This disclosure relates to, without limitation, storage rack guard brackets.
Storage rack guards prevent stored items from inadvertently falling from storage racks, causing damage and/or risks to personnel. Previously known storage rack guard bracket systems suffer from a number of drawbacks, including costly and time consuming installation, complexity of design, and expensive parts included as part of the design. Additionally, storage racks, especially in large warehouse environments, may be at a height or otherwise positioned in inconvenient installation environments, which increases the risk and difficulty of installing the storage rack guard.
An example apparatus includes a bracket having a rack attachment member and a guard attachment member, an upper rack engagement tab in a lower rack engagement tab, where each engagement tab is coupled to the rack attachment member, and each engagement tab includes a stem portion coupled to the rack attachment member in a head portion having a greater cross-sectional area than the stem portion. The example apparatus includes a rack attachment member defining a lock pin hole positioned in proximity to one of the upper rack engagement tab and a lower rack engagement tab, where the lock pin hole is sized and positioned such that the lock pin hole provides sufficient cross-sectional area within a rack engagement distance to allow passage of a bracket lock pin through the lock pin hole within the rack engagement distance, and where the rack engagement distance is determined from a vertically lowest point of the lower rack engagement tab or the upper rack engagement tab. The example apparatus further includes a bracket lock pin having a stabilizing leg coupled to a lock pin head, the stabilizing leg having a diameter less than a diameter of the lock pin hole, and where the stabilizing leg has a geometry such that the lock pin head is urged toward the lock pin hole in the stabilizing leg is passed through the lock pin hole.
Certain further example embodiments of the apparatus are described following. An example apparatus includes the stabilizing leg having at least one of the following geometries: the stabilizing leg forming an angle with a lock pin head axis, the angle being between 30° and 105° inclusive; the stabilizing leg axis forming an angle with a lock pin head axis, the angle being between 60° and 95° inclusive; the stabilizing leg includes a weighted portion positioned thereupon; the stabilizing leg having a first straight portion and a second portion, where the second portion is one of a second straight portion and a curved portion; the stabilizing leg providing a static moment as installed, where the static moment urges the lock pin head toward the lock pin hole; the stabilizing leg being less than 1⅝″ in length; the stabilizing leg being less than 3″ in length; and/or the stabilizing leg being less than 3.5″ in length. An example apparatus includes the rack attachment member further defining a second lock pin hole positioned in proximity to the upper rack engagement tab, where the second lock pin hole is sized and positioned such that the second lock pin hole provide sufficient cross-sectional area within a rack engagement distance to allow passage of a bracket lock pin through the second lock pin hole within the rack engagement distance, and where the rack engagement distance is determined for a vertically lowest point of the upper rack engagement tab; where the guard attachment member defines a guard attachment hole positioned at a rack guard spacing distance from the rack attachment member; where the rack guard attachment member further defines a first guard attachment hole and a second guard attachment hole, where the second guard attachment hole is positioned vertically above the first guard attachment hole; the guard attachment member further including a horizontal center axis, where each of the second guard attachment hole and first guard attachment hole are positioned an equal vertical distance from the horizontal center axis; the second guard attachment hole positioned a guard mounting distance from a top edge of the guard attachment member, and the first guard attachment hole positioned the guard mounting distance from a bottom edge of the guard attachment member; where the first guard attachment hole in the second guard attachment hole or a first pair of vertically aligned holes, and where the guard attachment member further includes at least one additional pair of vertically aligned holes. An example apparatus includes the rack engagement distance being a vertical extent of a rack column hole; the rack column hole including a teardrop storage rack hole; the guard attachment member forming a perpendicular angle with the rack attachment member; and/or where a portion of the guard attachment member defining the guard attachment hole further defines a first plane, where the rack attachment member further defines a second plane, and where the first plane is perpendicular to the second plane.
An example method includes an operation to engage a first identical bracket member to a storage rack on a first rack side and an operation to engage a second identical bracket member to the storage rack on a second rack side. The example engaging operations include positioning engagement tabs coupled to a rack attachment member of each bracket member through corresponding rack engagement features and sliding the bracket members down. The example method further includes an operation to position a first bracket lock pin through a lock pin hole in the rack attachment member of the first identical bracket member, and an operation to position a second bracket lock pin through a lock pin hole in the rack attachment member of the second identical bracket member. The positioning operations include passing a stabilizing leg of each bracket lock pin through one of the rack engagement features also having an engagement tab of the rack attachment member of the bracket member positioned therein.
