# Patent

## Title
Adjustable locator retaining wall block and mold apparatus

## Abstract

A system of retaining wall blocks, a method of assembling a retaining wall block assembly, and a mold for manufacturing retaining wall blocks having adjustable engagement configurations.

## Background
RELATED APPLICATIONS
The present application is a continuation of U.S. patent application Ser. No. 14/311,194, filed Jun. 20, 2014, which claims priority to U.S. Provisional Patent Application No. 61/838,205, filed on Jun. 21, 2013, which is hereby incorporated by reference for all purposes as if set forth herein in its entirety.


TECHNICAL FIELD
The present disclosure relates to retaining wall blocks, and more specifically to a retaining wall having adjustable positioning engagements and a mold for manufacturing such.
BACKGROUND OF THE INVENTION
Retaining wall blocks can be manufactured and arranged in a variety of different ways.
SUMMARY OF THE INVENTION
A system of retaining wall blocks, a method of assembling a retaining wall block assembly, and a mold for manufacturing retaining wall blocks having adjustable engagement configurations.
Other systems, methods, features, and advantages of the present disclosure will be or become apparent to one with skill in the art upon examination of the following drawings and detailed description. It is intended that all such additional systems, methods, features, and advantages be included within this description, be within the scope of the present disclosure, and be protected by the accompanying claims.



BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
Aspects of the disclosure can be better understood with reference to the following drawings. The components in the drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the present disclosure. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views, and in which:
FIGS. 1A through 1C are diagrams of a retaining wall block in accordance with in accordance with an exemplary embodiment of the present disclosure;
FIGS. 2A through 2C are diagrams of retaining wall blocks in accordance with in accordance with an exemplary embodiment of the present disclosure;
FIGS. 3A through 3B are diagrams of retaining wall blocks in accordance with in accordance with an exemplary embodiment of the present disclosure;
FIGS. 4A through 4B are diagrams of a mold shoe in accordance with an exemplary embodiment of the present disclosure;
FIG. 5 is a diagram of a mold shoe in accordance with an exemplary embodiment of the present disclosure; and
FIG. 6 is a flow chart of a method for manufacturing a retaining wall with an adjustable incline angle, in accordance with an exemplary embodiment of the present disclosure.



