Patent Publication Number: US-9403271-B2

Title: Tool tray apparatus and systems for use with aerial buckets

Description:
PRIORITY 
     The present application is related to, and claims the priority benefit of, U.S. Provisional Patent Application Ser. No. 61/845,441 filed Jul. 12, 2013, the contents of which are hereby incorporated by reference in their entirety into the present disclosure. 
    
    
     BACKGROUND 
     Utility linemen are often required to work in elevated workstations such as utility trucks with aerial buckets. These aerial buckets are typically located at the end of an extendable hydraulically driven arm that is attached to a truck or other vehicle and are capable of lifting one or more linemen to elevated positions above the ground. 
     Once in position, the linemen is often required to perform repairs or assemblies utilizing many tools and small parts such as washers, nuts, and bolts. While performing the repairs and assemblies, the linemen normally required to wear leather gloves and may sometimes be required to wear thick electrically insulated gloves. These thick gloves make it significantly more difficult to grasp and manipulate small objects. 
     An aerial bucket typically consists of an open box configuration with a lip surface that extends around the upper open portion of the box. When removing and installing parts for their work, linemen are frequently handling small tools and hardware and for convenience lineman may occasionally place these items onto the lip of the bucket. Tools and hardware stored on the lip of the bucket have a high probability of falling off the lip resulting in lost hardware and productivity. The use of gloves when manipulating tools and hardware stored on the lip of the bucket further increases the probability that an item will fall off the bucket lip. 
     To solve this problem, there are several related inventions known in the art. For example, hardware storage devices such as bag type apparatuses are configured with one or more grommets capable of receiving hooks that are attached to the lip of the aerial bucket. These bag devices contain a plurality of pockets for storing and organizing tools and hardware. However, when using gloves linemen can have great difficulty retrieving and manipulating specific items in the pockets of these bag storage devices. 
     Therefore, a need exists for a new storage and hardware staging tray that is capable of attaching to the lip of aerial buckets and other raised workstations, and is able to facilitate the manipulation and organization of small pieces of hardware by gloved hands. 
     BRIEF SUMMARY 
     The present disclosure relates to novel tool tray apparatus embodiments for use with an elevated workstation such as an aerial bucket commonly found on utility trucks. In at least one embodiment, the present disclosure relates to a tool tray apparatus having an interior sidewall surface, one or more means for attaching the apparatus to an elevated workstation, and optionally, one or more means for facilitating the storage and manipulation of small tools and hardware by gloved hands. 
     In various embodiments, the present disclosure provides a novel tool tray apparatus having the capability of attaching to various elevated work stations including aerial buckets. The present disclosure comprises an interior tray surface bordered by four sidewalls and one or more means for attaching the device to an elevated workstation, which may comprise one or more saddles which are capable of engaging with a means for securing the device to the lip of an aerial bucket or other raised workstation. In some embodiments, the device further comprises one or more ramps capable of providing a sloped transitional surface from the base of the interior surface to the top of one or more sidewalls. In other embodiments, the device also comprises a means for storing and organizing hardware such as nuts and washers through a removable, vertically oriented dowel and stanchion. In these embodiments, the inclusion of a tray ramp, dowel, and stanchion help facilitate the manipulation and storage of hardware and tools by gloved hands. 
     In at least one exemplary embodiment of a tray of the present disclosure, the tray comprises an interior tray section configured to receive one or more items, the interior tray at least partially surrounded by at least one sidewall having a height, at least one attachment saddle coupled to the interior tray section, the at least one attachment saddle configured to receive a portion of an aerial bucket hook, and a first ramp portion in communication with the interior tray section, the first ramp portion defining a sloping surface that extends from the interior tray section to a top of the at least one sidewall. In another embodiment, one or more drain holes are defined within the interior tray section. In yet another embodiment, the tray further comprises a stanchion formed in or coupled to interior tray section, the stanchion configured to engage a removable dowel. In an additional embodiment, the tray further comprises the removable dowel, the removable dowel configured to reversibly engage the stanchion. 
