US2791819A - Cleats for concrete form moldboards - Google Patents

Description

May 14, 1957 C. S. CARLSEN CLEATS FOR CONCRETE FORM MOLDBOARDS Filed Dec. 22, 1955 INVENTOR. CHR\$T\AN s. CARL-SEN TTORNEYS CLEATS FOR CONCRETE FORM MOLDBOARDS Christian S. Carlsen, Fox Island, Wash.

Application December 22, 1955, Serial No. 554,698

2 Claims. (Cl. 25-131) Summarized briefly, this invention is a cleat of elongated, approximately right-triangular shape, attachable to a vertical support together with like other cleats, in an arrangement such that moldboards secured to said support will be tilted. Due to the arrangement, a concrete slab formed in the mold or form will have one surface thereof so molded as to simulate the exterior surface of a clapboard or shake-type wall.

it has been previously suggested to provide forms for pouring concrete, having one wall shaped to impart the above mentioned appearance to the completed concrete wall construction. The main object of the present invention is to improve upon this type of mold, by permitting the use of conventional moldboards and conventional supports, the moldboards being arranged to produce the desired surfacing on the completed concrete wall entirely by the provision of relatively small, light cleats interposed between the moldboards and their associated supports.

A more specific object is to permit the cleats to be secured directly to the vertical supports, and to further permit the moldboards themselves to be secured directly to said supports despite the fact that the moldboards are spaced over their entire areas outwardly from the vertical supports by the cleats.

A further specific object is to permit the moldboards to be readily detached from their associated supports when the form is being knocked down, with the cleats to be either left upon the supports awaiting their next use or alternatively, removed from said supports and stored in a small area.

Other objects will appear from the following description, the claims appended thereto, and from the annexed drawing, in which like reference characters designate like parts throughout the several views, and wherein:

Figure 1 is a fragmentary perspective view of one wall of a concrete form erected with cleats made according to the invention;

Figure 2 is a vertical sectional view through a portion of the form with concrete poured therein;

Figure 3 is a top plan view of the form;

Figure 4 is an enlarged, fragmentary, vertical section on line 44 of Figure 3;

Figure 5 is an enlarged perspective view of one of the cleats per se; and

Figure 6 is a perspective view of a modified form of cleat.

Designated at 10 are horizontally spaced, vertical supports which may be conventional 2 x 4 material. At 12 there have been designated horizontally extending, elongated moldboards of conventional Wood stock, such as ordinary lengths of sheathing.

The invention, comprising a cleat 14, is adapted to permit conventional vertical supports 10 and conventional moldboards 12 to be used in the molding of a concrete wall one face of which will simulate a clapboard or shake construction.

The cleats are used in a vertical series, one series on ted States Patent 0 2 each support 10 as shown in Figure 1. In Figures l-5, the cleats are formed from wood material, and since all are identical, the description of one will suflice for all of them.

Each cleat (see Figure 5) comprises an elongated, relatively narrow body which in side elevation has the outer configuration of a long, inverted right triangle (see Figures 2 and 4). Thus, each cleat included a supportboard-contacting face 16, extending at acute angles to a moldboard-contacting face 18. The first named face constitutes the hypotenuse leg of a right triangle, and at the upper end of the body there is provided a fiat top face 20 lying in a plane perpendicular to the plane of face 18.

Medially between the opposite side surfaces of the cleat body, there is formed at the juncture of faces 16, 20 a shallow recess 22, the inner wall of which is sloped so as to lie in parallelism (see Figure 2) with face 18 of the cleat body. At the lower end of said body there is formed medially between opposite sides thereof a short tongue 24, projecting beyond the end of the body where the faces 16, 18 converge.

Due to this arrangement, when any cleat is attached in a vertical position to a support 10, the depending tongue 24 of the cleat next above the same will fit into the recess .22 of the cleat already attached. This facilitates the .below the same.

proper disposition of the cleats in vertical alignment, effects an interlocking of the cleats of the vertical series, and insures spacing of each cleat at the lower ends of its faces 16, 18 from the top surface 20 of the cleat next Most importantly, however, conventional boards such as shown at 12 swell or shrink according to climatic changes, and the tongue and recess arrangement permits adjustments of the cleats to take care of these variations in board sizes.

Medially between the ends of face 16, there is formed a transverse, rectangular recess 26, extending fully fromone to the other side of the cleat body, and fomned in communicates between the recess 26 and the face 18. The opening extends perpendicularly to face 18 as shown in Figure 4.

In attaching the cleats to the moldboard supports 10, one first secures to the lower end of the support a laterally projecting base block 29 (see Figure 2), having a top surface inclined into a plane parallel to the top surface Ztl of any cleat of the series. Then, the cleats are attached, starting at the lowerend of the support. Each cleat is secured to the support by a nail 28, the head of which is countersunk in the face 18. After each cleat is attached, the depending tongue 24 of the cleat next above the same is inserted in the recess 22 of the attached cleat, the operation being continued through the desired part of the length of the support lb.

