A device for sharpening fishing hooks

Abstract

The present invention relates to an apparatus for sharpening fishing hooks, the use of the apparatus, a fishing hook system, and a method for grinding fishing hooks. Apparatus 1 comprises a first grinding element 10 having a first grinding surface 11 with an abrasive layer 12, a second grinding element 20 having a second grinding surface 21 with an abrasive layer 22, and at least one fastening means 30a, 30b, 30c, 30e, 30f, 30g, 30h designed and arranged to detachably connect the first grinding element 10 to the second grinding element 20, and the first grinding element 10 and the second grinding element 2 In the grinding mechanism, the first grinding element 10 and the second grinding element 20 are detachably connected to each other at the grinding position so that they are in contact with each other, and the first grinding surface 11 of the first grinding element 10 and the second grinding surface 21 of the second grinding element 20 are positioned facing each other at the grinding position so that a grinding region 5a is formed between the first grinding surface 11 of the first grinding element 10 and the second grinding surface 21 of the second grinding element 20.

Description

[[TECHNICAL FIELD]]

[0001] The present invention relates to a device for sharpening fishing hooks. Furthermore, the present invention relates to a fishing hook system, a method for grinding a fishing hook, and use of a device for sharpening a fishing hook. [[BACKGROUND ART]]

[0002] In fishing, fishing hooks are typically used that function to secure bait and hold caught fish on a fishing line. Fishing hooks of various shapes and sizes are known. A fishing hook typically has a head, a shank, a bend, a tip portion, and optionally a barb. Fishing hooks are typically made of metal.

[0003] The tip portion of a fishing hook blunts relatively quickly, after which it no longer properly engages a fish's mouth. Using a blunt fishing hook can also cause injury to fish. Blunting of a fishing hook can occur, for example, due to contact with underwater objects such as stones, branches, or aquatic plants. Once a fishing hook blunts, it can no longer be used. To enable a fishing hook to properly engage a fish's mouth and avoid causing injury to fish, the use of a fishing hook with a sharp tip is very important in fishing. [[SUMMARY OF THE INVENTION]]

[0004] It is known to use grinding tools for sharpening fishing hooks or fishing hook tips. Therefore, for example, it is known to use whetstones with a grinding surface or files for this purpose. However, sharpening a fishing hook in this manner requires a great deal of practice, and often results in unsatisfactory outcomes where the fishing hook tip does not return to the desired sharp shape.

[0005] Therefore, the present invention is based on the object of providing an improved solution that addresses at least one of the mentioned problems. In particular, it is an object of the present invention to provide a solution that improves the sharpening of fishing hook tips.

[0006] According to a first aspect of the present invention, this objective is achieved by the apparatus described in claim 1. Thereafter, an apparatus for sharpening a fishing hook is provided, comprising: a first grinding element having a first grinding surface with an abrasive layer, particularly in the form of a diamond coating; a second grinding element having a second grinding surface with an abrasive layer, particularly in the form of a diamond coating; and at least one fastening means designed and arranged to connect the first grinding element to the second grinding element, particularly detachably, wherein the first and second grinding elements are connected to each other at the grinding position such that the first and second grinding elements are in contact with each other, and the first grinding surface of the first grinding element and the second grinding surface of the second grinding element are positioned opposite each other at the grinding position such that a grinding region is formed between the first grinding surface of the first grinding element and the second grinding surface of the second grinding element, preferably the grinding region is formed in an essentially acute-angled cross-sectional shape.

[0007] Therefore, a device for sharpening fishing hooks is provided, which has two grinding elements that can be detachably connected to one another, and when these grinding elements are connected to one another and positioned in a grinding position, they form at least one grinding region between the two grinding surfaces, which is useful for sharpening the tip of the fishing hook.

[0008] The advantage of such a device is that it makes sharpening the tip of a fishing hook virtually easy, and ensures that the hook is properly sharpened. As a result, the fishing hook can be used for a considerably longer period, and the negative effects of a dulled hook can be avoided.