Certain further example operations of a method are described following. An example method further includes an operation to position each bracket lock pin by passing the stabilizing leg of each bracket lock pin through a vertically lower one of the rack engagement features on each corresponding rack side and/or an operation to remove each bracket lock pin and the second bracket lock pin, and disengaging each of the bracket members from the storage rack. An example method further includes an operation to engage a storage rack guard to a guard attachment member. An example method further includes an operation to engage the storage rack guard with storage rack guard holes positioned on the guard attachment member of each of the identical bracket members. An example method includes engaging the storage rack guard by securing a storage rack guard member at least partially around the guard attachment member; an operation to select one from a number of horizontally displaced storage rack guard holes positioned on each guard attachment member of each of the first and second identical bracket members, where the selecting the horizontally displaced storage rack guard holes includes selecting a displacement of the storage rack guard from a rack beam of the storage rack; and/or selecting one from a number of vertically displaced storage rack guard holes positioned on each guard attachment member of each of the bracket members, where the selecting the vertically displaced storage rack guard holes includes selecting a vertical position of the storage rack guard.
An example system includes a storage rack having a number of vertical columns, each vertical column having a number of rack engagement features, each of the rack engagement features defining a hole in the vertical column; a first and second identical bracket, each bracket including a rack attachment member and a guard attachment member, an upper rack engagement tab and a lower rack engagement tab, where each engagement tab is coupled to the rack attachment member, and each engagement tab includes a stem portion coupled to the rack attachment member and a head portion having a greater cross-sectional area than the stem portion, where the rack attachment member defines a lock pin hole positioned in proximity to one of the upper rack engagement tab in the lower rack engagement tab, and the lock pin is sized and positioned such that the lock pin hole provides sufficient cross-sectional area within a rack engagement distance to allow passage of a bracket lock pin through the lock pin hole within the rack engagement distance, and where the rack engagement distance is determined from a vertically lowest point of the one of the lower rack engagement tab and the upper rack engagement tab. The example system further includes a first and second bracket lock pin, each having a stabilizing leg coupled to a lock pin head, the stabilizing leg having a diameter less than a diameter of the lock pin hole, the lock pin head having a diameter greater than a diameter of the lock pin hole, and where the stabilizing leg has a geometry such that the lock pin head is urged toward the lock pin hole when the stabilizing leg is passed through the lock pin hole.
Certain further embodiments of an example system are described following. An example system includes the vertical columns of the storage rack having an enclosed back, and/or a storage rack guard engaged to a guard attachment hole of each guard attachment member of each of the first and second identical bracket members, where the guard attachment hole of each guard attachment member is positioned at the same vertical height, and where the storage rack guard includes a wire mesh, a steel mesh, an expanded metal mesh, a nylon mesh, plastic, and/or netting.
An example kit includes a number of identical brackets, each bracket including a rack attachment member and a guard attachment member, an upper rack engagement tab and a lower rack engagement tab, where each engagement tab is coupled to the rack attachment member, and each engagement tab includes a stem portion coupled to the rack attachment member and a head portion having a greater cross-sectional area than the stem portion, where the rack attachment member defines a lock pin hole above the lower rack engagement tab, and where the lock pin hole provides sufficient cross-sectional area within a rack engagement distance to allow passage of a bracket lock pin through the lock pin hole within the rack engagement distance, and where the rack engagement distance is determined from a vertically lowest point of the one of the lower rack engagement tab and the upper rack engagement tab. The example kit further includes a number of bracket lock pins having a stabilizing leg coupled to a lock pin head, the stabilizing leg having a diameter less than a diameter of the lock pin hole, the lock pin head having a diameter greater than a diameter of the lock pin hole, and where the stabilizing leg has a geometry such that the lock pin head is urged toward the lock pin hole when the stabilizing leg is passed through the lock pin hole.