     In at least one exemplary embodiment of a tray of the present disclosure, the tray defines at least one mounting slot therein, the at least one mounting slot configured to receive part of a self-locking cable tie. In an additional embodiment, the tray is configured for placement upon a lip of an aerial bucket, and wherein the tray is further configured to be retained upon the aerial bucket using the aerial bucket hook. In yet an additional embodiment, the tray further comprises a second ramp portion in communication with the interior tray section, the second ramp portion defining a second sloping surface that extends from the interior tray section to the top of the at least one sidewall. In another embodiment, the second ramp is located opposite the first ramp. In yet another embodiment, the second ramp is located adjacent to the first ramp. 
     In at least one exemplary embodiment of a tray of the present disclosure, the tray is formed of a non-conductive material. In another embodiment, the tray (or the one or more sidewalls of the tray) has an outer shape selected from the group consisting of a rectangular shape, a square shape, and a round shape. 
     In at least one exemplary embodiment of a system of the present disclosure, the system comprises a first tray, comprising an interior tray section configured to receive one or more items, the interior tray at least partially surrounded by at least one sidewall having a height, and a first ramp portion in communication with the interior tray section, the first ramp portion defining a sloping surface that extends from the interior tray section to a top of the at least one sidewall; and a tool board, wherein the first tray is coupled to or configured as part of the tool board. In another embodiment, the system is configured so that when the system is positioned upon a lip of an aerial bucket, the first tray is located above the lip and the tool board is positioned within the aerial bucket. In yet embodiment, the system further comprises a second tray coupled to or configured as part of the tool board, the second tray comprising a second interior tray section and a second ramp in communication with the second interior tray section. In an additional embodiment, the system further comprises one or more components coupled to a front portion of the tool board. In yet an additional embodiment, the system further comprises a stanchion formed in or coupled to interior tray section, the stanchion configured to engage a removable dowel, and the removable dowel, configured to reversibly engage the stanchion. 
     In at least one exemplary embodiment of a system of the present disclosure, the system comprises a first tray, comprising an interior tray section configured to receive one or more items, the interior tray at least partially surrounded by at least one sidewall having a height, and a first ramp portion in communication with the interior tray section, the first ramp portion defining a sloping surface that extends from the interior tray section to a top of the at least one sidewall; and at least one additional component connected thereto. In an additional embodiment, the first tray further comprises at least one attachment saddle coupled to the interior tray section, the at least one attachment saddle configured to receive a portion of an aerial bucket hook, and wherein the at least one additional component comprises a stanchion coupled to the tray. In another embodiment, the system further comprises a dowel configured for reversible engagement with the stanchion. In yet another embodiment, the at least one additional component comprises a tool board coupled to the tray. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The disclosed embodiments and other features, advantages, and disclosures contained herein, and the matter of attaining them, will become apparent and the present disclosure will be better understood by reference to the following description of various exemplary embodiments of the present disclosure taken in conjunction with the accompanying drawings, wherein: 
         FIGS. 1A and 1B  show a substantially top down view of an exemplary embodiment of a tray, according to exemplary embodiments of the present disclosure; 
         FIG. 2  shows a substantially bottom up view of an exemplary embodiment of a tray, according to an exemplary embodiment of the present disclosure; 
         FIG. 3  shows a side view of a removably attachable dowel, according to an exemplary embodiment of the present disclosure; 
         FIG. 4  depicts a substantially top down view showing an example of a tray with dowel attached to the lip of an aerial bucket, according to an exemplary embodiment of the present disclosure; 
         FIG. 5A  shows an example of a tray wherein the tray comprises two attachment saddles on each end with each attachment saddle containing at least one stress relief section, according to an exemplary embodiment of the present disclosure; 
         FIG. 5B  shows a tray having two attachment saddles but no stress relief sections, according to an exemplary embodiment of the present disclosure; 
         FIG. 6  shows a perspective view of a system comprising a tool board and two trays, according to an exemplary embodiment of the present disclosure; 
         FIG. 7A  shows a perspective view of an upper portion of a system, according to an exemplary embodiment of the present disclosure; 
         FIG. 7B  shows a perspective view of a system comprising a tool board and one tray, according to an exemplary embodiment of the present disclosure; 
         FIG. 7C  shows a front view of a system comprising a tool board with one or more features/components thereon and two trays, according to an exemplary embodiment of the present disclosure; 
         FIG. 8  shows an underside perspective view of a tray, according to an exemplary embodiment of the present disclosure; and 
         FIGS. 9A and 9B  show top down views of a square tray and a round tray, respectively, according to exemplary embodiments of the present disclosure. 