[0009] The fact that such a device makes it possible to reliably sharpen fishhooks in a particularly simple manner is based in part on the fact that the device has a grinding area through which the tip of the fishhook can be sharpened as the fishhook moves through this grinding area. This grinding area can be formed by arranging the components of the device relative to each other in a way that already essentially corresponds to the cross-sectional shape of the fishhook, i.e., the tip of the fishhook. As a result, even inexperienced users can sharpen fishhooks successfully.

[0010] A further advantage of such a device is that the grinding elements are particularly detachably connected to one another and preferably disassembled, allowing for particularly good cleaning and / or maintenance of the device. In the disassembled state, i.e., the maintenance position, particularly good cleaning and / or maintenance can be performed on the grinding elements.

[0011] Preferably, the grinding region has an essentially acute-angled cross-sectional shape. The essentially acute-angled grinding region in the cross-section should be understood in particular as a grinding region that forms an acute angle in the cross-section, i.e., an angle of less than 90° is formed between the two grinding surfaces, but the first and second grinding surfaces do not need to have a perfectly flat cross-section and can each have rounded edges. For this reason, the essentially acute-angled grinding region can be formed as an acute-angled grinding region without rounded edges, or as an acute-angled grinding region with rounded edges.

[0012] The grinding area preferably has an angle of less than 35°, more preferably less than 20°, and more preferably less than 15°. Particularly preferably, the grinding area has an angle of less than 15° and / or greater than 1°, preferably greater than 5°.

[0013] The first grinding element and the first grinding surface are preferably formed integrally. However, the first grinding element and the first grinding surface may also be formed as separate components, particularly as components that can be detachably connected to each other by shape-fitting connections.

[0014] The second grinding element and the second grinding surface are preferably formed integrally. However, the second grinding element and the second grinding surface may also be formed as separate components, particularly as components that can be detachably connected to each other by shape-fitting connections.

[0015] The first grinding element and / or the second grinding element preferably include plastic and / or steel of type V4A or AISI 316, for example. Alternatively, the first grinding element and / or the second grinding element may also include materials other than plastic and / or steel. The first and / or second abrasive layers are more preferably formed in the form of a diamond coating, particularly with a grit size of up to FEPA F 20 and at least FEPA F 320, and especially preferably with a grit size of FEPA F 240 or FEPA F 180.

[0016] The grinding position should be understood as the relative position of the grinding elements, specifically where the first and second grinding elements are connected to each other, i.e., positioned in contact with each other. Therefore, the tip of a fishhook can be sharpened by this device at the grinding position.

[0017] The contact of the first grinding element with the second grinding element should be understood as at least partial contact. Therefore, the grinding elements may contact each other only over small areas, or they may contact each other planarly over larger areas.

[0018] It is particularly preferable that the first grinding element has a width and height, extends in a first plane along the width and height of the first grinding element, the second grinding element has a width and height, extends in a second plane along the width and height of the second grinding element, and that the first plane and the second plane are arranged parallel to each other at the grinding position.

[0019] The width of the first grinding element is preferably smaller than the height of the first grinding element. The width of the second grinding element is preferably smaller than the height of the second grinding element. The height of the first grinding element is preferably equivalent to the height of the second grinding element. The width of the first grinding element is preferably equivalent to the width of the second grinding element.

[0020] It is particularly preferable that the first grinding element and the second grinding element be designed to be essentially identical.

[0021] The advantage of having the first and second grinding elements of the same design is that manufacturing costs can be reduced because the same mold and / or tools can be used in the manufacture of the first and second grinding elements, or the same mold and / or tools can be used. Furthermore, if the first or second grinding element is worn or defective, it can be replaced by using another identical grinding element as a replacement.

[0022] It is particularly preferable that the first grinding element and the second grinding element are arranged and designed to be mirror-symmetric with respect to the mirror surface on which the first grinding element and the second grinding element abut each other.

[0023] Preferably, the mirror surfaces are arranged parallel to the first plane and the second plane.

