse angle construction illustrated in Figure 2. Figure shows the invention fragmentarily as the same is applied vtoan inclinedsurface, and
illustrating the .manner-Hin which the joint plates and angular or cornerplates are pivotally con'- nected to the wall sections and showing, in dotted lines, the. gradelevel or top of the foundation or `wall structure formed by the' assembly.
`Figure 6 is an elevational illustration, of one of adopting the same to .bead'justed to a vertical position, as illustrated in ldotted lines, on irreguflar surfaces.
Figure '7 fragmentarily illustrates, in perspecf tive, the extensibly adjustable brace member. for the standards shownV particularly.in Figures 1 and, and
Figure 8 is a frontperspectiveview of the. corner standard assembly showing the pivotal connection with the; wall sections.
`Conventifmal methods employed in the construction oflconcretewalls and foundationsoften result in greatV waste due to thefact that mate-t rials so employed are,for the most part, useless4 for other purposes when the structuresV are completed. Much time is also reduired, and consesilently a great expense is entailed, in the construction of forms by conventional methods. since the materials used therein must be cut vandfitted `tothe particular job ,andafterwards vthrown away vwith a resultingrunnecessary loss `of labor and much ofthe materials. A primaryobject of the invention, therefore, is that of providing an arrangement whereby.v even unskilled workmen,
proper-intervals and the standards I and the bases 2 are preferablyformed vfrom angle iron to insure which the bases Il are illustrated in Figure 6. The braces 4 are extensi-A bly adjustable, being comprised of a pair of lapping members a and b havingY theirmeeting surfaces corrugated at c, as illustratedin Figure Asuflicient y strength and to provide projecting flanges to secured atJ each end, asl
7, and each are slotted at d to receive'a bolt 5 onrwhichawing nut' is threaded.` In thismanner, .and by'reason of the fact that the member 4 is pivotally connectedy at e and f to thefupright standard I and thebase member- 2, and by rea sonr .of 'the' hinged 'connection 1 between the members! and 2, the standard l can be maintained ina vertical positiony irrespective of the position'of V,therbase member 2, as illustratedin dotted -lines in Figure 6'.
All of Vthe'vertical'stan'dard assemblies, cornprisingl thel upright' members! and the 'base members 2', .and ltheir.' :associated elements, are preferably uniform in-structure, but may vary in ,heightirom' approximately 18 to several feet in .order-that .they maybe adaptable to walls ofvarying height, as 4illustratedin Figure. 5. Each .of the standard members are adapted to support vthe Walls atintervalsy which may vary according to .conditions andthe particular requirements on each structure.
The .wall4 units comprise a plurality of pref'-l erably tongued andwgrooved pieces'of lumber 8, which'I may -vary inwidth dimensions so thatr thewalls maybe of different-heights, 4in the' manner illustratedl in Figure 5. Eachfoflthepieces- 8 are provided with apertures so` that..metal.cleats 9 can` b-e secured thereto at properv intervals to sufficientlyV reinforce theiwall, as-fillustratedin Figures 1 and 5.
*TheV ends of-eaeh oi thepieces 8 are slotted. atA
III. to receive the boltsll in the connecting plate l2 v.which will be presently described.
Aty each of the jointsbetween the wall. sec'- tions aconnecting plate I2 is provided which is pivotally. secured toA one of the standards` I throughthe medium ,of-v a bolt I3 arranged centrallvthrough .the member I2, asillustrated particulerly in Figure l'. Each of the4 membersv I2 but. .of conventional comprises a metal plateadaptedeto be vertically' positioned and formed withpoutwardly extending integral' anges VIAV u iforml'y spacedl from the sides of. the platev I2 forming substantially rectangular receptacles on'each side thereof for Athe endsothe wall boards 8' when Va metal cleat I5 is applied exteriorly of. the assembly. as illus-l trated in Fgure'LJBoth' the'mem'bers I2 and: l5Y
are provided with' a plurality yof` apertures I5 to receive bolts I! which extendthrough the slots lll of the wall boards 8 in the manner previously described.v K
' Asthe wall sections are assembled, therefore, the-vertical standards I are positioned along the excavation for the members I2 are secured thereto by thebolts I3 so that themernbers I2' can pivot on the standards I.
the foundation vand spaced at are assembled in sections, their height being determined by the number of the pieces employed, and secured together by the cleats 9. Such sections are joined to the members I2 by inserting the ends thereof into the substantially rectangular receptacles formed on each side of the members I2 and the slots I9 receive the bolts I I already in position Liin the member I2 y and extending through the` cleat I5 associated therewith. After the proper adjustment is made the bolts il can be tightened securing the ends of the wall sections to .the joining plates I2 completing a rigid wall which may be pivotally adjusted, as illustrated'- in Figure 5, to the inclination of the earths surface.
