Drape testing device

Abstract

The drape test apparatus includes a fixed body, a first moving body configured to support the central region of the fabric, move in a direction opposite to the direction of gravity, and be fixed to the fixed body, and a second moving body configured to support a peripheral region of the fabric different from the central region, move in a direction opposite to the direction of gravity, and move in the direction of gravity while the first moving body is fixed to the fixed body.

Description

Technical Field

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[0001] The present disclosure relates to a drape test apparatus.

Background Art

[0002] Fabric drape refers to the ability of fibers to deform when suspended by their weight under specific conditions. The drape of a fabric due to luster, color, and / or texture defines the appearance of the fabric and clothing. U.S. Patent Publication No. 5,097,713 discloses an apparatus for testing the rigidity of a fabric. The above-described background art is what was retained or acquired during the derivation process of the present disclosure and is not necessarily limited to publicly known technologies that were publicly disclosed to the general public before the filing of the present disclosure.

Summary of the Invention

Problems to be Solved by the Invention

[0003] One aspect of the present disclosure is to provide a drape test apparatus for scanning the outer shape according to the physical properties of a fabric in order to collect data for estimating the physical properties of the fabric.

Means for Solving the Problems

[0004] The drape test apparatus can include a fixed body, a first moving body configured to support the central region of the fabric and move in a direction opposite to the gravitational direction and be fixed to the fixed body, and a second moving body configured to support a peripheral region different from the central region of the fabric, move in a direction opposite to the gravitational direction, and move in the gravitational direction in a state where the first moving body is fixed to the fixed body.

[0005] In a state where the first moving body is not fixed to the fixed body, the first moving body and the second moving body can move in a direction opposite to the gravitational direction substantially simultaneously.

[0006] The second moving body can include a hole aligned with the first moving body.

[0007] The second moving body may include a projection configured to support the first moving body.

[0008] The fixing portion may be configured to magnetically fix the first movable body to the fixed body.

[0009] The actuator may be configured to move the second moving body in a direction opposite to the direction of gravity.

[0010] The coupler may be configured to connect the second moving body to the stationary body.

[0011] The fixed body may include a first leg, a second leg opposite to the first leg with respect to the first movable body, and an extension extending between the first leg and the second leg.

[0012] The system may include a laser that irradiates laser light toward the center of the first moving object.

[0013] It may include a camera configured to acquire an image of the fabric and positioned below the first moving body.

[0014] This may include a texture scanner configured to scan the texture of the aforementioned fabric.

[0015] The system may include a light source that illuminates the aforementioned fabric at least partially.

[0016] The case may include one that blocks external light and is configured to be detachable from the fixed body. [Effects of the Invention]

[0017] According to one embodiment, a consistent and natural initial wrinkle pattern of the fabric is formed. The drape test device according to one embodiment can further obtain the result of draping the fabric in an actually similar environment by freely dropping the fabric. According to one embodiment, the drape test device can perform the drape test with a miniaturized structure. The effects of the drape test device according to one embodiment are not limited to those mentioned above, and different effects not mentioned can be clearly understood by those skilled in the art from the following description.

[0018] The above-described aspects and other aspects, features, and advantages of the specific embodiments of the present disclosure will become apparent from the following detailed description with reference to the accompanying drawings.

Brief Description of the Drawings

[0019] [Figure 1] It is a perspective view of a drape test device according to one embodiment. [Figure 2] It is a plan view of a drape test device according to one embodiment. [Figure 3] It is a perspective view of the second moving body of a drape test device according to one embodiment. [Figure 4] It is a side view of a drape test device according to one embodiment. [Figure 5] It is a side view of the drape test device before the second moving body according to one embodiment rises. [Figure 6] It is a side view of the drape test device after the second moving body according to one embodiment rises. [Figure 7] It is a side view of the drape test device after the second moving body according to one embodiment falls. [Figure 8] It is a perspective view of a drape test device according to one embodiment. [Figure 9] It is an enlarged view of part A of FIG. 4.

Modes for Carrying Out the Invention

[0020] Hereinafter, embodiments will be described in detail while referring to the accompanying drawings. However, various changes may be made to the embodiments, and the scope of the patent application rights shall not be limited or restricted by such embodiments. It should be understood that all changes, equivalents, or alternatives to the embodiments are included in the scope of rights.

[0021] The terms used in the embodiments are merely for the purpose of explanation and are not to be construed as having an intention of limitation. Singular expressions include plural expressions unless the context clearly gives a different meaning. In this specification, terms such as "comprising" or "having" indicate the presence of the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, and do not preclude the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

[0022] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by those having ordinary knowledge in the technical field to which this embodiment belongs. Commonly used predefined terms should be interpreted as having a meaning matching the meaning they have in the context of the related art, and should not be interpreted as having an ideal or overly formal meaning unless clearly defined in this specification.

