Tool holder

Abstract

A tool holder for storing and organizing tools, such as hexagonal ("hexagonal") wrenches. The tool holder has a first module and a second module, each module having at least one tool cavity configured to receive and hold a tool in place until a user applies pressure to remove the tool. A position control mechanism is located at an interface between the modules, the position control mechanism comprising a protrusion on one side of one module, the protrusion being disposed in a mating cavity on one side of the other module, where the mating cavity is shaped such that the protrusion is movable within the mating cavity allowing rotation of the module independently of the other module.

Description

Technical Field

[0001] This disclosure relates to a holder for storing and organizing tools such as hexagonal (“hexagonal”) wrenches. Background Technology

[0002] A hex key, often also called an Allen key / wrench or hex wrench, is a general-purpose wrench socket type hand tool used for tightening and loosening hex bolts and other compatible fasteners. In some cases, a hex key may have a Torx screwdriver attached, equipped with a star screwdriver. Generally, a hex key is made from a single piece of hexagonal metal with a single 90° bend at approximately 1 / 3 of the metal's length, forming a short arm and a long arm. Summary of the Invention

[0003] Additional features and advantages of this disclosure will be set forth in the following description and will be understood in part from the description, or may be learned by practicing the principles disclosed herein. The features and advantages of this disclosure can be realized and obtained by the instruments and combinations particularly pointed out in the appended claims. These and other features of this disclosure will become more apparent from the following description and the appended claims, or may be learned by practicing the principles set forth below.

[0004] Systems, methods, and non-transitory computer-readable storage media providing solutions to the described technical problems are disclosed. A tool holder for performing the concepts disclosed herein may include: a first module defining at least one tool cavity configured to receive and hold a first tool positioned along a first direction until a user applies pressure to remove the first tool; a second module also defining at least one tool cavity configured to receive and hold a second tool positioned along the first direction until a user applies pressure to remove the second tool; and a position control mechanism disposed at an interface between the first and second modules, the position control mechanism including: a protrusion located on one side of the first module, the protrusion being disposed in a mating cavity defined on the side of the second module adjacent to the first module, wherein the mating cavity is shaped such that the protrusion is movable within the mating cavity, thereby allowing the first module to rotate independently of the second module, such that a tool disposed within the at least one tool cavity of the first module can be positioned along a second direction different from the first direction.

[0005] A tool holder configured to perform the concepts disclosed herein may include: a first module defining at least one tool cavity configured to receive and hold a first tool positioned along a first direction until a user applies pressure to remove the first tool; a second module also defining at least one tool cavity configured to receive and hold a second tool positioned along the first direction until a user applies pressure to remove the second tool; and a position control mechanism disposed at an interface between the first and second modules, the position control mechanism including: a rounded protrusion located on one side of the first module, the rounded protrusion being disposed in a mating cavity defined on the side of the second module adjacent to the first module, wherein the mating cavity is a quasi-elliptical cavity shaped such that the rounded protrusion can move within the mating cavity, thereby allowing the first module to rotate independently of the second module, such that a tool disposed in at least one tool cavity of the first module can be positioned along a second direction different from the first direction.

[0006] A tool holder configured to perform the concepts disclosed herein may include: a first module defining at least one tool cavity configured to receive and hold a first tool positioned along a first direction until a user applies pressure to remove the first tool; a second module also defining at least one tool cavity configured to receive and hold a second tool positioned along the first direction until a user applies pressure to remove the second tool; and a third module also defining at least one tool cavity configured to receive and hold a third tool positioned along the first direction until a user applies pressure to remove the third tool. The first, second, and third modules are connected by a position control mechanism disposed at an interface between each module and an adjacent module. The position control mechanism includes a protrusion located on one side of each module, disposed in a mating cavity defined on the side of an adjacent module adjacent to that module. The mating cavity is shaped such that the protrusion is movable within the mating cavity, thereby allowing each module to rotate independently of the adjacent module, such that a tool disposed in at least one tool cavity of each module can be positioned along a second direction different from the first direction. Attached Figure Description