[0024] The advantage of such a mirror-symmetric design is that the device can be held and used in different positions. As a result, when the device is used in various positions, the grinding surface wears more uniformly, and consequently, it can achieve a longer overall service life on the grinding surface than conventional grinding tools such as files, which are used to sharpen fishhooks and whose grinding surfaces often wear considerably unevenly.

[0025] It is preferable that the first grinding surface and the second grinding surface are each formed with curved surfaces such that one of the two grinding surfaces is formed in a convex shape and the other of the two grinding surfaces is formed in a concave shape. As a result, an asymmetric curved grinding region is formed between the first grinding surface and the second grinding surface, and this region is preferably formed as a negative shape of a curved fishing hook tip.

[0026] It is preferable that the outer surface of the first grinding element is formed with ribs. As a result, better gripping performance is achieved in a particularly favorable manner, and slipping of the hand during use is avoided or reduced.

[0027] It is preferable that the outer surface of the second grinding element is formed with ribs. As a result, better gripping performance is achieved in a particularly favorable manner, and slipping of the hand during use is avoided or reduced.

[0028] It is particularly preferable that the first grinding element has a thickness, the thickness of the first grinding element is several times smaller than the width of the first grinding element and / or several times smaller than the height of the first grinding element, the second grinding element has a thickness, and the thickness of the second grinding element is several times smaller than the width of the second grinding element and / or several times smaller than the height of the second grinding element.

[0029] The thickness of the first grinding element is preferably less than 1 cm, particularly preferably less than 0.5 cm. The thickness of the second grinding element is preferably less than 1 cm, particularly preferably less than 0.5 cm.

[0030] It is particularly preferable that the height of the first grinding element is at least 5 cm, preferably at least 6 cm, particularly preferably at least 8 cm. Preferably, the height of the first grinding element is at most 20 cm, particularly preferably at most 15 cm.

[0031] It is particularly preferable that the height of the second grinding element is at least 5 cm, preferably at least 6 cm, particularly preferably at least 8 cm. Preferably, the height of the second grinding element is at most 20 cm, particularly preferably at most 15 cm.

[0032] The width of the first grinding element is preferably at least 4 cm, preferably at least 5 cm, and most preferably at least 6 cm. Preferably, the width of the first grinding element is up to 15 cm, and most preferably up to 10 cm.

[0033] The width of the second grinding element is preferably at least 4 cm, preferably at least 5 cm, and most preferably at least 6 cm. Preferably, the width of the second grinding element is up to 15 cm, and most preferably up to 10 cm.

[0034] The advantage of such dimensions is that they allow the device to be held particularly well with one hand, thus enabling particularly favorable handling of the device.

[0035] At least one fastening means is preferably comprised of multiple screws, preferably at least two screws, most preferably at least four screws, and most preferably at least six screws. Preferably, multiple fastening means, for example six, in the form of screws, are used.

[0036] Preferably, at least one threaded hole for accommodating at least one fastening means is provided in the first grinding element and / or the second grinding element. Preferably, a threaded hole is provided for each fastening means so that each fastening means can be inserted into the corresponding threaded hole.

[0037] However, the first grinding element may not be detachably connected to the second grinding element, for example, by a material bonding connection, preferably in the form of a welded connection.

[0038] It is particularly preferable that the first grinding element has a third grinding surface with an abrasive layer, particularly in the form of a diamond coating, and the second grinding element has a fourth grinding surface with an abrasive layer, particularly in the form of a diamond coating, and that the third grinding surface of the first grinding element and the fourth grinding surface of the second grinding element are arranged facing each other at the grinding position such that a further grinding region is formed between the third grinding surface of the first grinding element and the fourth grinding surface of the second grinding element.

[0039] The advantage of such additional grinding areas is that, instead of one, two grinding areas are provided, which significantly extends the service life of the grinding areas, and especially the grinding surfaces, and therefore the equipment, by a significant amount, perhaps even doubling it. For example, after the grinding surface forming one grinding area wears down, it is possible to use an additional grinding area, or to use the grinding areas uniformly so that uniform wear occurs across all grinding surfaces over time.