[0023] Also, in the description with reference to the accompanying drawings, regardless of the reference numerals in the drawings, the same components will be given the same reference numerals, and duplicate descriptions thereof will be omitted. In the description of the embodiments, if a specific description of the related known technology is determined to obscure the gist of the embodiments unnecessarily, the detailed description thereof will be omitted.

[0024] Furthermore, in describing the components of an embodiment, terms such as First, Second, A, B, (a), (b), etc., may be used. These terms are used to distinguish a component from other components, and the terms do not limit the nature, order, or sequence of the component in question. If it is stated that any component is “connected,” “joined,” or “connected” to another component, it should be understood that while that component may be directly connected or connected to the other components, further components may be “connected,” “joined,” or “connected” between each component.

[0025] Components included in any one embodiment and components with common functions will be described using the same names in the other embodiments. Unless otherwise stated, the descriptions in any one embodiment can be applied to the other embodiments, and specific descriptions will be omitted to the extent that they overlap.

[0026] Figure 1 is a perspective view of a drape test apparatus according to one embodiment. Figure 2 is a plan view of the drape test apparatus according to one embodiment. Figure 3 is a perspective view of the second moving body of the drape test apparatus according to one embodiment. Figure 4 is a side view of the drape test apparatus according to one embodiment. Figure 9 is an enlarged view of portion A in Figure 4.

[0027] Referring to Figures 1 to 4, the drape test apparatus 100 (hereinafter referred to as "apparatus 100") can be used to scan the outline of a fabric (for example, fabric FB in Figures 5 to 7) based on its physical properties in order to collect data for estimating the physical properties of the fabric. For example, the physical properties of a fabric may include at least one or a combination thereof from the following: stretch-weft stiffness, stretch-wrap stiffness, shear stiffness, banding-weft stiffness, banding-wrap stiffness, or bending bias stiffness. Here, weft refers to the horizontal threads of the fabric and is also called the horizontal thread. Warp refers to the vertical threads of the fabric and is also called the vertical thread.

[0028] The apparatus 100 can measure and / or evaluate changes in the external shape (e.g., deformation) of the fabric FB due to its own weight under specific conditions. The apparatus 100 can be placed on a substantially flat surface (e.g., the ground) in an environment where gravity is acting.

[0029] The apparatus 100 includes a stationary structure 110. The stationary structure 110 is substantially immobile relative to other components (for example, the first moving body 130 or the second moving body 140).

[0030] The fixture 110 includes a base 111. The base 111 is configured to support other components (e.g., a first leg 112, a second leg 113, or a light source L). The base 111 includes an opening to which fastening means (e.g., screws) for securing the other components are fixed. The base 111 is configured to provide a support surface (e.g., a surface in the +Z normal direction) on which the other components are placed. The base 111 includes, but is not limited to, a plate shape and may include a variety of shapes. The base 111 is made of a metallic material. For example, the base 111 may be made of aluminum. Other components may be placed on the base 111.

[0031] The fixed body 110 includes a first leg 112. The first leg 112 is positioned on the base 111. The first leg 112 is positioned on a first portion of the base 111 (e.g., the end in the -Y direction). The first leg 112 extends from the base 111 in the direction normal to the base 111 (e.g., the +Z direction). The first leg 112 is supported by the base 111. The first leg 112 includes a metallic material. For example, the first leg 112 may include aluminum.

[0032] The fixed body 110 includes a second leg 113. The second leg 113 is positioned on the base 111. The second leg 113 is positioned on the base 111 opposite to the first leg 112 with respect to the first movable body 130. The second leg 113 is positioned on a second portion of the base 111 (e.g., the end in the +Y direction). The second leg 113 extends from the base 111 in the direction normal to the base 111 (e.g., the +Z direction). The second leg 113 is supported by the base 111. The second leg 113 is made of a metallic material. For example, the second leg 113 may be made of aluminum.

[0033] In embodiments not shown, the anchor 110 may include only a single leg (e.g., a first leg 112). In embodiments not shown, the anchor 110 may include three or more legs (e.g., a first leg 112, a second leg 113, and a third leg, etc.) positioned on different parts of the base 111.

[0034] The fixed body 110 includes an extension 114. The extension 114 extends between the first leg 112 and the second leg 113. The extension 114 is connected to the first end of the first leg 112 (e.g., the end in the +Z direction). The extension 114 is connected to the first end of the second leg 113 (e.g., the end in the +Z direction). The extension 114 is positioned on the base 111. Other components (e.g., a first mobile body 130 or a second mobile body 140) are positioned between the base 111 and the extension 114.