[0007] Figure 1 An example of a tool holder is shown in the first side view;

[0008] Figure 2 An example of a tool holder is shown in the bottom view;

[0009] Figure 3 An example of a tool holder is shown in the second side view;

[0010] Figure 4 A first example of a tool holder broken down into different holding modules is shown;

[0011] Figure 5 A second example of a tool holder decomposed into different holding modules is shown;

[0012] Figure 6 An example of an elliptical cavity and a hole for connecting bolts is shown;

[0013] Figure 7 A first example of a tool holder adjusted to allow rotation of the individual modules is shown;

[0014] Figure 8 A second example of a tool holder adjusted to allow rotation of the individual modules is shown; and

[0015] Figure 9 An example of a tool holder that allows removal of a tool by rotating a single module is shown. Detailed Implementation

[0016] Various embodiments of this disclosure are described in detail below. Although specific implementations are described, they are merely for illustrative purposes. Other components and constructions may be used without departing from the spirit and scope of this disclosure.

[0017] Holders for tools such as hex keys come in various shapes. For example, in some embodiments, the holder can open like a book, allowing the user to select the available hex keys. Another holder can operate similarly to a Swiss Army knife, where each hex key rotates independently from a common axis (i.e., a pivot point). However, these holders each have their own problems. For example, with a book-shaped holder, the individual hex keys are typically held in place by plastic clips, but over time, the clips may fail to hold the keys securely, causing them to fall out when the user opens the book. Similarly, with a Swiss Army knife-shaped holder, the hex keys may rotate unintentionally, hindering the user's ability to use the desired hex keys.

[0018] The tool holders disclosed herein overcome these problems by providing multiple interconnected modules, each holding one or more tools. These modules are connected together using: (1) bolts passing through all modules and terminating in nuts; and (2) protruding circles on the modules that engage with elliptical cavities on adjacent modules, wherein the elliptical cavities have recesses that help hold the protruding circles in place. When a protruding circle on one module engages with an elliptical cavity on an adjacent module, the protruding circle and the elliptical cavity together form a position control mechanism. This position control mechanism is located at the interface between adjacent modules (i.e., the portion where the modules physically contact each other). While circular protrusions and elliptical cavities are preferred, those skilled in the art will recognize that the position control mechanism may also include protrusions of any shape disposed within mating cavities of corresponding shapes. For example, in embodiments not shown, the protrusions may be cubic and disposed within arcuate cavities. When a user wants to use a particular tool, the user can rotate the module holding the tool relative to one or more adjacent modules. This rotation of the module causes it to rotate around the bolt, while simultaneously moving the protruding circle within the elliptical cavity from a first position to a second position. In this way, the module holding the desired tool is moved so that tool removal is no longer obstructed by adjacent / nearby tools, and the module is held in the open position by the protruding circle engaging with the recess of the elliptical cavity. At this point, the user can apply pressure and remove the desired tool from the module by pulling it from the tool hole, which is configured to hold the tool in place before the user applies pressure. Tools are press-fitted into their respective modules. Once the user is finished using the tool, it can be inserted back into the tool hole on the module, and the module can then be rotated back to its original position.

[0019] The modules are arranged in order of size, with larger modules configured to hold larger tools and smaller modules configured to hold smaller tools. In some configurations, a module may hold only a single tool, while in others, a module may hold two or more tools. Preferably, the largest module is configured to hold a single tool (the largest tool held by the retainer), while the other modules are each configured to hold two tools.

[0020] The number of modules within the retainer can vary as needed. For example, in some configurations, the number of modules is two or three. However, preferably, the number of modules is sufficient to provide the user with a complete set of tools, a hex key, etc. In a preferred configuration, the number of modules is seven, with the largest module holding a single tool, resulting in a total of 13 tools in the retainer (six modules each with two tools, and the seventh / largest module containing a single tool).