DETAILED DESCRIPTION OF THE INVENTION
In the description that follows, like parts are marked throughout the specification and drawings with the same reference numerals. The drawing figures might not be to scale and certain components can be shown in generalized or schematic form and identified by commercial designations in the interest of clarity and conciseness.
FIGS. 1A through 1C are diagrams of a retaining wall block 100 in accordance with an exemplary embodiment of the present disclosure. Retaining wall block 100 can be formed from masonry, concrete or other suitable materials, using a wet cast process, a dry cast process or other suitable processes. As shown in FIG. 1A, retaining wall block 100 includes a top face 105, engagement cavity 110, and textured front face 115. Textured front face 115 can be formed by splitting retaining wall block 100 from a second retaining wall block 100, as discussed in greater detail below. As shown in FIG. 1B, which is a front view of retaining wall block 100, front face 115 includes a false joint 120 for aesthetic purposes.
As shown in FIG. 1C, which is a side view of retaining wall block 100, retaining wall block 100 further includes bottom surface 125 having at least one engagement protrusion 130. Engagement protrusion 130 is configured to interface with engagement cavity 110 of an underlying retaining wall block 100. Furthermore, the front engagement cavity 110 is offset from the location of engagement protrusion 130, so as to result in a staggered incline as successive rows of retaining wall blocks 100 are formed. In one embodiment of the present disclosure, the incline of successive rows of retaining wall blocks 100 is generally vertical with no staggering.
FIGS. 2A through 2C are diagrams of two engaged retaining wall blocks 100 and 200, in accordance with an exemplary embodiment of the present disclosure. As shown in FIG. 2A, retaining wall blocks 100 and 200 include top faces 105 and 205, respectively, engagement cavities 110 and 210, respectively, and textured front faces 115 and 215, respectively. As previously discussed, retaining wall blocks 100 and 200 can also have false joints 120 and 220, respectively, for aesthetic purposes, as shown in FIG. 2B. Likewise, other suitable false joints can also or alternatively be used.
In one embodiment of the present disclosure, first retaining wall block 100 is disposed onto a top surface 205 of a second retaining wall block 200. As shown in FIG. 2C, first retaining wall block 100 can positioned so that engagement protrusions 130 align with and fit into engagement cavity 210 of second retaining wall block 200.
In one embodiment of the present disclosure, the angle and configuration of engagement notches 110 and 210 and engagement members 130 and 230 can be varied to allow the blocks 100, 200 to be assembled with an offset. In one exemplary embodiment of the present disclosure, the angle of engagement notches 110 and 210 can be between about 30 degrees and about 90 degrees. Likewise, the angle of engagement members 130 and 230 can be between about 30 degrees and about 90 degrees.
FIGS. 3A and 3B are diagrams of retaining wall blocks 302A, 302B and 302C, in accordance with an exemplary embodiment of the present disclosure. FIG. 3A shows an overhead view of retaining wall blocks 302A, 302B and 302C, with block 302A centered over blocks 302B and 302C. In addition, internal support 304A of block 302A is aligned with internal support 306B of block 302B, and internal support 306A of block 302A is aligned with internal support 304C of block 302C.
FIG. 3B shows an underside view of retaining wall blocks 302A, 302B and 302C. As can be seen, the blocks are H-shaped, and each include engagement cavities on a top surface and engagement protrusions on a bottom surface that can interlock with the engagement cavities at the top of underlying blocks. The location of the engagement cavities and engagement protrusions is adjustable, as previously described, so as to allow the angle of incline for the wall to be selected.
FIG. 4A through 4B are diagrams 400A and 400B of a mold for manufacturing retaining wall blocks, in accordance with an exemplary embodiment of the present disclosure. The mold can be formed from steel or other suitable materials, and can be configured to handle masonry, cement or other suitable materials.
As shown in FIGS. 4A through 4B, the mold includes a base portion 402 having a ridge 404, which is used to form the notch at the top of the block. The body 406 of the mold is placed on top of the base portion, and a shoe 408 with adjustable inserts 410 and 412 are provided that can be used to create blocks with different angles of incline, such as to allow a wall designer to specify an angle of incline. Inserts 410 and 412 interlock with shoe 408, such as by using a mechanical interlock device, screws or in other suitable manners.
FIG. 5 is a diagram of a mold shoe 500 in accordance with an exemplary embodiment of the present disclosure. Mold shoe 500 includes body 502 and insert channel 505 that can be used to change the location of the at least one engagement protrusion. For example, by using insert A 510, the location of the at least one engagement protrusion is farther back than when using insert B 515. The location of the at least one engagement protrusion defines the incline of the wall, such as to allow the incline to be adjusted based on design specifications.
FIG. 6 is a flow chart of a method for manufacturing a retaining wall with an adjustable incline angle, in accordance with an exemplary embodiment of the present disclosure. Method 600 begins at 602, where an inset associated with a selected angle of incline is selected and incorporated into a mold. In one exemplary embodiment, the inset can be configured to interlock with a shoe of a mold assembly, such as by using a mechanical interlock, can be secured using screws or can otherwise be attached to the mold assembly. The method then proceeds to 604.
At 604, the mold is filled with masonry, cement or other suitable materials.
At 606, the shoe is used to compress the material into the mold and the shoe and mold is then removed.
At 608, the material is allowed to harden.
It should be emphasized that the above-described embodiments are merely examples of possible implementations. Many variations and modifications may be made to the above-described embodiments without departing from the principles of the present disclosure. All such modifications and variations are intended to be included herein within the scope of this disclosure and protected by the following claims.

## Claims

1. A concrete retaining wall block comprising:
a front member having a height, a width, a front surface and a rear surface;
a rear member oriented substantially parallel to the front member;
two transverse members connecting the front member to the rear member and forming a core therebetween, the transverse members oriented substantially perpendicular to the front and rear members and spaced such that stacking multiple courses of the concrete retaining wall blocks in an overlap running bond causes the transverse members to substantially superpose each other, each transverse member comprising:
an integrally-formed engagement protrusion located on a bottom surface adjacent to the front member and adjacent to an integrally formed cavity, the sides of the integrally-formed engagement protrusion being substantially coplanar with the sides of the transverse member; and
a forward engagement cavity located on a top surface of the two transverse members adjacent to the front member, and a rear engagement cavity located on the top surface of the two transverse members adjacent to the rear member.