[0035] The extension 114 includes a solid having a polygonal cross-sectional shape (e.g., a rectangular plate). The extension 114 is substantially flat. The extension 114 includes a metallic material. For example, the extension 114 may include aluminum. The extension 114 does not move substantially in its original position.

[0036] The device 100 includes a first mobile body 130. The first mobile body 130 is configured to move relative to a stationary body 110. The first mobile body 130 may be at least partially supported by a second mobile body 140. The first mobile body 130 moves (e.g., rises) in a direction substantially opposite to the direction of gravity (e.g., the +Z direction). When the first mobile body 130 moves in a direction substantially opposite to the direction of gravity (e.g., the +Z direction), the first mobile body 130 may be configured to be fixed to the stationary body 110. The first mobile body 130 may be configured to be fixed to an extension 114 when it has moved to a certain position (e.g., the second height D2 in Figure 6). For example, the first mobile body 130 may include magnets. For example, when the first mobile body 130 has moved from the base 111 to a height substantially equal to a certain height (e.g., the second height D2 in Figure 6), it may be configured to be fixed to an extension 114 by magnets.

[0037] The first movable body 130 is configured to provide a support surface on which a fabric (e.g., fabric FB in Figures 5-7) is placed. For example, the first movable body 130 may be configured to support a region of the fabric (e.g., a central region). For example, the support surface (e.g., the top surface) of the first movable body 130 may include a solid (e.g., a disc) having a substantially circular or elliptical cross-sectional shape. In embodiments not shown, the first movable body 130 may include a solid (e.g., a quadrilateral plate) having a polygonal cross-sectional shape. In embodiments not shown, the first movable body 130 may include a substantially spherical or hemispherical solid. The support surface of the first movable body 130 may be substantially flat. The first movable body 130 is made of a metallic material. For example, the first movable body 130 may be made of aluminum.

[0038] The apparatus 100 includes a second moving body 140. The second moving body 140 can be configured to move relative to the stationary body 110. The second moving body 140 can be configured to move (e.g., upward) in a direction substantially opposite to the direction of gravity (e.g., the +Z direction). The second moving body 140 can be configured to move (e.g., downward) in a direction substantially opposite to the direction of gravity (e.g., the -Z direction). With the first moving body 130 fixed to the stationary body 110 or extension 114, the second moving body 140 can be configured to move substantially in the direction of gravity. The movement of the second moving body 140 relative to the stationary body 110 can induce a natural and / or consistent change in the shape of the fabric FB.

[0039] The second moving body 140 includes a first plate 141. The first plate 141 can be configured to support a region (e.g., a central region) and other regions (e.g., a peripheral region) of the fabric (e.g., fabric FB in Figures 5-7) supported by the first moving body 130. The first plate 141 can be configured to move in a direction substantially opposite to the direction of gravity (e.g., the +Z direction). When the first plate 141 moves in a direction substantially opposite to the direction of gravity (e.g., the +Z direction), the first moving body 130 can move in a direction substantially opposite to the direction of gravity at substantially the same time. While the first plate 141 is moving in a direction substantially opposite to the direction of gravity, the height of one face of the first moving body 130 (e.g., the face in the +Z normal direction) and the height of one face of the first plate 141 (e.g., the face in the +Z normal direction) are substantially the same.

[0040] The first plate 141 may be configured to move (e.g., fall) substantially in the direction of gravity (e.g., the -Z direction). When the first plate 141 moves substantially in the direction of gravity, the first moving body 130 may be configured to be fixed to the extension 114. When the first plate 141 moves (e.g., falls) substantially in the direction of gravity (e.g., the -Z direction), the support force of the first plate 141 on the fabric is reduced or eliminated, and the area of ​​the fabric supported by the first plate 141 (e.g., the peripheral area) acts in the direction of gravity.

[0041] The first plate 141 extends around its central axis (e.g., the Z-axis). For example, the first plate 141 may include an annular shape having an inner frame and an outer frame. The central axis of the first plate 141 substantially coincides with the central axis of the first mobile body 130.

[0042] The first plate 141 is positioned outside the first mobile body 130. Before the first plate 141 moves (e.g., rises) in a direction substantially opposite to the direction of gravity (e.g., the +Z direction), the position of the first plate 141 (e.g., height from the base 111) is substantially the same as the position of the first mobile body 130 (e.g., height from the base 111).