It is preferablethat wherever joints in the wall section occur, and Where the joining plates I2 are to be employed, one of the vertical standare assemblies, as shown in Figure 6, be i stalled opposite each of the joining.,r .plates I2, as shown in Figure 2, so thatthe plate members I2 may be staggered with respect to'each other, the wall sections. employed being of dierent lengths. and terminating at diierent points along the linear course of the wall. This arrangement,- however, is not .essential to the proper. operations of the device.
Both-right angle and obtuse angle structures are provided, as illustrated in Figures 1, 3, 4, and 8, bywhi'ch the linear course of the Wall canbe formed.. Theright angle assembly,.providing for right angle corners in the foundations or'wall` structures, primarily comprises an-angular plate I1,'illustratedin Figure 3, having each ofy its eX'- tending flanges 'I8` formed with their edges inclined from the center toward each end defining a substantial triangle' at the center of which is provided an. aperture. I9, Aadaptedito receive a bolt '20 pivotally connecting' the assembly to a Wall section. At each joint of the wall section coupling Iplates 2|, formed with a double bend 22 longitudinally thereof, are provided opposite flat plates 23'which combination form clevises by which the wall sections canV be secured to the plateslljthrough the medium of bolts 24 arranged through a series of1 apertures 25 in each of'the'members 2l and 23 so that the slots I0 in the ends ofthe-members 8 will engage the bolts' 2.4 in thesame manner that the wall sections' are connected to the joining plates I2 previously described. Figures 3 vand 8 illustrate thev manner in' which; the wall sections are pivotally connected to thecorn'er or angle'plates I1 thus permitting Vthe forming walls to assume theposition illustrated in Figure 5 while all of the standards re'-` main in upright or vertical positions;
The angular plates` I1 are secured to stand'- ards 26 which are formed substantially'V-shaped in cross-section at their upper ends with'angular flanges 2T conformable to the angular shape of the vmembers I1, as illustrated inrFiguresl and: 8',r andl are bolted or otherwise secured to the' members 'Il'. An' Vextensibly adjustable brace'Y member' 4 illustrated in Figures and 7, is pivotally connected 'to'` a projecting' lug 28 secured -torthetupperends of each of the "standards'ZiA andv to the'rlanged'laterally extending base 2 at their lower/ends, in the same manner as the member 4f isV 'secured to the" standardassembly' illus- The wallrboards'i 75 trated in Figure'. The' base members 2v of the standardsV 261s also hingedly connected at 'I to the'latter'. 'f Y v It is'obvious that either the structure illustratedv y in Figure 3' or the" assembly shown in Figurey 4 may" b'e employed for the rightangleformations asiasso of the foundations, or wall structures, but it is preferable that the device shown in Figure 4 be used. This structure comprises primarily an angular member 29 formed with longitudinal flanges 30 each having plates 3| hingedly connected thereto through the medium of hinges 32, the plates 3| being formed with their outer edges inclined toward each end defining a substantial triangle at the apex of which, and intermediate the ends of the plates 3|, are provided apertures 33 similar tothe apertures I9 of the members shown in Figure 3. The apertures 33 are adapted vto receive the bolts 2!) to which the clevis assemblies can be pivotally connected in the same manner as that illustrated in Figure 3. rlhe clevis assemblies, as previously stated, are comprised of the plates 2| having the longitudinally extending double bend 22, and the flat plate 23 adapted to be positioned interiorly of Wall structures, as illustrated in Figures 1 and 2, and to which may be secured the wall sections of the form through the medium of the bolts 24 engaging the notches I in the members 8.
It will be observed that in providing an obtuse angle, such as those illustrated in Figure 2, the device shown in Figure 4 can be adjusted to varying degrees of angulation While the structure illustrated in Figure 3 is rigid and is adapted only for a right angle position. It is preferable, therefore, that more of the structures illustrated in Figure 3 be provided since this device would be less expensive in construction than the assembly shown in Figure 4 and since it is obvious that fewer obtuse angles lwould be required in the construction of foundations and walls than the corner constructions for which the device illustrated in Figure 3 is particularly adapted.
To insure rigidity of the assembly constituting the plates 2| and 23, by `which the Wall sections of the forms are connected to the plates I1 and 3|, locking :devices 34 are provided which comprise substantially U-shaped clips having one leg pivoted at 35 to the exterior of the assembly, preferably to the plates 2|, and having the other leg of the device over reaching the inside plate 23, as illustrated in Figures 1, 3, and 4, 4providing a latch adapted to be dropped over the assembly of the elements 2|, I1, and 23 securing these members in cooperation ywith the bolts `261.