     
    
    
     An overview of the features, functions and/or configurations of the components depicted in the various figures will now be presented. It should be appreciated that not all of the features of the components of the figures are necessarily described. Some of these non-discussed features, such as various couplers, etc., as well as discussed features are inherent from the figures themselves. Other non-discussed features may be inherent in component geometry and/or configuration. 
     DETAILED DESCRIPTION 
     For the purposes of promoting an understanding of the principles of the present disclosure, reference will now be made to the 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 this disclosure is thereby intended. 
     The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items. As used herein, the singular forms “a,” “an,” and “the” are intended to include the plural forms as well as the singular forms, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” and/or “comprising,” when used in this specification, specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. 
     Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one having ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. 
     In describing embodiments of the present disclosure, it will be understood that a number of techniques and steps are disclosed. Each of these has individual benefit and each can also be used in conjunction with one or more, or in some cases all, of the other disclosed techniques. Accordingly, for the sake of clarity, this description will refrain from repeating every possible combination of the individual steps in an unnecessary fashion. Nevertheless, the specification and claims should be read with the understanding that such combinations are entirely within the scope of the invention and the claims. 
     New devices and apparatuses such as trays for use with elevated work stations and gloved hands are discussed. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. It will be evident, however, to one skilled in the art that trays and systems of the present disclosure may be practiced without these specific details. 
     The present disclosure is to be considered as an exemplification of the invention, and is not intended to limit the invention to the specific embodiments illustrated by the figures or description below. 
     Various embodiments of the present disclosure will now be described by referencing the appended figures representing preferred embodiments.  FIGS. 1A and 1B  illustrates substantially top down views of exemplary embodiment of the present disclosure. In the examples shown in  FIGS. 1A and 1B , tray  100  comprises an interior tray section  10  (also referred to as an interior tray base section  10 ) and one or more attachment saddles  12 . The interior tray base section  10 , as shown in  FIGS. 1A and 1B , is formed and bound by four raised sidewalls  13 , noting that in other embodiments the number of sidewalls  13  may differ, as provided in further detail herein. In some embodiments, the sidewalls  13  are 0.75 inches in height. In other embodiments, the sidewalls  13  may be between 0.5 inches and 3 inches in height, but other sizes and heights are contemplated herein. Furthermore, various relative “shapes” of trays  100  of the present disclosure, defined by an outer perimeter shape of one or more sidewalls  13 , are contemplated herein, such as a rectangular shape (as shown in  FIGS. 1A and 1B ), a square shape (such as shown in  FIG. 9A ), a round shape (such as shown in  FIG. 9B ), and other potential shapes. 
     In the example shown by  FIGS. 1A and 1B , the two attachment saddles  12  provide a means for accepting attachment devices configured to attach the tray  100  to an elevated workstation. In some preferred embodiments, the attachment saddles  12  are able to accept aerial bucket hooks  202  (as referenced in further detail herein) which fit over the attachment saddles  12  and around the lip of an aerial bucket. These aerial bucket hooks are common in the art and are used to hang tool bags, tool aprons, and the like to the lip of aerial buckets. In some embodiments, the tray  100  comprises one attachment saddle  12 . In other embodiments, the tray  100  comprises two, three, or more attachment saddles  12 . Attachment saddles  12 , as shown in  FIGS. 1A and 1B , may extend beyond interior tray section  10  in various directions. In addition, and as shown in  FIG. 1B , the overall depth of attachment saddle  12  can vary, with a deeper attachment saddle  12  shown on the left side of tray  100  as compared to the attachment saddle  12  shown on the right side. As shown in  FIG. 1B , an exemplary attachment saddle  12  of the present disclosure comprises an extension portion  50  (which can be considered as extending from tray  100 , or extending out from a sidewall  13 , for example), and a ridge portion  52 , which is generally perpendicular, or at an angle of between 30° and 150°, for example, from extension portion  50 . An exemplary aerial bucket hook  202 , as referenced in further detail herein, can fit within attachment saddle  12  at extension portion  50 , and is prevented from moving sideways due to the positioning of sidewall  13  adjacent to aerial bucket hook  202  and ridge portion  52 . Depths of attachment saddles  12 , as referenced herein, relates to a relative height of ridge portion  52  relative to extension portion  50 , for example. Attachment saddles  12  can have various widths, lengths, and depths, depending on the desired embodiment. In addition, the configuration of an exemplary attachment saddle  12  is such that when an exemplary tray  100  is in use (and one or more aerial bucket hooks  202  are used with tray  100 ), tray  100  is retained by aerial bucket hook(s)  202  and cannot slide away from aerial bucket hook(s)  202  without moving aerial bucket hook(s)  202  in a way to disengage tray  100 . 