[0043] The second moving body 140 includes a first hole 142. The first hole 142 may be configured to accommodate the first moving body 130 at least partially. The first hole 142 may be substantially circular or elliptical. The shape of the first hole 142 is not limited to circular or elliptical and may include a shape complementary to the shape of the first moving body 130. The first hole 142 is located in the central region of the first plate 141. The first hole 142 may be defined by the inner frame of the first plate 141. The first hole 142 penetrates the first side of the first plate 141 (e.g., the +Z direction side) and the second side opposite to the first side (e.g., the -Z direction side). The central axis of the first hole 142 (e.g., the Z axis) substantially coincides with the central axis of the first moving body 130 (e.g., the Z axis).

[0044] The second moving body 140 includes a plurality of second holes 143. The plurality of second holes 143 penetrate the first side (e.g., the +Z direction side) and the second side (e.g., the -Z direction side) opposite the first side of the first plate 141. Air can flow through the plurality of second holes 143. For example, when the first plate 141 falls, the air on the second side of the first plate 141 can flow through the plurality of second holes 143 to the first side of the first plate 141, thereby reducing the air resistance of the first plate 141. Thus, when the fabric flows in the direction of gravity, it can exhibit desired morphological changes (e.g., natural and consistent morphological changes).

[0045] The multiple second holes 143 may include substantially circular or elliptical cross-sectional shapes. The multiple second holes 143 are not limited to circular or elliptical shapes and may include any shape suitable for air passage. For example, the multiple second holes 143 may include polygonal shapes such as squares or octagons.

[0046] Multiple second holes 143 can be arranged around the central axis of the first plate 141 and in the periphery direction of the first plate 141. The second movable body 140 includes multiple (e.g., seven) rows of second holes 143 located at various distances from the central axis of the first plate 141 between the inner and outer frames of the first plate 141. Any row of second holes 143 is positioned close to the inner frame of the first plate 141 (e.g., first distance). Any row of second holes 143 is positioned at a distance of one (e.g., second distance greater than first distance) from the outer frame of the first plate 141. The size of each of the multiple second holes 143 is smaller than the size of the first hole 142.

[0047] The second moving body 140 includes a plurality of second plates 144. For example, one of the plurality of second plates 144 is positioned in a first side end region of the first plate 141, and another second plate is positioned in a second region opposite to the first side end region of the first plate 141. In embodiments not shown, the second moving body 140 may include three or more second plates 144, each positioned in different side end regions of the first plate 141. In embodiments not shown, the second moving body 140 includes a single second plate 144. Each end region of the plurality of second plates 144 is connected to the side surface of the first plate 141. The plurality of second plates 144 include a metallic material. For example, the plurality of second plates 144 may include aluminum. The plurality of second plates 144 are each positioned to face a corresponding single leg (e.g., a first leg 112, a second leg 113, or a third leg (not shown)). For example, one of the second plates 144 is positioned inside the first leg 112 (e.g., in the +Y direction) and facing the first leg 112, while the other second plate 144 is positioned inside the second leg 113 (e.g., in the -Y direction) and facing the second leg 113. Multiple second plates 144 have surfaces with normal directions (e.g., X and / or Y directions) that are different from the normal direction (e.g., Z direction) of the surface of the first plate 141. Multiple second plates 144 are parallel to the first leg 112 and / or the second leg 113, respectively.

[0048] The second mobile body 140 includes a projection 145. The projection 145 is configured to support the first mobile body 130. The user can place the first mobile body 130 on the projection 145 before performing a drape test. The projection 145 is located in the central region of the first plate 141. The projection 145 is configured to project outwards from the inner frame of the first plate 141 toward the central axis (e.g., the Z-axis) of the first plate 141. The projection 145 is formed as a step in the inner frame of the first plate 141. The projection 145 is formed along the edge of the lower step region (e.g., the -Z-axis direction end region) of the inner frame of the first plate 141. The projection 145 is a step, but is not limited thereto, and may be any shape that projects outwards from the inner frame of the first plate 141.

[0049] The combined thickness of the projection 145 (e.g., the thickness in the Z-axis direction) and the first moving body 130 (e.g., the thickness in the Z-axis direction) is substantially the same as the thickness of the first plate 141 (e.g., the thickness in the Z-axis direction). When the projection 145 supports the first plate 141, the height of the first face of the first moving body 130 (e.g., the face in the +Z normal direction) and the height of the first face of the first plate 141 (e.g., the face in the +Z normal direction) are substantially the same. The projection 145 includes a metallic material. For example, the projection 145 may include aluminum.