[0021] The module and the tool hole on the module are configured such that, when aligned, the tool is located directly below the larger tool. This alignment configuration is also called a "holding" configuration because the tool is held in place by the pressure of the retainer and cannot be pulled out due to the presence of a larger tool (except for the largest tool) above it. To release the tool, the user rotates the module holding the desired tool ("desired module") relative to the module directly above the desired module, thereby allowing sufficient space for removal of the tool housed within the desired module.

[0022] The shape of the elliptical cavity controls the angle at which the module can rotate. The longer the lobe of the elliptical cavity, the farther the protrusion can travel within it. This allows the angle to be in the range of 0 to 90 degrees. The precise angle at which the desired module can rotate may depend on factors such as: the dimensions of the protrusion and the elliptical cavity that engages with it, the dimensions of the recess in the elliptical cavity, the distance between the protrusion and the bolts that connect the modules, the number of modules, etc. In a preferred configuration, once a module is rotated, the angle between the modules is approximately 45°. The actual function of the recess is to hold the round protrusion within the desired lobe of the elliptical cavity. Without the recess, the protrusion would move freely from one side of the elliptical cavity to the other. Therefore, the end of the recess needs to extend deep enough within the elliptical cavity to hold the protrusion on the desired side of the recess, but not so deep that the protrusion cannot press against the opposite side of the elliptical cavity.

[0023] The elliptical cavity of the smaller module engages with the rounded protrusion of the adjacent larger module. That is, preferably, all modules except the largest module have elliptical cavities, and all modules except the smallest module have rounded protrusions. In other configurations, the larger modules may contain elliptical cavities, and the smaller modules may have rounded protrusions. When the retainer is in a holding configuration (i.e., the modules are aligned so that the tools are held in place), the rounded protrusions of the modules engage with the elliptical cavities, thereby holding the rounded protrusions on a first side of a recess within the elliptical cavity. When the user rotates the module to a “release” configuration (i.e., moves the module so that the user can loosen one of the tools), this rotation causes the rounded protrusions to move to a second side of the recess.

[0024] The recess can be positioned along one side of the elliptical cavity. More specifically, the elliptical cavity has a vertex along the major axis of the elliptical cavity, a single common vertex along the minor axis of the elliptical cavity, and a recess extending along the minor axis into the elliptical cavity and replacing the additional common vertex. For proper rotation of the module, the recess should be positioned as close as possible to the bolt hole so that when the user rotates the module around the bolt hole, the protrusion can be "rotated" past the recess, thereby locking the module in the new position.

[0025] Regarding the shape of the entire retainer (formed by interconnected modules), preferably, when in the retaining configuration, the modules have a common lower edge. To accommodate tools of different sizes, the retainer may have angled edges through which tools are pushed (for insertion) or pulled (for release). The retainer may also have sufficient space for bolts to pass through bolt holes through all the individual modules. Finally, the largest module may have a ring or handle. In some configurations, the ring may be large enough to attach a strap, hook, or other attachment mechanism to the retainer.

[0026] Figure 1 An example of a tool retainer is shown in a first side view. In this example, the retainer is shown as a combination of modules 102, 104, 106, 108, 110, 112, and 114. Modules 102, 104, 106, 108, 110, 112, and 114 have a common lower edge 118, while the upper edge 120 is angled to receive tools 122, 124, 126, 128, 130, 132, and 134. The largest module 102 has a ring 116 or handle formed as part of the module. Because modules 102, 104, 106, 108, 110, 112, and 114 are aligned (i.e., none are rotated in this example), the retainer is in a retaining configuration.