Certain further embodiments of an example kit are described following. An example kit includes each stabilizing leg having at least one of the following geometries: the stabilizing leg axis forming an angle with a lock pin head axis, the angle being between 30° and 105° inclusive; the stabilizing leg axis forming an angle with a lock pin head axis, the angle being between 60° and 95° inclusive; the stabilizing leg including a weighted portion positioned thereupon; the stabilizing leg including a first straight portion and a second portion, where the second portion is one of a second straight portion and a curved portion; the stabilizing leg providing a static moment as installed, the static moment urging the lock pin head toward the lock pin hole; the stabilizing leg being less than 1⅝″ in length; the stabilizing leg being less than 3″ in length; and/or the stabilizing leg being less than 3.5″ in length. An example kit further includes each rack attachment member further defining a second lock pin hole positioned in proximity to the upper rack engagement tab, where the second lock pin hole is sized and positioned such that the second lock pin hole provide sufficient cross-sectional area within a rack engagement distance to allow passage of a bracket lock pin through the second lock pin hole within the rack engagement distance, and where the rack engagement distance is determined from a vertically highest point of the upper rack engagement tab, each an example kit further includes each guard attachment member further defining a second guard attachment hole positioned vertically above the guard attachment hole, where each guard attachment member includes a horizontal center axis, and where each of the second guard attachment hole and guard attachment hole are positioned an equal vertical distance from the horizontal center axis. An example kit further includes each guard attachment member further defining a second guard attachment hole positioned vertically above the guard attachment hole, where the second guard attachment hole is positioned a guard mounting distance from a top edge of each guard attachment member, and where the guard attachment hole is positioned the guard mounting distance from a bottom edge of each guard attachment member.
These and other systems, methods, objects, features, and advantages of the present invention will be apparent to those skilled in the art from the following detailed description of certain embodiments and the drawings. All documents mentioned herein are hereby incorporated in their entirety by reference.
The invention and the following detailed description of certain embodiments thereof may be understood by reference to the following figures:
While the invention has been described with specificity in connection with certain embodiments, other embodiments would be understood to be contemplated herein by one of ordinary skill in the art having the benefit of the present disclosure, and are encompassed herein.
For the purposes of promoting an understanding of the principles of the invention, reference will now be made to specific embodiments illustrated in the drawings and specific language will be used to describe the same. It will nevertheless be understood that no limitation of the scope of the invention is thereby intended, and any alterations and further modifications in the illustrated embodiments, and any further applications of the principles of the invention as illustrated therein as would normally occur to one skilled in the art to which the invention relates are contemplated herein.
The disclosure is directed to a drop-in bracket that can be installed readily and without the use of tools. Certain applications for the drop-in bracket are described as a storage rack guard, although the disclosure is not limited to such embodiments. Any device may be mounted on the drop-in bracket, including at least a rack guard, a screen guard, a pallet protector, a rack back backing, a protective backing, or other devices. Additionally or alternatively, a guard, protector, or backing device may include mesh containment walls such as, but not limited to a wire mesh, a steel mesh, an expanded metal mesh, a nylon mesh, plastic, and/or netting. In certain embodiments, the storage rack guard may be positioned on the back of the rack or on the front of the rack. Example and non-limiting storage rack applications include a structural storage rack and/or a selective storage rack.
Referencing
The example rack attachment member 102 further defines a lock pin hole 110 above the lower rack engagement tab 108. The lock pin hole 110 is sized and positioned such that the lock pin hole provides sufficient cross-sectional area within a rack engagement distance to allow passage of a bracket lock pin through the lock pin hole within the rack engagement distance, where the rack engagement distance is determined from a vertically lowest point of the lower rack engagement tab 108. An example rack engagement distance 406 is depicted in
In the example embodiment of