[0050] The projection 145 can be positioned at any location inside the first plate 141 that can support the first movable body 130. For example, in an embodiment not shown, the projection 145 is positioned on the underside of the first plate 141 (e.g., the side normal to the -Z direction) and is configured to project toward the central axis of the first plate 141. The projection 145 is configured to support the first movable body 130 on the underside of the first plate 141. When the projection 145 is positioned on the underside of the first plate 141, the thickness of the first movable body 130 (e.g., the thickness in the Z-axis direction) is substantially the same as the thickness of the first plate (e.g., the thickness in the Z-axis direction).

[0051] The stationary body 110, the first mobile body 130, and the second mobile body 140 have a color (e.g., black) with a saturation lower than that of the fabric (e.g., fabric FB in Figures 5-7). This can enhance the ability of an optical element (e.g., camera 190) to distinguish the fabric from the stationary body 110, the first mobile body 130, and the second mobile body 140. For example, the stationary body 110, the first mobile body 130, and the second mobile body 140 may be anodized.

[0052] The apparatus 100 includes a fixing section 150. The fixing section 150 is configured to fix the fabric (e.g., fabric FB in Figures 5-7) to the extension section 114. The fixing section 150 is configured to fix the first moving body 130 to the extension section 114. The fixing section 150 may include various structures (e.g., electromagnets, anchors, etc.) that can fix the first moving body 130 and / or the fabric to the extension section 114. For example, the fixing section 150 may be configured so that the first moving body 130 is directly magnetically fixed to the extension section 114. For example, the fixing section 150 may be configured so that the first moving body 130 is fixed to the extension section 114 by magnetic coupling between other components (e.g., first fixing element 151 and second fixing element 152). The fixing section 150 can reduce or prevent unwanted deformation of the fabric due to airflow around the fabric while the first plate 141 is falling. The fixing part 150 is configured to fix the first moving body 130 to the fixing part 110 or the extension part 114 when the first moving body 130 moves to a certain height from the base 111 (for example, substantially the same height as the second height D2 shown in Figure 6). When the first moving body 130 is fixed to the fixing part 110 or the extension part 114, the second moving body 140 can move substantially in the direction of gravity (for example, in the -Z axis direction) relative to the first moving body 130.

[0053] The fixing portion 150 includes a first fixing element 151 positioned on the extension portion 114. The first fixing element 151 includes a magnet. The first fixing element 151 is positioned on the underside of the extension portion 114 (e.g., the -Z direction plane). The first fixing element 151 is substantially positioned on the central axis (e.g., the Z axis) of the first plate 141. Although the first fixing element 151 is shown as being positioned on the underside of the extension portion 114, it is not limited to this and may be positioned at any position that can secure the first moving body 130 and / or the fabric.

[0054] The fixed portion 150 includes a second fixed element 152 positioned on the first movable body 130. The second fixed element 152 is positioned on the lower surface (e.g., the -Z direction surface) of the first movable body 130. The second fixed element 152 includes a magnet.

[0055] When the first movable body 130 moves from the base 111 to a certain height (for example, substantially the same height as the second height D2 shown in Figure 6), the first fixed element 151 and the second fixed element 152 can be magnetically coupled. The first movable body 130 and / or the fabric FB can be fixed between the first fixed element 151 and the second fixed element 152.

[0056] The stationary body 110 includes a plurality of linear guides 120. The plurality of linear guides 120 are configured to guide the linear movement of the second moving body 140. For example, the plurality of linear guides 120 can guide the second moving body 140 to fall in the direction of effective gravity. For example, the plurality of linear guides 120 may guide the second moving body 140 to move in a direction opposite to the direction of effective gravity.

[0057] Each of the linear guides 120 includes a rail 121 and a slider 122 configured to slide relative to the rail 121. One rail 121 is positioned on a first leg 112, and the other rail 121 is positioned on a second leg 113. The slider 122 is positioned on a corresponding second plate 144.

[0058] The rail 121 extends along the inner surface of the first leg 112 or the second leg 113 in the direction of extension of the first leg 112 or the second leg 113 (for example, in the Z direction). The slider 122 is positioned in the lower region of the outer surface of the second plate 144. In embodiments not shown, the rail 121 may be positioned on the second plate 144 and the slider 122 may be positioned on the first leg 112 or the second leg 113.