[0027] Figure 2 An example of a tool holder is shown in a bottom view. This example illustrates that in some configurations, modules 102, 104, 106, 108, 110, 112, and 114 can hold one or more tools. For example, in this example, the largest module 102 has a single tool 122 held in place by a single toolhole 202. The second largest module 104 has two tools 124 held in place by two toolholes 204 and 206. Other modules follow this pattern—module 106 has two tools 126 held in place by two toolholes 208 and 210; module 108 has two tools 128 held in place by two toolholes 212 and 214; module 110 has two tools 130 held in place by two toolholes 216 and 218; module 112 has two tools 132 held in place by two toolholes 220 and 222; and module 114 has two tools 134 held in place by two toolholes 224 and 226. In some configurations where two tools are assigned to a common module, the two tools may be the same size. However, preferably, the two tools assigned to the common module have different sizes (e.g., for a common module, one tool is a 10mm tool and the other is a 9mm tool).

[0028] Figure 3An example of the tool holder is shown in the second side view. As can be seen in this view, bolt 304 extends through bolt hole 302. To accommodate bolt 304 and bolt hole 302, modules 102, 104, 106, 108, 110, 112, and 114 can extend at an angle 306 away from tools 122, 124, 126, 128, 130, 132, and 134.

[0029] Figure 4 A first example of a tool retainer, decomposed into different retaining modules 102, 104, 106, 108, 110, 112, and 114, is shown. As illustrated, each module 102, 104, 106, 108, 110, 112, and 114 includes a bolt hole 302 through which a bolt 304 can extend. When the bolt 304 is inserted and passes through the bolt hole 302, modules 102, 104, 106, 108, 110, 112, and 114 become coupled, wherein a nut 402 (or other fastener) secures the bolt 304 in place. In this example, because the perspective view shows the "small" side (i.e., the side of the module facing the smallest module 114) of modules 102, 104, 106, 108, 110, 112, and 114, all modules 102, 104, 106, 108, 110, and 112 except for the smallest module 114 also have round protrusions 404, 406, 408, 410, 412, and 414. The round protrusions 404, 406, 408, 410, 412, and 414 are located near the bolt holes 302 on each module 102, 104, 106, 108, 110, 112, and 114, and help to hold modules 102, 104, 106, 108, 110, 112, and 114 in place when they are rotated.

[0030] Figure 5 A second example of a tool holder is shown, which is decomposed into different holding modules 102, 104, 106, 108, 110, 112, and 114. Figure 5 The perspective view allows the opposite sides (i.e., the "large" side facing the largest module 102) of modules 102, 104, 106, 108, 110, 112, and 114 to be seen. As shown, each module 104, 106, 108, 110, 112, and 114, except for the largest module 102, has elliptical cavities 502, 504, 506, 508, 510, and 512, and each elliptical cavity 502, 504, 506, 508, 510, and 512 has a recess 514.

[0031] The elliptical cavities 502, 504, 506, 508, 510, and 512 of modules 104, 106, 108, 110, 112, and 114 are related to... Figure 4 The circular protrusions 404, 406, 408, 410, 412, and 414 shown engage. Therefore, the circular protrusion 404 of module 102 engages with the elliptical cavity 502 of module 104; the circular protrusion 406 of module 104 engages with the elliptical cavity 504 of module 106; the circular protrusion 408 of module 106 engages with the elliptical cavity 506 of module 108; the circular protrusion 410 of module 108 engages with the elliptical cavity 508 of module 110; the circular protrusion 412 of module 110 engages with the elliptical cavity 510 of module 112; and the circular protrusion 414 of module 112 engages with the elliptical cavity 512 of module 114.

[0032] Figure 6 An example of an elliptical cavity 602 and a bolt hole 302 for connecting bolts is shown. As shown, the bolt hole 302 shows a layer corresponding to the additional module through which the bolt 304 passes. The elliptical cavity 602 has vertices 610, 614 along the major axis 608 of the elliptical cavity 602, a single common vertex 612 along the minor axis 606 of the elliptical cavity 602, and a recess 514 extending into the elliptical cavity along the minor axis 606 and replacing the additional common vertex.