The example bracket 100 includes the guard attachment member 104 defining a guard attachment hole 112 (e.g. any one of the example holes 112) positioned at a rack guard spacing distance (not shown) from the rack attachment member 102. The rack guard spacing distance is the horizontal distance along the guard attachment member 104 from the rack attachment member 102 at which the hole 112 is positioned, and wherein a storage rack guard, screen guard, or other feature will be attached to the bracket 100. The rack guard spacing distance depends upon the circumstances of the particular installation, and may be any value within the structural limitations of the bracket 100 (e.g. depending upon the weight of the bracket 100 and feature attached to the bracket). Example and non-limiting rack guard spacing values include 3″, 4″, 5″, 6″, 8″, 10″, 12″, values between 1″ and 12″ inclusive, and values between 1″ and 18″ inclusive. Although the described rack guard spacing values are not limited to a particular unit of measure, certain systems, manufacturers, and/or other users of a bracket 100 may determine rack guard spacing values in metric terms. Rack guard spacing values, without limitation, of at least 50 mm, 100 mm, 150 mm, 200 mm, 250 mm, 300 mm, and between 50 mm and 300 mm inclusive. One of skill in the art, having the benefit of the disclosures herein and information ordinarily available to one of skill in the art contemplating a particular application for a bracket 100, can readily select rack guard spacing distance(s) for a particular bracket 100. Certain non-limiting considerations for selecting rack guard spacing distance(s) include the desired stand-off (e.g. distance from a rack) of the feature mounted to the bracket, regulatory and/or policy requirements for the stand-off of the mounted feature (e.g. safety policies or regulations, compatibility to standards, etc.), the desired or required distance the bracket 100 should extend away from a rack, backwards compatibility of a bracket 100 with prior used brackets, the purpose and/or type of protection contemplated for the rack guard, space available for the rack guard, the size of a rack and/or the size of objects to be placed on the rack, and/or customer defined expectations for a bracket 100. A nonlimiting example includes a 42 inch rack having a 48 inch pallet there on, and a 4 inch rack guard spacing. Another nonlimiting example includes a rack guard position between a rack and a facility wall, wherein the rack guard spacing is selected prevent objects falling off of the rack from hitting the facility wall. Yet another nonlimiting example includes objects that are eccentric and/or having a high center of gravity, in a rack guard spacing selected to be close to the rack, for example to prevent objects from becoming unstable.
While the example guard attachment member 104 is depicted having a guard attachment hole 112, in certain embodiments the guard attachment member 104 may not have a guard attachment hole 112, and may attach to a rack guard through any alternative means understood in the art. For example, and without limitation, a guard attachment member 104 may have a circular or other cross-sectional area, in a rack guard may attach to the guard attachment member 104 by resting on, clipping on, and/or otherwise attaching to the guard attachment member 104 without a guard attachment hole 112 present. The example guard attachment hole 112 is depicted as a square hole, however the guard attachment hole 112 may be of any size or shape to accommodate attachment to a selected rack guard.
An example apparatus includes the bracket 100 and a bracket lock pin 300 (reference
The example stabilizing leg 302 has a geometry such that the lock pin head 304 is urged toward the lock pin hole 110 when the stabilizing leg 302 is passed through the lock pin hole 110. As described in relation to
Referencing
Referencing
Referencing
Referencing
Certain additional or alternative geometries may be selected for the stabilizing leg 302. An example stabilizing leg includes the stabilizing leg having a first straight portion and a second portion that may be straight or curved (see, e.g.
Again referencing
In certain embodiments, the guard attachment hole 112 and the second guard attachment hole 112 including a first pair of vertically aligned holes (e.g. any one of the vertically aligned pairs in
Referencing
Referencing
Each of the first 100a and second 100b identical brackets may be configured according to any of the descriptions herein, with the limitation that the first 100a and second 100b identical brackets must be reversible for the purposes of the mounting of the rack guard 1504 to the brackets 100a, 100b. For example, each bracket 100a, 100b must have a hole accessing the geometry of one of the rack engagement features 404 for at least one of the top and bottom engagement features of the respective bracket regardless of whether the bracket 100a, 100b is mounted on the left or right side of the rack. The example system 1500 further includes bracket lock pins 300 engaging the rack attachment member 102 of each bracket through the lock pin hole 110 (not visible in
Certain further embodiments of an example system 1500 are described following. An example system 1500 includes the vertical columns 402 of the storage rack having an enclosed back (e.g. as depicted in
An example kit (not pictured) includes a number of identical brackets 100. The identical brackets 100 may be configured according to any bracket 100 described herein, and the description of “identical bracket” with respect to the system 1500 is incorporated herein. The kit further includes a number of bracket lock pins 300, which may be configured according to any description of a bracket lock pin 300 described herein. One of skill in the art, having the benefit of the disclosure herein, will recognize that such a kit provides at least the benefits of a convenient set of parts for rapidly mounting and/or disengaging brackets from a rack, where the operator does not need to track which bracket is to be mounted on which side, and/or which can be readily installed or removed without the use of special tools and in a few conveniently performed operations.
The schematic operational descriptions which follow provide illustrative embodiments of performing procedures for installing and removing brackets and/or storage rack guards. Operations illustrated are understood to be exemplary only, and operations may be combined or divided, and added or removed, as well as re-ordered in whole or part, unless stated explicitly to the contrary herein.