[0059] The device 100 includes an actuator 160 configured to move (e.g., raise) the second moving body 140 in a direction substantially opposite to the direction of gravity (e.g., in the +Z axis direction). The actuator 160 is located on the first leg 112 or the second leg 113. The actuator 160 is configured to cause a slider 122 to slide relative to the rail 121 in a direction substantially opposite to the direction of gravity. The actuator 160 can be configured to cause the first plate 141 to free fall substantially in the direction of gravity (e.g., in the -Z axis direction) once it has moved to a height substantially equal to a certain height (e.g., the second height D2 shown in Figure 6). The actuator 160 can be configured not to substantially interfere with the fall of the second moving body 140 when the second moving body 140 falls. For example, the actuator 160 may be configured to be coupled to the second plate 144 or slider 122 while the actuator 160 is raising the second moving body 140, and to be released when the first plate 141 moves to a certain height (for example, the second height D2 in Figure 6).

[0060] The device 100 includes a coupler 170. The coupler 170 is configured to connect the second mobile body 140 to the stationary body 110. The coupler 170 can be configured to control the fall of the second mobile body 140. For example, in the connected state, the second mobile body 140 does not move relative to the stationary body 110, while in the decoupled state, the second mobile body 140 can move relative to the stationary body 110. For example, the coupler 170 is configured to connect the second mobile body 140 to the stationary body 110 when the first plate 141 has moved to a height substantially equal to a certain height (e.g., the second height D2 in Figure 6), and to cause the second mobile body 140 to fall when the coupler 170 decouples the stationary body 110 and the second mobile body 140.

[0061] The coupler 170 includes a first electromagnetic element 171 and a second electromagnetic element 172 configured to be electromagnetically coupled to each other. For example, the first electromagnetic element 171 and the second electromagnetic element 172 each include an electromagnet. While current flows through the first electromagnetic element 171 and the second electromagnetic element 172 respectively, the first electromagnetic element 171 and the second electromagnetic element 172 remain coupled to each other, while if the current flowing through at least one of the electromagnetic elements is reduced or interrupted, the first electromagnetic element 171 and the second electromagnetic element 172 are separated from each other. The first electromagnetic element 171 is located on top of one leg (e.g., a first leg 112 or a second leg 113), and the second electromagnetic element 172 is located on the bottom of a second plate 144 corresponding to the leg.

[0062] In one embodiment, the coupler 170 includes an electromagnetic element and a magnetic element. For example, the electromagnetic element may include an electromagnet, and the magnetic element may include a permanent magnet. The electromagnetic element and the magnetic element remain coupled while current flows through the electromagnetic element, while they separate from each other when the current flowing through the electromagnetic element is reduced or interrupted. For example, the electromagnetic element may be embodied as one of the elements 171 and 172 shown in Figures 1, 4 to 7, and the magnetic element may be embodied as the other of the elements 171 and 172 shown in Figures 1, 4 to 7.

[0063] The apparatus 100 includes a laser 180. The laser 180 is configured to project laser light toward the central axis (e.g., the Z-axis) of the first plate 141 and / or the central axis (e.g., the Z-axis) of the first mobile body 130 when the first mobile body 130 and / or the second mobile body 140 are in a position before they rise (e.g., the position of the first height D1 in Figure 5). The user can position the fabric (e.g., fabric FB in Figures 5-7) such that its center substantially coincides with the center of the first mobile body 130 through the position where the laser light is projected.

[0064] The laser 180 is positioned on the extension 114. The extension 114 may include a hole (not shown) through which the laser beam can pass, so that the laser 180 can irradiate the laser beam onto the central axis of the first moving body 130. The fixed part 150 may also include a hole (not shown) through which the laser beam can pass, so that the laser 180 can irradiate the laser beam onto the central axis of the first moving body 130.

[0065] In embodiments not shown, the laser 180 may be positioned at any location that allows it to project laser light toward the substantial center of the first moving body 130. Here, the extension 114 or the fixed portion 150 does not contain any holes for the laser light to pass through. For example, although the drawings show the laser 180 positioned on the central axis of the extension 114, the laser 180 may be positioned at other locations on the extension 114. The laser 180 may be oriented at any position on the extension 114 to project laser light toward the central axis of the first moving body 130.

[0066] In embodiments not shown, the laser 180 may be positioned on a component other than the extension 114 (for example, case C shown in Figure 8). The laser 180 located on the other component may be oriented to project laser light onto the central axis of the first moving body 130.

[0067] In embodiments not shown, the apparatus 100 does not include the laser 180. Even if the apparatus 100 does not include the laser 180, the user may position the fabric (e.g., fabric FB in Figures 5-7) at a desired position on the first plate 141. For example, the fabric may include a mark (e.g., a "+" mark) passing through the substantial center of the fabric, and if this mark is extended, the user can position the fabric such that the mark coincides with the substantial center of the first plate 141 by utilizing the portion that touches the edge of the fabric.