[0033] The round protrusions 604 of adjacent (i.e., close-to-each-side) modules engage within the elliptical cavity 602, and the friction between the recess 514 and the edge of the elliptical cavity 602 and the round protrusions 604 holds (one or more) modules in place. When the user applies torque to rotate the module, the round protrusions 604 can move from one side of the recess 514 to the other (i.e., the round protrusions 604 will extend above the recess 514).

[0034] Figure 7 A first example of a tool holder adjusted to allow rotation of the individual modules is shown. As shown, modules 102, 104, 106, 108, 110, 112, and 114 have been rotated such that (movement occurs from the largest module 102 to the smallest module 114) each subsequent module is slightly rotated (approximately 45°) from the preceding module, thus allowing sufficient space to pull (or push) the tool out of the corresponding module. In other configurations, the rotation angle can be greater than or less than 45°, as long as there is sufficient space to remove the tool.

[0035] Figure 8 A second example of a tool holder adjusted to allow rotation of the individual modules is shown. (See the text regarding...) Figure 7As described, the modules 102, 104, 106, 108, 110, 112, and 114 have been rotated to allow the user to pull (or push) and remove the tool from the corresponding module. As can be seen from this perspective view, bolts 304 extend through bolt holes 302 in each module.

[0036] Figure 9 An example of a tool holder that allows tool removal is shown by rotating a single module. As shown, only the minimum module 112 is rotated to allow tool removal from it. While in some configurations, the tool in the maximum module 102 can be removed without rotation (because no tool from other modules obstructs removal from the maximum module 102), however... Figure 9 The tools in modules 104, 106, 108, and 110 shown cannot be removed at this time.

[0037] The use of language such as “at least one of X, Y, and Z,” “at least one of X, Y, or Z,” “at least one or more of X, Y, and Z,” “at least one or more of X, Y, or Z,” “at least one or more of X, Y, and / or Z,” or “at least one of X, Y, and / or Z” is intended to include single items (e.g., X only, Y only, or Z only) and multiple items (e.g., {X and Y}, {X and Z}, {Y and Z}, or {X, Y, and Z}). The phrase “at least one” and similar phrases are not intended to express a requirement that every possible item must be present, although every possible item may be present.

[0038] The various embodiments described above are provided by way of illustration only and should not be construed as limiting the scope of this disclosure. Various modifications and changes may be made to the principles described herein without departing from the spirit and scope of this disclosure, and without following the exemplary embodiments and applications illustrated and described herein. For example, unless otherwise expressly indicated, the steps of a process or method may be performed in a different order than in the exemplary embodiments described above. Similarly, unless otherwise indicated, various components may be omitted, substituted, or arranged in constructions other than those described in the exemplary embodiments above.

[0039] Other aspects of this disclosure are provided for in the subject matter of the following provisions.

[0040] A tool holder includes: a first module defining at least one tool cavity, the at least one tool cavity of the first module being configured to receive and hold a first tool positioned along a first direction until a user applies pressure to remove the first tool; a second module also defining at least one tool cavity, the at least one tool cavity of the second module being configured to receive and hold a second tool positioned along the first direction until a user applies pressure to remove the second tool; and a position control mechanism disposed at an interface between the first module and the second module, the position control mechanism including: a protrusion located on one side of the first module, the protrusion being disposed in a mating cavity defined on a side of the second module adjacent to the first module, wherein the mating cavity is shaped such that the protrusion is movable within the mating cavity, thereby allowing the first module to rotate independently of the second module, such that a tool disposed in the at least one tool cavity of the first module can be positioned along a second direction different from the first direction.

[0041] The tool holder according to any one of the foregoing clauses, wherein: the protrusion is a round protrusion; and the mating cavity is an elliptical cavity.

[0042] The tool holder according to any one of the foregoing clauses, wherein: the elliptical cavity has a vertex along the major axis of the elliptical cavity, a single common vertex along the minor axis of the elliptical cavity, and a recess extending along the minor axis into the elliptical cavity and replacing the additional common vertex.