[0040] Preferably, the further grinding area has a cross-sectional shape that is essentially acute, i.e., an angle of less than 90°.

[0041] The further grinding area preferably has an angle of less than 35°, more preferably less than 20°, and especially less than 15°.

[0042] It is particularly preferable that the first grinding surface is formed integrally with the first grinding element, and the second grinding surface is formed integrally with the second grinding element.

[0043] The advantage of this integrated design is that, apart from at least one fastening mechanism, the device has only two components: a first grinding element and a second grinding element. As a result, the device is easier for the user to handle, the manufacturing of the components is simplified, and manufacturing costs can be reduced.

[0044] The first grinding surface is preferably provided with a height extension portion that extends from the lower end of the first grinding surface where the first grinding surface and the second grinding surface converge and / or come into contact at the grinding position, to the upper end of the first grinding surface where the first grinding surface forms an outer opening in the grinding area. Preferably, the height extension portion of the first grinding surface is at least 1 mm, preferably at least 1.5 mm, and / or up to 5 mm, preferably up to 3 mm.

[0045] The second grinding surface is preferably provided with a height extension portion that extends from the lower end of the second grinding surface where the second grinding surface and the first grinding surface converge and / or come into contact at the grinding position, to the upper end of the second grinding surface where the second grinding surface forms an outer opening in the grinding area. Preferably, the height extension portion of the second grinding surface is at least 1 mm, preferably at least 1.5 mm, and / or up to 5 mm, preferably up to 3 mm.

[0046] The height extension portion of the first grinding surface and the height extension portion of the second grinding surface are preferably the same.

[0047] However, it is sometimes preferable that the height extension portion of the first grinding surface and the height extension portion of the second grinding surface are not the same. Particularly preferable, the height extension portion of the second grinding surface can be several times larger than the height extension portion of the first grinding surface, preferably at least three times larger. As a result, it is particularly preferable to grind the entire tip of the fishhook by pressing the fishhook against the second grinding surface, particularly the second polishing layer, in the first step and moving it along the second grinding surface, particularly the second polishing layer, and then, in the next step, rotate the fishhook, for example, 90° and then press it against the first grinding surface, particularly the first polishing layer, and move it along the first grinding surface, particularly the first polishing layer, to grind only the foremost part of the fishhook tip. As a result, particularly sharp fishhooks can be produced.

[0048] Furthermore, it is preferable that the height extension portion of the first polishing layer and the height extension portion of the second polishing layer are not the same. Particularly preferable, the height extension portion of the second polishing layer can be several times larger than the height extension portion of the first polishing layer, preferably at least three times larger. As a result, it is particularly preferable to grind the entire tip of the fishhook by pressing the fishhook against the second polishing layer and moving it along the second polishing layer in the first step, and then in the next step to grind only the foremost part of the fishhook tip by rotating the fishhook, for example, 90°, and then pressing it against the first polishing layer and moving it along the first polishing layer. As a result, particularly sharp fishhooks can be produced.

[0049] The first grinding surface is preferably having a longitudinally extending portion that is perpendicular to the height-extending portion. Preferably, the first grinding surface has two spaced-apart partial polishing layers, namely a first partial polishing layer and a second partial polishing layer of the first grinding surface. Preferably, the first partial polishing layer of the first grinding surface has a larger, particularly preferably several times larger, extension in the direction of the longitudinally extending portion of the first grinding surface. Preferably, the first grinding surface has at least one uncoated region located between the first partial polishing layer and the second partial polishing layer of the first grinding surface. Multiple uncoated regions may also be provided. This makes it possible to move the fishhook along the first partial polishing layer of the first grinding surface in the first step, then rotate the fishhook, for example, 90° in the next step, and then move it along the second partial polishing layer of the first grinding surface, thereby achieving the particularly sharp foremost part of the fishhook.