[0068] The apparatus 100 includes a camera 190. The camera 190 is positioned on a base 111. The camera 190 is positioned between the base 111 and the first mobile body 130. The camera 190 is positioned substantially on the central axis (e.g., the Z-axis) of the first mobile body 130. In embodiments not shown, the camera 190 may be positioned at any position where an image of the fabric can be acquired. The camera 190 is configured to photograph the underside (e.g., the -Z direction side) of the first mobile body on the base 111 to acquire an image of the fabric. When the camera 190 is positioned below the first mobile body, the apparatus 100 can be made smaller than when the camera 190 is positioned above the first mobile body. The camera 190 is configured to have a field of view that allows an image of the fabric to be acquired at a relatively close distance (e.g., a distance of only the second height D2 in Figure 6). The field of view of camera 190 can be configured to have an appropriate value depending on the distance between the raised extension 114 and camera 190 (for example, the second height D2 in Figure 6).

[0069] Referring to Figure 9, the apparatus 100 includes a texture scanner 192. The texture scanner 192 can be configured to scan the texture of a fabric (e.g., the fabric FB in Figures 5-7). The texture scanner 192 can acquire an image of the fabric and scan its texture. For example, when the first moving body 130 is positioned at a first height D1 from the base 111, the first plate 141 is also positioned at a first height D1 from the base, and the fabric FB is positioned on the first moving body and the first plate, the texture scanner 192 can scan the texture of the fabric. The texture scanner 192 is positioned on the extension 114. The texture scanner 192 is positioned on the substantial central axis of the extension 114. Although the laser 180 is not shown in the drawings, the laser 180 and the texture scanner 192 may all be positioned on the extension 114. The apparatus 100 includes a light source L. The light source L is positioned on the base 111. A light source L is placed on the base 111, and a camera 190 is placed on the light source L. The light source L is configured to illuminate a fabric (e.g., fabric FB in Figures 5-7). The light source L can enhance the camera 190's ability to distinguish the fabric. The light source L includes an LED. The light source L can be configured so that the camera 190 acquires a shadow-free image of the fabric within a case (e.g., case C in Figure 8) while a drape test is being performed.

[0070] Unlike the case where the light source L is placed on the base 111 and the camera 190 is placed on the light source L, in this case, the light source L is placed in different areas on the base 111 from the camera 190. For example, the camera 190 may be placed in one area on the base 111 (e.g., the central area of ​​the base 111), and the light source L may be placed in a different area from the area where the camera 190 is not placed (e.g., the peripheral area of ​​the base 111). The light source L placed in the peripheral area may at least partially surround the camera 190.

[0071] The light source L can be configured to illuminate the fabric (e.g., fabric FB in Figures 5-7). The light source L can enhance the camera 190's ability to distinguish the fabric. The light source L includes an LED. The light source L can be configured so that the camera 190 acquires a shadow-free image of the fabric within a case (e.g., case C in Figure 8) while the drape test is being performed.

[0072] The apparatus 100 includes at least one second light source (not shown) positioned on the extension 114 or guide 120. The second light source can enhance the discernibility of textures when the texture scanner 192 scans the texture of the fabric (e.g., fabric FB in Figures 5-7). The second light source includes an LED. The second light source may be configured to acquire an image of the fabric without shadows cast by the texture scanner 192 or other components (e.g., the extension 114) while the texture scanner 192 is scanning the texture.

[0073] Figure 5 is a side view of the drape test apparatus before the second moving body rises according to one embodiment. Figure 6 is a side view of the drape test apparatus after the second moving body rises according to one embodiment. Figure 7 is a side view of the drape test apparatus after the second moving body falls according to one embodiment. Figure 8 is a perspective view of the drape test apparatus according to one embodiment.

[0074] Referring to Figures 5 to 8, the drape test process can be further understood. Referring to Figure 5, in order to perform the drape test, the user places the fabric FB on a first mobile body (e.g., the first mobile body 130 in Figure 7) and a second mobile body 140. The first mobile body is supported by a projection (e.g., the projection 145 in Figure 3) and positioned inside the first plate 141. The first mobile body is positioned at a first height D1 from the base 111, and the first plate 141 is also positioned at a first height D1 from the base 111. The user can position the fabric so that its center substantially coincides with the center of the first mobile body by looking at the position where the laser 180 irradiates the fabric or by markings contained on the fabric. The second fixed element 152 is positioned below the first mobile body. The second fixed element 152 is positioned substantially on the central axis (e.g., the Z-axis) of the first plate 141.