Referencing
The example procedure 1800 further includes an operation 1810 to remove the brackets or to install a storage rack guard to the brackets. Where the operation 1810 is to install a storage rack guard, an example procedure 1800 includes an operation 1812 to select storage rack guard holes (e.g. guard attachment holes 112) to select a vertical and/or horizontal position of the storage rack guard, and an operation 1814 to engage the storage rack guard to the selected storage rack guard holes. In certain embodiments, for example where a storage rack guard attaches to a guard attachment member without the use of guard attachment holes, the operations to install a storage rack guard may differ from those presented in the example procedure 1800. Where the operation 1810 is to remove the brackets, the procedure 1800 includes an operation 1816 to remove each bracket lock pin and the second bracket lock pin, and to disengage each of the bracket members from the storage rack. In certain embodiments, during a full system installation or removal, for example, the brackets 100 may be installed directly to the rack with the storage rack guard already attached to the brackets 100, and/or the brackets 100 may be removed from the rack with the storage rack guard still attached.
Certain further non-limiting embodiments of the disclosure are described following.
An example apparatus includes a bracket having a rack attachment member, the rack attachment member adapted to interface with a rack, such as a storage rack. The example rack attachment member includes a flat surface, and has a width of about a rack vertical column width, a width of about half of a rack vertical column width, and/or having a length where two brackets can be mounted side by side on a rack vertical column. Example and non-limiting widths for the rack attachment member include less than 3″, less than 1.5″, 1⅜″, and 1″, and between 1″ and 3″, inclusive. The example rack attachment member further includes one or more rack engagement tabs, the tabs having a head that fits through a rack engagement feature on the rack vertical column (e.g. a hole in the column, and/or a teardrop hole in the column), and a stem such that, when the head is inserted through the rack engagement feature, the stem can rest on a lower portion of the rack engagement feature and a lip on the head can prevent the bracket from disengaging the rack vertical column. Example and non-limiting sizes for the head include an ellipsoid or elongated rectangle head having a vertical dimension of less than 1″, of greater than ¼″, of about ½″, of about ⅝″, of about ¾″, and between ¼″ and 1″ inclusive; and a horizontal dimension of less than 1″, of greater than ¼″, of about ⅜″, of about ½″, of about ⅝″, of about ¾″, and between ¼″ and 1″ inclusive. The size and shape of the head may be anything configured to fit through the rack vertical column engagement feature and having a lip to secure the bracket. Example and non-limiting sizes for the stem include a width (e.g. diameter, characteristic length, greatest axis dimension, or other width description) less than ¾″ inclusive, less than ⅝″ inclusive, less than ½″ inclusive, greater than ¼″ inclusive, greater than ½″ inclusive, and greater than ⅝″ inclusive. The stem width accommodates setting the engagement tab in the lower portion of the rack engagement feature, and providing for the geometry of the lower lip of the head. In certain embodiments, the width of the stem may be the same as or greater than the width of the head (e.g. where the head is partially offset from the stem, providing the lip even where the stem is of the same or greater size). The selection of the stem shape and size may be made to accommodate the particular contemplated apparatus.
An example rack attachment member further includes one or more holes to provide access to the rack engagement feature. An example hole is positioned on the rack attachment member such that, when the bracket is installed on the rack, the hole provides sufficient access into a rack engagement feature engaged with one or both of the engagement tabs, where the bracket lock pin can be positioned through the hole. Example holes include a hole above the lower one of the engagement tabs, and/or a hole above the upper one of the engagement tabs. An example rack attachment member includes more than one hole, to allow for the usage of either the upper or lower one of the engagement tabs, or both of the engagement tabs, and/or to provide for right-left reversibility of the bracket. The cross-sectional area of the hole may be entirely within the rack engagement feature, and/or may extend above the rack engagement feature, with sufficient room of the hole provided within the profile of the rack engagement feature to allow the bracket lock pin to be positioned therein. An example hole on the rack attachment member includes a circular hole having a diameter of 0.5″, and positioned with a center 1⅛″ vertically from a top or bottom edge of the rack attachment member. An example rack attachment member includes two holes, each positioned with a center 1⅛″ from a vertically closest edge of the rack attachment member for the corresponding hole. Example and non-limiting embodiments include holes having a shape other than a circular shape, and having a diameter or characteristic length between 0.25″ and 1″ inclusive, and/or including a portion of a more complex shape, where the portion includes a sufficient geometry to accommodate the insertion of the bracket lock pin. The one or more holes on the rack attachment member may be positioned between the engagement tabs (e.g. when the vertically lower one of the engagement tabs is contained with the bracket lock pin), and/or outside the engagement tabs (e.g. when the vertically higher one of the engagement tabs is contained with the bracket lock pin). The one or more holes may be positioned at any distance vertically from the top or bottom edge of the rack attachment member, and vertical positioning may be determined relative to a closest portion of the hole to the corresponding vertical edge, to a center portion of the hole, and/or to a selected portion of the hole within the geometry of the hole (e.g. a portion of the hole intended to accommodate the bracket lock pin).