     In some embodiments, the tray  100  comprises one or more ramps  11  (also referred to herein as a ramp portion  11 ). The ramp  11  forms a sloping surface that extends from the base of the tray interior base section  10  up to the top of a sidewall  13 . This ramp  11  allows the user to slide hardware located on the interior tray section  10 , up to the top edge of the sidewall  13 , thereby facilitating the retrieval and manipulation of tools and hardware with gloved hands, for example. In various embodiments, and as shown in  FIG. 1A , tray  100  comprises one ramp  11 . In other embodiments, tray  100  may comprise two ramps  11  (as shown in  FIG. 1B ) providing a sloped surface to the tops of two separate sidewalls  13 . In other embodiments, the tray  100  comprises three ramps  11  providing a sloped surface to the tops of three separate sidewalls  13 . In still further embodiments, each of four sidewalls  13  of an exemplary tray  100  embodiment have a ramp  11  providing a sloped surface from the interior tray base section  10  to the top of each sidewall  13 . 
     In some embodiments, and still referring to  FIGS. 1A and 1B , the tray  100  may define one or more drain holes  14  which allow water or other liquids to exit the interior tray section  10 . For example, and if the tray is positioned so that the view in  FIGS. 1A and 1B  faces upward as shown, rainwater entering tray  100  can drain through one or more drain holes  14  and out of tray  100 . In various tray  100  embodiments of the present disclosure, tray  100  contains one or more mounting slots  15 , also as shown in  FIG. 1A . The mounting slots  15  are configured to accept attachment devices, such as self-locking cable ties, for securing the tray  100  to aerial bucket lips, scaffolding, and other types of elevated workstations, for example. 
     In some preferred embodiments, the tray  100  may comprise a stanchion  17  and an optionally a removable dowel  16  oriented in a vertical position above the tray  100 , as shown in  FIG. 1A . Dowel  16  provides a means for stacking and staging hardware, such as nuts, washers, and the like. Stanchion  17  keeps the hardware on dowel  16  from resting on interior tray section  10 , thereby providing a large space for gloved fingers to grasp the lowermost hardware stacked on dowel  16 . Dowel  16  may be removed from the stanchion  17  by any number of means, such as by a twisting and lifting motion, for example, and attached to the stanchion  17  by a reverse twisting and insertion motion. An exemplary system  150  of the present disclosure, as shown in  FIG. 1A , comprises a tray  100  and at least one additional component, such as, for example, a dowel  16  and/or a stanchion  17 . Other system  150  embodiments are referenced in further detail herein. Tray embodiments do not require a dowel  16  or a stanchion  17 , as shown in  FIG. 1B . 
       FIG. 2  illustrates a substantially bottom up view of an example of a tray  100  according to various embodiments of the present disclosure. In this example, tray  100  is shown with two drain holes  14  and two mounting slots  15 . Also shown is an aperture  18   a  configured to receive the base of the removable dowel  16 . In some embodiments, the aperture  18   a  may be surrounded by female grooved notches  18  which are configured to accept the base of the dowel  16  as depicted in  FIG. 3 .  FIG. 2  also shows an exemplary lip  30 , extending outward from underside of tray  100 , so to limit potential movement of tray  100  relative to an aerial bucket or componentry used in connection therewith. For example, and with tray embodiments having lip  30 , lip  30  may either rest against a portion of an aerial bucket or componentry used in connection therewith, or otherwise prevent movement of tray  100  past said portion or componentry, for example. 