[0043] The tool holder according to any one of the foregoing clauses, wherein: when the first module is aligned with the second module, the first module is in a holding configuration; and when the first module is not aligned with the second module, the first module is in a releasing configuration.

[0044] The tool holder according to any one of the foregoing clauses, wherein: when the first module is in the holding configuration, the protrusion of the first module engages with the mating cavity of the second module, such that the round protrusion engages in the elliptical cavity of the second module on the first side of the recess; and when the first module is in the release configuration, the protrusion of the first module is connected to the mating cavity of the second module, such that the round protrusion engages in the elliptical cavity of the second module on the second side of the recess.

[0045] The tool holder according to any one of the foregoing clauses, wherein the torque applied by the user to the first module and the second module causes the rounded protrusion of the first module to extend from a first side of the recess of the elliptical cavity of the second module toward a second side of the recess.

[0046] According to any one of the foregoing clauses, when the first module is in the release configuration, the first module is offset from the second module by a predetermined angle.

[0047] The tool holder according to any one of the foregoing clauses, wherein the predetermined angle is 45°.

[0048] The tool holder according to any one of the foregoing clauses further includes: a third module, the third module also defining at least one tool cavity, the at least one tool cavity of the third module being configured to receive and hold a third tool positioned along the first direction until the user applies pressure to remove the third tool; and an additional position control mechanism disposed at an additional interface between the second module and the third module, the additional position control mechanism including: a protrusion located on a second side of the second module disposed in a mating cavity defined on a side of the third module adjacent to the second module.

[0049] The tool holder according to any one of the foregoing clauses, wherein the third module is larger than the second module, and the second module is larger than the first module.

[0050] The tool holder according to any one of the foregoing clauses, wherein: the first module, the second module and the third module are at least a portion of a plurality of modules, each of the plurality of modules having a different size, such that the plurality of modules are arranged in order from the largest module to the smallest module.

[0051] The tool holder according to any one of the foregoing clauses, wherein: both the first module and the second module include bolt holes; and the first module and the second module are secured together by bolts extending through the bolt holes of the first module and the second module.

[0052] The tool holder according to any one of the foregoing clauses, wherein the first tool and the second tool are one of a hex key and an Allen wrench.

[0053] A tool holder includes: a first module defining at least one tool cavity, the at least one tool cavity of the first module being configured to receive and hold a first tool positioned along a first direction until a user applies pressure to remove the first tool; a second module also defining at least one tool cavity, the at least one tool cavity of the second module being configured to receive and hold a second tool positioned along the first direction until a user applies pressure to remove the second tool; and a position control mechanism disposed at an interface between the first module and the second module, the position control mechanism including: a round protrusion located on one side of the first module, the round protrusion being disposed in a mating cavity defined on the side of the second module adjacent to the first module, wherein the mating cavity is a quasi-elliptical cavity, the mating cavity being shaped such that the round protrusion is movable within the mating cavity, thereby allowing the first module to rotate independently of the second module, such that a tool disposed in at least one tool cavity of the first module can be positioned along a second direction different from the first direction.

[0054] The tool holder according to any one of the foregoing clauses, wherein: the elliptical cavity has a vertex along the major axis of the elliptical cavity, a single common vertex along the minor axis of the elliptical cavity, and a recess extending along the minor axis into the elliptical cavity and replacing the additional common vertex.

[0055] The tool holder according to any one of the foregoing clauses, wherein: when the first module is aligned with the second module, the first module is in a holding configuration; and when the first module is not aligned with the second module, the first module is in a releasing configuration.

[0056] The tool holder according to any one of the foregoing clauses, wherein: when the first module is in the holding configuration, the round protrusion of the first module engages with the mating cavity of the second module, such that the round protrusion mates with the elliptical cavity of the second module on a first side of the recess; and when the first module is in the release configuration, the round protrusion of the first module is connected to the mating cavity of the second module, such that the round protrusion mates with the elliptical cavity of the second module on a second side of the recess.