[0050] The second grinding surface is particularly preferably having a longitudinally extending portion that is perpendicular to the height-extending portion. Preferably, the second grinding surface has two spaced-apart partial polishing layers, namely a first partial polishing layer of the second grinding surface and a second partial polishing layer of the second grinding surface. Preferably, the first partial polishing layer of the second grinding surface has a larger, particularly preferably several times larger, extension in the direction of the longitudinally extending portion of the second grinding surface. Preferably, the second grinding surface has at least one uncoated region located between the first partial polishing layer of the second grinding surface and the second partial polishing layer of the second grinding surface. Multiple uncoated regions can also be provided. This makes it possible to move the fishhook along the first partial polishing layer of the second grinding surface in the first step, then rotate the fishhook, for example, 90° in the next step, and then move it along the second partial polishing layer of the second grinding surface, thereby achieving the particularly sharp foremost part of the fishhook.

[0051] The first grinding element is preferably particularly preferably having a first recess positioned between the first grinding surface of the first grinding element and the third grinding surface of the first grinding element.

[0052] The advantage of such a recess is that it saves material and reduces the weight of the device. A further advantage is that one or more fingers can be guided into the recess while using the device, thereby allowing for a more stable grip and preventing the device or fishhook from slipping while sharpening.

[0053] The second grinding element is preferably particularly preferably having a second recess positioned between the second grinding surface of the second grinding element and the fourth grinding surface of the second grinding element.

[0054] Preferably, the first recess and the second recess are designed to be identical.

[0055] It is particularly preferable that the first grinding element has a first gripping region and a second gripping region, each formed to curve inward in the direction of the center point of the first grinding element, particularly in the direction of the first recess of the first grinding element, and the second grinding element has a third gripping region and a fourth gripping region, each formed to curve inward in the direction of the center point of the second grinding element, particularly in the direction of the second recess of the second grinding element.

[0056] The advantages of such a gripping area are that it allows for material savings and reduces the weight of the device. A further advantage is that it allows for a more stable hold of the device during use, preventing the device or fishhook from slipping while sharpening.

[0057] It is particularly preferable that the first grinding element and the second grinding element can be positioned in a maintenance position where at least one fastening means is released and the first grinding element and the second grinding element are not connected to each other.

[0058] The advantage of positioning the device in a maintenance location is that cleaning the device is extremely easy and thorough. Furthermore, if the grinding elements are reassembled and connected to each other, and rotated, for example, 180° relative to each other, other relative arrangements of the grinding elements are also possible. Good cleaning is possible, which can extend the service life of the device in a particularly favorable way.

[0059] The first grinding element has a first rod element whose cross-section is essentially semicircular, the first grinding surface is positioned on the first rod element, and it is particularly preferable that the first rod element is positioned to fit in shape within the housing area of ​​the first grinding element body at the grinding position.

[0060] The second grinding element has a second rod element whose cross-section is essentially semicircular, the second grinding surface is positioned on the second rod element, and it is particularly preferable that the second rod element is positioned to fit in shape within the housing area of ​​the second grinding element body at the grinding position.

[0061] Preferably, clamping screws are designed and positioned to detachably clamp the first rod element and the second rod element to each other.

[0062] Preferably, the two rod elements are designed to be the same length. The first grinding element body and the second grinding element body are preferably designed to be the same length. The two rod elements are preferably designed to be longer than the grinding element body such that the rod elements protrude from the grinding element body, preferably on both sides. The rod elements preferably protrude from both sides of the grinding element body by the same length. However, it is also conceivable that the rod elements protrude further from one side of the grinding element body than from the other side.

[0063] In a further embodiment, the object described above is achieved by a fishing hook system comprising a fishing hook having a fishing hook tip whose cross-sectional shape is essentially acute, and the apparatus described herein, wherein the grinding region formed between the first grinding surface of the first grinding element and the second grinding surface of the second grinding element has a cross-sectional shape that conforms to the cross-sectional shape of the fishing hook tip and / or a cross-sectional shape corresponding to the cross-sectional shape of the fishing hook tip.