[0075] Referring to Figure 6, the actuator 160 may move the second plate 144 in a direction substantially opposite to the direction of gravity (e.g., the +Z direction) to position the first moving body (e.g., the first moving body 130 in Figure 7), the first plate 141, and the fabric FB from the base 111 to a second height D2. Once positioned at the second height D2, the first moving body is fixed to the extension 114. The first moving body can be fixed to the extension 114 through the magnetic coupling of the first and second fixing elements 151 and 152. When the first moving body is substantially positioned at the second height D2, the second fixing element 152 can be moved magnetically toward the first fixing element 151. As the second fixing element 152 moves toward the first fixing element 151, the first moving body 130 can also move with it. Once the first plate 141 is positioned at the second height D2, the actuator 160 does not move the second plate 144 any further. When the first movable body and the first plate 141 are positioned at the second height D2, the coupler 170 connects the fixed body 110 and the second movable body 140. Even if the actuator 160 does not move the second plate 144 any further, the height of the second movable body 140 remains at the second height D2 through the coupler 170.

[0076] Referring to Figure 7, while the first moving body 130 and the fabric FB are fixed to the extension 114, the second moving body 140 moves (e.g., falls) substantially in the direction of gravity (e.g., the -Z direction) relative to the first moving body 130. The second moving body 140 falls to a first height D1 from the base 111. As the area of ​​the fabric FB supported by the second moving body 140 stretches, multiple wrinkles may form in the sagging area of ​​the fabric FB. The camera 190 can acquire an image of the fabric FB. The second moving body 140 can move to a second height D2 where the first moving body 130 and the fabric FB are fixed. Thereafter, the first moving body 130 and the second moving body 140 can gradually return to the first height D1.

[0077] Referring to Figure 8, the apparatus 100 includes a case C configured to block external light. Case C can be configured to be detachable from the fixed body 110. The user can use case C to reduce or eliminate background noise while performing a drape test. Case C may have a color (e.g., black) with a lower saturation than the saturation of the fabric FB. The surface of case C contains a low-saturation paint. This can enhance the ability of an optical element (e.g., camera 190) to distinguish the fabric from case C. For example, case C may be anodized. The user can perform a drape test without case C. Figures 5 to 7 show the process of performing a drape test without case C, but the user can also perform the drape test process shown in Figures 5 to 7 with case C attached to the fixed body 110.

[0078] Although embodiments of the present invention have been described in detail above with reference to the drawings, the present invention is not limited to the embodiments described above, and a person with ordinary skill in the art can apply various technical modifications and variations based on the above. For example, the described techniques may be performed in a different order than described, and / or the described systems, structures, devices, circuits, and other components may be combined or combined in a different manner than described, or substituted or replaced by other components or equivalents, and still achieve appropriate results.

[0079] Therefore, the scope of the present invention is not limited to the disclosed embodiments, but is defined by equivalents to the claims, etc.

Claims

1. fixed body, A first movable body is configured to support the central region of the fabric, move in a direction opposite to the direction of gravity, and be fixed to the fixed body, A second moving body is configured to support a peripheral region of the fabric different from the central region, move in a direction opposite to the direction of gravity, and move in the direction of gravity while the first moving body is fixed to the fixed body, A drape test apparatus, including a drape test device.

2. The drape test apparatus according to claim 1, wherein the first moving body is not fixed to the fixed body, and the first moving body and the second moving body move substantially simultaneously in a direction opposite to the direction of gravity.

3. The drape test apparatus according to claim 1, wherein the second moving body includes a hole aligned with the first moving body.

4. The drape test apparatus according to claim 1, wherein the second moving body includes a projection configured to support the first moving body.

5. The drape test apparatus according to claim 1, further comprising a fixing part configured to magnetically fix the first movable body to the fixed body.

6. The drape test apparatus according to claim 1, further comprising an actuator configured to move the second moving body in a direction opposite to the direction of gravity.

7. The drape test apparatus according to claim 1, further comprising a coupler configured to connect the second movable body to the fixed body.

8. The aforementioned fixed body is First leg and, With respect to the first moving body, a second leg opposite to the first leg, The drape test apparatus according to claim 1, comprising an extension portion extending between the first leg and the second leg.

9. The drape test apparatus according to claim 1, further comprising a laser that irradiates laser light toward the center of the first moving body.

10. The drape test apparatus according to claim 1, further comprising a camera configured to acquire an image of the fabric and positioned below the first moving body.

11. The drape testing apparatus according to claim 1, further comprising a texture scanner configured to scan the texture of the fabric.

12. The drape test apparatus according to claim 1, further comprising a light source for illuminating at least a portion of the fabric.

13. The drape test apparatus according to claim 1, further comprising a case configured to block external light and to be detachable from the fixed body.

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