[0057] The tool holder according to any one of the foregoing clauses, wherein the torque applied by the user to the first module and the second module causes the rounded protrusion of the first module to extend from a first side of the recess of the elliptical cavity of the second module toward a second side of the recess.

[0058] According to any one of the foregoing clauses, when the first module is in the release configuration, the first module is offset from the second module by a predetermined angle.

[0059] A tool holder includes: a first module defining at least one tool cavity, the at least one tool cavity of the first module being configured to receive and hold a first tool positioned along a first direction until a user applies pressure to remove the first tool; a second module also defining at least one tool cavity, the at least one tool cavity of the second module being configured to receive and hold a second tool positioned along the first direction until a user applies pressure to remove the second tool; and a third module also defining at least one tool cavity, the at least one tool cavity of the third module being configured to receive and hold a third tool positioned along the first direction until a user applies pressure to remove the third tool. The first module, the second module, and the third module are connected by a position control mechanism disposed at an interface between each module and an adjacent module. The position control mechanism includes: a protrusion located on one side of each of the modules, the protrusion being disposed in a mating cavity defined on the side of an adjacent module adjacent to the module, wherein the mating cavity is shaped such that the protrusion is movable within the mating cavity, thereby allowing each of the modules to rotate independently of the adjacent module, such that a tool disposed in at least one tool cavity of each of the modules can be positioned along a second direction different from the first direction.

Claims

1. A tool holder, comprising: A first module, the first module defining at least one tool cavity, the at least one tool cavity of the first module being configured to receive and hold a first tool positioned along a first direction until a user applies pressure to remove the first tool; The second module also defines at least one tool cavity, the at least one tool cavity of the second module being configured to receive and hold a second tool positioned along the first direction until the user applies pressure to remove the second tool; as well as A position control mechanism is disposed at the interface between the first module and the second module, and the position control mechanism includes: A protrusion located on one side of the first module, the protrusion being disposed within a mating cavity, the mating cavity being defined on the side of the second module adjacent to the first module. The mating cavity is shaped such that the protrusion can move within the mating cavity, thereby allowing the first module to rotate independently of the second module, and enabling a tool disposed in at least one tool cavity of the first module to be positioned in a second direction different from the first direction.

2. The tool holder according to claim 1, wherein: The protrusion is a round protrusion; and The mating cavity is an elliptical cavity.

3. The tool holder according to claim 2, wherein: The elliptical cavity has a vertex along the major axis of the elliptical cavity, a single common vertex along the minor axis of the elliptical cavity, and a recess extending along the minor axis into the elliptical cavity and replacing the additional common vertex.

4. The tool holder according to claim 3, wherein: When the first module is aligned with the second module, the first module is in a holding configuration; and When the first module is not aligned with the second module, the first module is in a release configuration.

5. The tool holder according to claim 4, wherein: When the first module is in the retaining configuration, the protrusion of the first module engages with the mating cavity of the second module, such that the round protrusion fits into the elliptical cavity of the second module on the first side of the recess; and When the first module is in the release configuration, the protrusion of the first module is connected to the mating cavity of the second module, such that the round protrusion is mated in the elliptical cavity of the second module on the second side of the recess.

6. The tool holder according to claim 5, wherein, The torque applied by the user to the first module and the second module causes the round protrusion of the first module to extend from the first side of the recess of the elliptical cavity of the second module to the second side of the recess.

7. The tool holder according to claim 4, wherein, When the first module is in the release configuration, the first module is offset from the second module by a predetermined angle.