'I'he forming walls are Iarranged to be variably spaced by lateral ties 36 ,which are provided at each end with a plurality of spaced apertures 3l through which bolts 38 are secured, in the manner illustrated in Figure 1, connecting the wall structures. The ties 3E are preferablysecured to the upper ends of the standard assemblies or to the members 26 where the ties 36 are employed across an angle as illustrated in Figures 1 and 2. Obviously, by reason of the plurality of apertures 3T on each end of the ties 35, the
Wall sections can be spaced according to the indii vidual requirements.
The only difference between the inner and outer right angle forming assemblies, as illustrated in Figures 3 and 4, as the same are applied to the forming structure, is that the inner assembly as shown in Figure 1 is reversed in assemblage,
the standard 26 supporting the angular plates being positioned within the angle rather than exteriorly thereof, as illustrated in Figure l, for the interior support of the right angle structures.
The foregoing is the preferred embodiment of the invention and it is not intended that the disclosure be limi-ted to the specific details of material and construction since persons skilled in 3 the art may readily resort to certain changes and modifications from time to time and such changes and modications which maybe regarded as falling Within the spirit and intent of the invention may also be regarded as falling within the scope of the appended claims.
What is claimed is:
`1. A -collapsible form assembly for forming building foundations and walls comprising, in combination, a plurality of sectional wall units of different lengths adapted for parallel spaced arrangement forming a channel, coupling plates secured to the ends of the said wall units at junctures thereof, corner plates formed with right angle flanges pivotally connected with the ends of certain of the said wall units, vertical standards having hinged base members extending laterally therefrom providing vertical supports for each of the said coupling plates and the said corner plates, each of the said standards having an extensibly adjustable brace member connecting the same with their said base members.
2. A portable and collapsible form assembly for concrete wall structures, `in combination, a plurality of wall units of varying heights and lengths adapted for parallel alinement to form a channel for poured concrete, coupling plates secured -to the said wall unit and providing interchangeable joints therefor, corner plates formed with right angle pivotal connections supporting the said wall units, vertical standards having laterally extending adjustable bases hingedly connected therewith, means providing a pivotal connection between each of the said standards and the said coupling plates and an extensibly adjustable brace member pivotally connected with each of the said standards and the said base members to adjust the latter with respect to the vertical planes of the said standards on irregular horizontal surfaces.
3. A forming assembly for poured concrete wall structures, in combination, a plurality of wall units of varying heights and lengths, wall couplings interchangeably connecting thel said units forming parallel spaced Walls defining a channel, angular corner couplings pivotally connected to the ends of the said walls adapting the latter to variable inclined planes, a plurality of vertical standards having hinged laterally extending base members providing vertical supports for the said walls at each of the said couplings, pivotal connections between the said wall couplings and the standards therefor and extensible brace members providing for the variable adjustment of the said base members compensating for variations in the inclinations of the earths surface with respect to the vertical positions of the said standards.
4. In a forming assembly Afor concrete wall structures comprising wall units adapted to be associated in parallel spaced relation forming a channel, coupling plates connecting the said units, vertical standards pivotally connected with each of the said coupling plates adapting the said wall to variable inclinations of the supporting ground surface, base members hingedly connected to each of the said standards and extensible braces adjustably connecting the said standards with the said base members in conformity with the said ground surface with respect to the vertical positions of the said standards.
5. In a portable form assembly for concrete wall structures including a plurality of wall units adapted to be assembled in parallel and spaced Walls forming a channel, wall couplings interchangeably joining the said units, corner couplings providing angular pivotal joints for. the said units; .Vertical supporting standards pivotally connected to the said Wall `couplings and.` similar members'rigidly connected to the said corner couplings adapting the said Walls-to variable inclined planes and base members hingedly connected to each of the said standards adjustably retaining the same in a vertical plane.
6. -In a portable form for concrete Wall structures including Wall units of varying'heights and lengths and.- arranged in parallel spaced relationship, interchangeable'couplings connecting the said units, standards supporting the` said walls having a pivotal connection with each of the said couplings, angular wall couplings forming corners for theisaid Walls and having pivotal connections therewith, standards rigidly supporting each of the said angular couplings and adjustable bases hingedly connected with each of the said standards adapting the same to variable planes 10 with respect to a vertical plane.
ROBERT R. LEGGETT, SR.