[0064] The advantage of such corresponding cross-sectional shapes for the fishhook and grinding area is that the desired shape of the fishhook tip can be accurately restored by this device.

[0065] Preferably, a further grinding region is also provided, which is similarly adapted to the shape of the tip of the fishing hook and formed accordingly, such as the first grinding region, and this grinding region is simply rotated 180° relative to the first grinding region.

[0066] In a further embodiment, the object set forth in the introduction is achieved by a method for grinding a fishing hook, comprising the steps of: preparing a fishing hook system as described herein; placing the apparatus in a grinding position and grinding the fishing hook by moving the tip of the fishing hook along the grinding area of ​​the apparatus; and placing the apparatus in a maintenance position and cleaning the first grinding element and the second grinding element, in particular the first grinding surface and the second grinding surface.

[0067] In a further embodiment, the object described at the beginning is achieved by using the apparatus described herein for sharpening the tip of a fishing hook, and in particular by performing the method described herein.

[0068] With regard to the advantages, embodiments, and details of the various aspects of the solutions described herein and possible developments of their corresponding forms, refer also to the descriptions of the corresponding features, details, and advantages of other aspects of the corresponding forms and their developments.

[0069] Preferred exemplary embodiments are described by reference with the accompanying drawings, which are not necessarily to scale. In the drawings, identical or functionally identical or similar elements are indicated by the same reference numeral. The drawings show the following: [Brief explanation of the drawing]

[0070] [Figure 1] This is a perspective view showing a first embodiment of a device for sharpening fishing hooks. [Figure 2a] This is a first side view of the first embodiment shown in Figure 1. [Figure 2b] This is a second side view of the first embodiment shown in Figure 1. [Figure 2c] This is a side view showing a further embodiment of a device for sharpening fishing hooks. [Figure 2d] This is a side view showing a further embodiment of a device for sharpening fishing hooks. [Figure 2e] This is a side view showing a further embodiment of a device for sharpening fishing hooks. [Figure 3a] This is a cross-sectional view showing details of the first embodiment shown in Figure 1. [Figure 3b] This is a partial view showing the second grinding element of the first embodiment shown in Figure 1. [Figure 4a] This is a perspective view of a partial detail shown in Figure 3b of the first embodiment shown in Figure 1. [Figure 4b] This is a schematic diagram of the components of a fishing hook system. [Figure 4c] This is a schematic diagram of the components of a fishing hook system. [Figure 4d] These are partial diagrams of the first and second grinding elements of a further embodiment. [Figure 4e] This is a partial diagram showing a second grinding element of a further embodiment. [Figure 4f] A cross-sectional view showing further details of an embodiment of a device for sharpening fishing hooks, and two perspective views of this embodiment. [Figure 5] This is a side view showing a second embodiment of a device for sharpening fishing hooks. [Figure 6a] This is a perspective view showing a third embodiment of a device for sharpening fishing hooks. [Figure 6b] This is a cross-sectional view of the third embodiment shown in Figure 6a. [Figure 7a] Figure 6a is a perspective view of the rod element of the third embodiment. [Figure 7b] Figure 6a is a perspective view of the grinding element body of the third embodiment. [Figure 8] This is a schematic diagram of a method for grinding fishhooks. [Modes for carrying out the invention]

[0071] Figure 1 shows a perspective view of a first embodiment of a fishing hook sharpening device 1 in the grinding position. The device 1 comprises a first grinding element 10 having a first grinding surface 11 with an abrasive layer, particularly in the form of a diamond coating, and a second grinding element 20 having a second grinding surface 21 with an abrasive layer, particularly in the form of a diamond coating. A plurality of fastening means 30a, 30b, 30c, 30d, 30e, 30f are provided, designed and arranged to detachably connect the first grinding element 10 to the second grinding element 20. The fastening means 30a, 30b, 30c, 30d, 30e, 30f are designed in the form of screws, which are positioned into screw holes and detachably screwed into the screw holes. As a result, the first grinding element 10 and the second grinding element 20 are connected to each other at the grinding position shown in the figure such that they are in contact with each other, and the first grinding surface 11 of the first grinding element 10 and the second grinding surface 21 of the second grinding element 20 are positioned opposite each other such that a grinding region 5a is formed between the first grinding surface 11 of the first grinding element 10 and the second grinding surface 21 of the second grinding element 20. A further grinding region 5b is formed between the third grinding surface 31 of the first grinding element 10 and the fourth grinding surface 41 of the second grinding element 20.