       FIG. 3  illustrates a side view of a removable dowel  16  according to various embodiments of the present disclosure. Dowel  16  may have a substantially blunt pointed end  19  capable of accepting hardware such as nuts and washers. Dowel stop guides  20 , in various embodiments, prevent dowel  16  from being over inserted into stanchion  17 . In the example shown in  FIG. 3 , dowel  16  terminates into three notched sections  21 , which when inserted and twisted into aperture  18   a  depicted in  FIG. 2 , compress and lock into grooved notches  18 . Twisting dowel  16  in the reverse direction and pulling disengages and decompresses notched sections  21  from grooved notches  18  depicted in  FIG. 2  allowing removal of dowel  16  from aperture  18   a  and tray  100 . Dowel  16  may be of a diameter capable of accepting a wide size range of hardware common in the art. In some embodiments, dowel  16  may be about 0.5 inches in diameter. In other embodiments, dowel  16  diameter may be between 0.25 inches and 3 inches. In some embodiments, dowel  16  is about 3.5 inches in length. In other embodiments, dowel  16  is between 3 inches and 8 inches. In further embodiments the dowel  16  is between 2 inches and 12 inches or any suitable length or diameter. 
     Although a specific example is provided for a dowel  16  by  FIG. 3 , other shapes and sizes of dowels or vertical rods are contemplated herein which may be permanently or removably attached to a tray  100  in accordance with various embodiments of the present disclosure. 
       FIG. 4  depicts a substantially top down view showing an example of a tray  100  attached to a lip  201  of an aerial bucket  200  (sometimes called an “aerial work station”). In this example, tray  100  is secured to aerial bucket lip  201  by two aerial bucket hooks  202 . Aerial bucket hooks  202  fit into the attachment saddles  12  depicted in  FIGS. 1A and 1B  providing a removable attachment means. In some embodiments, trays  100  of the present disclosure are configured for use with aerial bucket lips  201  that are about 3 inches in width (as indicated by width  205  in  FIG. 4 ), resulting in a tray  100  with a width of about 3 inches. In other embodiments, trays  100  of the present disclosure are configured for use with aerial bucket lips  201  that are about 2 inches in width  205 , resulting in a tray  100  with a width of about 2 inches. In further embodiments, trays  100  of the present disclosure are configured for use with aerial bucket lips  201  that are a width  205  common in the art, resulting in a corresponding width of the tray  100  that may be the same width as the width of the aerial bucket lip  201 , or even a smaller or larger width than the aerial bucket lip  201 . For example, and in at least one embodiment, an exemplary tray  100  of the present disclosure has a width of or about 3″, noting that an exemplary aerial bucket lip  201  is at or about 2.5″. An exemplary bucket hook  202 , as referenced herein, is larger than a corresponding width of an aerial bucket lip  201  due to the radius needed to extend around the aerial bucket lip  201 , which in various embodiments is thick and straight and generally has no radius at the outer lip and an approximate 0.5″ radius at the inner lip. As such, an exemplary aerial bucket lip  201  has a width of 2.5″, including the inner radius, and a corresponding tray  100  with a 3″ width would fit thereon and be held in place using one or more bucket hooks  202 . In some embodiments, the length of tray  100  may be about 6 inches. In other embodiments, tray  100  may be between 4 inches and 10 inches in length. In further embodiments, tray  100  may be longer than 10 inches. In some embodiments, tray  100  may comprise more than two attachment saddles  12 , two or more dowels  16 , two or more interior tray sections  10 , and/or two or more stanchions  17 . 
       FIG. 5A  shows an example of a tray  100 , whereby tray  100  comprises two attachment saddles  12  on each end, with each attachment saddle  12  comprising at least one stress relief section  12   a . The one or more stress relief sections  12   a  or cutout sections are designed to reduce the stress placed onto the attachment saddle  12  and tray  100  by attachment devices such as aerial bucket hooks  202  which may be weighed down by bags containing heavy tools and equipment.  FIG. 5B  shows a tray  100  embodiment of the present disclosure without stress relief sections  12   a.    