8. The tool holder according to claim 7, wherein, The predetermined angle is 45°.

9. The tool holder according to claim 1, further comprising: The third module also defines at least one tool cavity, the at least one tool cavity of the third module being configured to receive and hold a third tool positioned along the first direction until the user applies pressure to remove the third tool; as well as An additional position control mechanism is disposed at an additional interface between the second module and the third module, and the additional position control mechanism includes: A protrusion located on the second side of the second module is provided in a mating cavity defined on the side of the third module adjacent to the second module.

10. The tool holder according to claim 9, wherein, The third module is larger than the second module, and the second module is larger than the first module.

11. The tool holder according to claim 9, wherein: The first module, the second module, and the third module are at least a part of a plurality of modules, each of which has a different size. This arranges the multiple modules in order from the largest module to the smallest module.

12. The tool holder according to claim 1, wherein: Both the first module and the second module include bolt holes; and The first module and the second module are fastened together by bolts extending through bolt holes in the first module and the second module.

13. The tool holder according to claim 1, wherein, The first tool and the second tool are either a hex key or an Allen wrench.

14. A tool holder, comprising: A first module, the first module defining at least one tool cavity, the at least one tool cavity of the first module being configured to receive and hold a first tool positioned along a first direction until a user applies pressure to remove the first tool; The second module also defines at least one tool cavity, the at least one tool cavity of the second module being configured to receive and hold a second tool positioned along the first direction until the user applies pressure to remove the second tool; as well as A position control mechanism is disposed at the interface between the first module and the second module, and the position control mechanism includes: A round protrusion located on one side of the first module is disposed in a mating cavity, which is defined on the side of the second module adjacent to the first module. The mating cavity is an elliptical cavity, and the mating cavity is shaped such that the round protrusion can move within the mating cavity, thereby allowing the first module to rotate independently of the second module, and enabling the tool disposed in at least one tool cavity of the first module to be positioned in a second direction different from the first direction.

15. The tool holder according to claim 14, wherein: The elliptical cavity has a vertex along the major axis of the elliptical cavity, a single common vertex along the minor axis of the elliptical cavity, and a recess extending along the minor axis into the elliptical cavity and replacing the additional common vertex.

16. The tool holder according to claim 15, wherein: When the first module is aligned with the second module, the first module is in a holding configuration; and When the first module is not aligned with the second module, the first module is in a release configuration.

17. The tool holder according to claim 16, wherein: When the first module is in the retaining configuration, the rounded protrusion of the first module engages with the mating cavity of the second module, such that the rounded protrusion fits into the elliptical cavity of the second module on the first side of the recess; and When the first module is in the release configuration, the round protrusion of the first module is connected to the mating cavity of the second module, such that the round protrusion is mated in the elliptical cavity of the second module on the second side of the recess.

18. The tool holder according to claim 17, wherein, The torque applied by the user to the first module and the second module causes the round protrusion of the first module to extend from the first side of the recess of the elliptical cavity of the second module to the second side of the recess.

19. The tool holder according to claim 16, wherein, When the first module is in the release configuration, the first module is offset from the second module by a predetermined angle.

20. A tool holder, comprising: A first module, the first module defining at least one tool cavity, the at least one tool cavity of the first module being configured to receive and hold a first tool positioned along a first direction until a user applies pressure to remove the first tool; The second module also defines at least one tool cavity, the at least one tool cavity of the second module being configured to receive and hold a second tool positioned along the first direction until the user applies pressure to remove the second tool; A third module, also defining at least one tool cavity, is configured to receive and hold a third tool positioned along the first direction until the user applies pressure to remove the third tool. The first module, the second module, and the third module are connected by a position control mechanism disposed at the interface between each module and an adjacent module. The position control mechanism includes: A protrusion located on one side of each module, the protrusion being disposed in a mating cavity, the mating cavity being defined on the side of an adjacent module adjacent to the module. The mating cavity is shaped such that the protrusion can move within the mating cavity, thereby allowing each module to rotate independently of the adjacent modules, and enabling a tool disposed in at least one tool cavity of each module to be positioned in a second direction different from the first direction.

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