The example apparatus further includes a guard attachment member structured for affixing a selected rack protection element thereto. An example guard attachment member includes a desired length and at least one mounting feature, such as one or more holes or tabs provided on and/or defined by the guard attachment member. An example mounting feature includes a shape of the guard attachment member provided such that a rack guard attaches directly to the guard attachment member, for example clipping on, resting on, or otherwise bodily attaching to the guard attachment member. An example guard attachment member includes six holes defined thereupon, and positioned away from the rack attachment member, a first pair at 7.25 inches, a second pair positioned at 9.25 inches, and a third pair positioned at 11.25 inches. Each pair of holes of the example guard attachment member includes two vertically aligned holes, each positioned in an evenly spaced manner vertically relative to the guard attachment member. Any number and arrangement of holes, and/or guard attachment members having no holes are contemplated herein.
The example apparatus further includes a lock pin 300 having a stabilizing leg coupled to a lock pin head. The example lock pin includes a coupling member between the lock pin head in the stabilizing leg, wherein the coupling member has a length extending from the lock pin head to the stabilizing leg. In certain embodiments, the coupling member is included as a portion of the stabilizing leg, and or the stabilizing leg is a continuation of the material forming the coupling member. An example lock pin is formed from a straight rod coupled to the lock pin head, where the stabilizing leg is thereby formed by bending the straight rod at a selected location. In certain embodiments the stabilizing leg has a length of 1.75 inches in a diameter of 0.3 inches. An example lock pin head has a diameter of 0.75 inches, and a thickness of 0.125 inches. In certain embodiments, the coupling member has a length of about 1 inch, less than 1 inch, about 1.05 inches less the thickness of the lock pin head, and/or a length of about 0.925 inches. In certain embodiments, the coupling member is considered as part of the stabilizing leg, and in certain embodiments the coupling member is considered as a separate portion of the lock pin. In certain embodiments the lock pin does not include a coupling member, and the stabilizing leg is directly coupled to the lock pin head.
While the invention has been disclosed in connection with the certain embodiments shown and described in detail, various modifications and improvements thereon will become readily apparent to those skilled in the art having the benefit of the disclosure herein. Accordingly, the spirit and scope of the present invention is not to be limited by the foregoing examples, but is to be understood in the broadest sense allowable by law.
All documents referenced herein are hereby incorporated by reference in the entirety for all purposes.
This application is a continuation of U.S. Ser. No. 17/327,095 entitled “STORAGE RACK GUARD DROP-IN BRACKET”, filed May 21, 2021. U.S. Ser. No. 17/327,095 is a continuation of U.S. Ser. No. 16/448,948 entitled “STORAGE RACK GUARD DROP-IN”, filed Jun. 21, 2019, now U.S. Pat. No. 11,033,105. U.S. Ser. No. 16/448,948 is a bypass continuation of International Application PCT/US2016/068524 entitled “STORAGE RACK GUARD DROP-IN BRACKET”, filed Dec. 23, 2016, published as WO 2018/118083 on Jun. 28, 2018. All of the above patent documents are incorporated herein by reference in their entirety for all purposes.
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Number | Date | Country | |
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20230137022 A1 | May 2023 | US |
Number | Date | Country | |
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Parent | 17327095 | May 2021 | US |
Child | 18146770 | US | |
Parent | 16448948 | Jun 2019 | US |
Child | 17327095 | US | |
Parent | PCT/US2016/068524 | Dec 2016 | US |
Child | 16448948 | US |