2. The concrete retaining wall block of claim 1 wherein a surface of the engagement cavity is parallel with a top surface of the front member.

3. The retaining wall block of claim 1 wherein the engagement protrusion is configured to interlock with the engagement cavity.

4. The retaining wall block of claim 1 wherein the engagement protrusion is configured to interlock with either the forward engagement cavity or the rear engagement cavity.

5. The retaining wall block of claim 1 wherein the front member further comprises a top portion and a bottom portion.

6. The retaining wall block of claim 1 wherein the front member further comprises a flat top portion and a flat bottom portion, the flat bottom portion configured to be placed on the flat top portion of an underlying one of the concrete retaining wall blocks.

7. The retaining wall block of claim 1 wherein the rear member further comprises a flat top portion and a flat bottom portion, the flat bottom portion configured to be placed on the flat top portion of an underlying one of the concrete retaining wall blocks.

8. The retaining wall block of claim 1 wherein the front member further comprises a flat top portion and a flat bottom portion, the flat bottom portion of the front member configured to be placed on the flat top portion of a front member of an underlying one of the concrete retaining wall blocks, and the rear member further comprises a flat top portion and a flat bottom portion, the flat bottom portion of the rear member configured to be placed on the flat top portion of a rear member of an underlying one of the concrete retaining wall blocks.

9. The retaining wall block of claim 1 wherein the rear member further comprises a height, a width, a front surface and a rear surface.

10. The retaining wall block of claim 1 wherein the rear member further comprises a height, a width less than the width of the front member, a front surface and a rear surface.

11. The retaining wall block of claim 1 wherein the rear member further comprises a rear surface that is substantially parallel to the front surface of the front member.

12. A concrete retaining wall block comprising:
a front member having a height, a width, a front surface and a rear surface;
a rear member oriented substantially parallel to the front member; and
two transverse members connecting the front member to the rear member and forming a core therebetween, each transverse member having a first cavity along a top surface adjacent the front member, a second cavity along the top surface adjacent the rear member and a third cavity along a bottom surface.

13. The concrete retaining wall block of claim 12 wherein the transverse members are oriented substantially perpendicular to the front and rear members.

14. The concrete retaining wall block of claim 12 wherein the transverse members are spaced such that stacking multiple courses of the concrete retaining wall blocks in an overlap running bond causes the transverse members to substantially superpose each other.

15. The concrete retaining wall block of claim 12 wherein each transverse member comprises an integrally-formed engagement protrusion located on a bottom surface adjacent to the front member.

16. The concrete retaining wall block of claim 15 wherein the sides of the integrally-formed engagement protrusion are substantially coplanar with the sides of the transverse member.

17. The concrete retaining wall block of claim 12 wherein each transverse member comprises an engagement cavity located on a top surface adjacent to the front member.

18. A concrete retaining wall block comprising:
a front member having a height, a width, a front surface, a rear surface, a flat top portion and a flat bottom portion, the flat bottom portion configured to be placed on the flat top portion of an underlying one of the concrete retaining wall blocks;
a rear member oriented substantially parallel to the front member and having a height, a width less than the width of the front member, a front surface, a flat top portion and a flat bottom portion, the flat bottom portion configured to be placed on the flat top portion of the underlying one of the concrete retaining wall blocks, and a rear surface that is substantially parallel to the front surface of the front member;
two transverse members connecting the front member to the rear member and forming a core therebetween, the transverse members oriented substantially perpendicular to the front and rear members and spaced such that stacking multiple courses of the concrete retaining wall blocks in an overlap running bond causes the transverse members to substantially superpose each other, each transverse member comprising:
an integrally-formed engagement protrusion located on a bottom surface adjacent to the front member, the sides of the integrally-formed engagement protrusion being substantially parallel with the sides of the transverse member; and
an engagement cavity located on a top surface adjacent to the front member, wherein a surface of the engagement cavity is parallel with a top surface of the front member, the engagement cavity further comprises a forward engagement cavity and a rear engagement cavity, the engagement protrusion is configured to interlock with the either the forward engagement cavity or the rear engagement cavity.