Then, the moldboards 12 are attached to the supports, with the cleats serving as spacers between the supports and moldboards.

It is important to note, in this regard, that the moldboards are not attached to the cleats. Rather, nails 30 driven through the moldboards are extended directly into the supports 10 at opposite sides of each cleat, in the manner shown in Figure 3. As will be observed, the abutting ends of adjacent moldboards can be disposed with their line of contact medially between the opposite side surfaces of an associated cleat, with nails 30 then being driven through the moldboards adjacent said line of contact, in spaced relation to the respective, opposite sides of a cleat.

The other wall 32. of the form may be wholly conventional, since this will mold the inside surface of the concrete wall. Thus, wall 32 lies wholly in a vertical plane,

Patented May 14, 1957.

3 and is reinforced by and secured to conventional, vertical supports 34.

When the mold has been erected concrete is poured thereinto to provide the desired concrete wall or slab 36. Following setting of the concrete, the mold is broken away therefrom, and the results will be a concrete wall the outer surface of which simulates with considerable faithfulness a wooden clapboard wall.

The concrete wall can of course be painted or for that matter the concrete itself may be colored if desired, to further add to the closeness of the resemblence between said wall and a clapboard construction.

When the concrete form is to be disassembled, the moldboards may be readily detached from the supports by being pried ofi the supports, or bybeing struck hammer blows from the left in Figures 1 or 3'. This does not disturb the cleats, however, and they can be left attached to the supports if desired, to facilitate the subsequent erection of a similarly constituted form.

Of course, the cleats themselves can be readily removed from supports 10, since the recesses 26 permit the insertion of any suitable tool, such as the claw of a hammer or the end of a crowbar, into the recess. When this is'done, the cleats can be easily pried oif the supports 10.

In Figure 6 there is shown a modification of the construction wherein the cleat 10a is formed from a single length of strap metal, to provide a body having angularly related faces 16a, 18a, and a top face 20a. An opening formed in the body at the juncture of faces 16a, 20a forms the recess 22a, and an inwardly offset portion of face 16a, having a nail receiving opening 27a, provides the recess 26a. A tongue 24a is provided by contacting extensions of the end portions of, the length of strap metal at the convergent ends of surfaces or faces 16a, 18a respectively.

It will be seen that the modified construction has a shape and functional characteristics identical to the cleat shown in Figure 5.

An opening would of course be formed in the portion I of the cleat providing face 181:, in back of the opening there has been a slight swelling of the boards 12. Then, D

should they be too high, a slight tap with a. hammer will drive them downward into place.

It is believed apparent that the invention is not necessarily confined to the specific use or uses thereof described above, since it may be utilized for any purpose to which it may be suited. Nor is the invention to be necessarily limited to the specific construction illustrated and described, since such construction is only intended to be illustrative of the principles of operation and the means presently devised to carry out said principles, it being con sidered that the invention comprehends any minor change in construction that may be permitted within the scope of the appended claims.

What is claimed, is:

l. A concrete form wall construction comprising spaced, vertical supports; a plurality of cleats secured to said supports and aligned longitudinally of the supports, said cleats each having one face abutting said supports; a plurality of horizontally extending moldboards secured directly to said supports and spaced outwardly therefrom by the cleats, said cleats having also moldboard-contacting faces oblique to the lengths of the supports for correspondingly disposing the several moldboards in planes oblique to the lengths of the supports, thus to arrange the moldboards in 'a manner designed to provide, on one face of a concrete wall molded in the form, the simulation of a clapboard wall, and cooperating means on adjacent cleats for interlocking the cleats in longitudinal alignment on said supports.

2. A concrete form Wall construction comprising spaced, vertical supports; a plurality of cleats secured to said supports and aligned longitudinally of the supports; and a plurality of horizontally extending moldboards secured directly to said supports and spaced outwardly therefrom by the cleats, said cleats having moldboardcontacting faces oblique to the lengths of the supports for correspondingly disposing the several moldboards in planes oblique to the lengths of the supports, thus to arrange the moldboards in a manner designed to provide, on one face of a concrete wall molded in the form, the simulation of a clapboard wall, each of said cleats having the configuration of an elongated, inverted right triangle, and having at its apex end a tongue projecting beyond said apex end, each cleat having at its opposite end a recess proportioned to receive the tongue of a cleat next above the same.

References Cited in the file of this patent UNITED STATES PATENTS 929,938 Haldeman Aug. 3, 1909 966,802 Daisley Aug. 9, 1910 1,164,352 Jackson Dec. 14, 1915 2,168,991 Hungerford Aug. 8, 1939

Images