       FIG. 6  shows an exemplary system  150  embodiment of the present disclosure, comprising at least one tray  100  (two trays  100  shown in the exemplary embodiment) and a tool board  600 , whereby tray(s)  100  are coupled to, or formed as part of, tool board  600 . Tool boards  600  are configured to couple to (or rest upon) part of aerial bucket  200 , such as at bucket lip  201 , so that an underside of an upper portion  602  of tool board  600  rests upon bucket lip  201 . Tray(s)  100 , as shown in  FIG. 6 , are configured for placement at upper portion  602  of tool board  600 , so that the innermost portion of tray  100  faces upward and can receive items such as nuts, bolts, and washers, for example. Tool boards  600 , in various embodiments, comprise or have an outer lip  604  formed thereon or therein, so that when tool board  600  is placed upon bucket lip  201 , tool board  600  will not fall off of aerial bucket  200  due to outer lip  604  on one side and front panel  606  of tool board  600  on the other side (whereby front panel  606  extends downward from upper portion  602  as shown in  FIG. 6 ), and inside an aerial bucket  200  when in use. 
       FIG. 7A  shows a perspective view of an upper portion of an exemplary system  150  of the present disclosure, comprising one tray  100  and a tool board  600 , whereby tray  100  and tool board  600  are coupled to one another or formed as a unitary piece (such as a one-piece manufactured piece). In such a system  150  embodiment, for example, tray  100  (referred to as tray portion  100  of system  150 ) would not require attachment saddles  12 , as tray  100  would be coupled to, or formed as part of, tool board  600 , and tool board  600  would be configured to rest on aerial bucket  200  when in use. Tray  100  (or tray portion  100 ) could have attachment saddles  12  in such an embodiment, but they would not be necessary as bucket hooks  202  would not be used. 
       FIG. 7B  shows a side perspective view of an exemplary system  150  of the present disclosure, comprising a tray  100  and a tool board  600 .  FIG. 7C  shows an exemplary system  150  of the present disclosure, with a tool board  600 , two trays  100  (noting that one or more trays  100  could be used), and one or more other features, such as, for example, one or more loops  700  configured to retain one or more tools, for example, one or more pockets  702 , and/or one or more pouches  704  coupled thereto and/or otherwise defined thereon. For example, and in at least one system  150  embodiment, a user of system  150  could place nuts and bolts within tray  100 , for example, and store tools within one or more of a loop  700 , pocket  702 , and/or pocket  704  of tool board  600 . 
       FIG. 8  shows a perspective view of an underside of an exemplary tray  100  of the present disclosure. As shown therein, tray  100  comprises two lips  30 , extending outward from underside of tray  100 , so to limit potential movement of tray  100  relative to an aerial bucket or componentry used in connection therewith. 
     In various embodiments, tray  100 , dowel  16 , stanchion  17 , and/or other components discussed herein may be constructed of one or more types of molded plastic or other non-electrically conductive materials common in the art. In other alternative embodiments, tray  100  and/or other components may be made of wood, plastic, fiberglass, carbon fiber, aluminum, metal alloys, or a combination of materials common in the art. 
     While various embodiments of tool trays and systems and methods to use the same have been described in considerable detail herein, the embodiments are merely offered as non-limiting examples. It will therefore be understood that various changes and modifications may be made, and equivalents may be substituted for elements thereof, without departing from the scope of the present disclosure. The present disclosure is not intended to be exhaustive or limiting with respect to the content thereof. 
     Further, in describing representative embodiments, the present disclosure may have presented a method and/or a process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth therein, the method or process should not be limited to the particular sequence of steps described, as other sequences of steps may be possible. Therefore, the particular order of the steps disclosed herein should not be construed as limitations of the present disclosure. In addition, disclosure directed to a method and/or process should not be limited to the performance of their steps in the order written. Such sequences may be varied and still remain within the scope of the present disclosure.