[0072] The first grinding element 10 has a first recess 15 positioned between the first grinding surface 11 and the third grinding surface 31 of the first grinding element 10. The second grinding element 20 has a second recess 25 positioned between the second grinding surface 21 and the fourth grinding surface 41 of the second grinding element 20. The first recess 15 and the second recess 25 are identically designed and overlap each other.

[0073] The first grinding element 10 has a first gripping region 16 and a second gripping region 17, and the first gripping region 16 and the second gripping region 17 are each formed to curve inward in the direction of the center point M1 of the first grinding element 10, and in particular in the direction of the first recess of the first grinding element 10. The second grinding element 20 has a third gripping region 26 and a fourth gripping region 27, and the third gripping region 26 and the fourth gripping region 27 are each formed to curve inward in the direction of the center point M2 of the second grinding element 20, and in particular in the direction of the second recess of the second grinding element 20.

[0074] Figure 2a shows a first side view of a first embodiment of the apparatus 1 shown in Figure 1. The first grinding element 10 has a width B1 and a height H1. The first grinding element 10 extends along its width B1 and height B1 within a first plane E1 (see Figures 3a and 3b). The second grinding element 20 has a width B2 and a height H2 and extends along its width B2 and height H2 within a second plane E2 (see Figure 3a). The first plane E1 and the second plane E2 are arranged parallel to each other at the grinding position.

[0075] The height H1 of the first grinding element 10 and the height of the second grinding element 20 are, for example, 8 cm each. The width B1 of the first grinding element 10 and the width B2 of the second grinding element are, for example, 6 cm each.

[0076] Figure 2b shows a second side view of the first embodiment shown in Figure 1. In this figure, the second grinding element 20 is shown from the side, that is, from the side of the apparatus opposite to the side shown in Figure 2a. The second grinding element 20 is designed similarly to the first grinding element 10.

[0077] Figure 2c shows a side view of a further embodiment of the apparatus 1 for sharpening fishing hooks. The first grinding element 10 has a width B3 and a height H3. The recess 16 has a height H5. The same applies to the recess 17. The outer surface G of the first grinding element 10 is formed with ribs. The second grinding element 20 has a corresponding shape. The second grinding element 20 has a width B3 and a height H3. The recess 16 has a height H5. The same applies to the recess 17. The outer surface G of the second grinding element 20 is formed with ribs.

[0078] Figure 2d shows a side view of a further embodiment of the apparatus 1 for sharpening fishing hooks. The first grinding element 10 has a width B4 and a height H4. The first grinding element 10 has a rectangular shape but does not have lateral recesses. The outer surface G of the first grinding element 10 is formed with ribs. The second grinding element 20 has a corresponding shape. The second grinding element 20 has a width B4 and a height H4. The outer surface G of the second grinding element 20 is formed with ribs.

[0079] Figure 2e shows a side view of a further embodiment of the apparatus 1 for sharpening fishing hooks. The outer surfaces G of the first grinding element 10 and the second grinding element 20 are formed with ribs. In this embodiment, lateral recesses 16, 17, 26, and 27 are provided.

[0080] Figure 3a shows a detailed cross-sectional view of the first embodiment shown in Figure 1, located in the grinding area 5a. The fastening screw 30b is guided through holes 19, 29, which are at least partially threaded to accommodate the fastening screw 30b, and is positioned within the holes 19, 29. As a result, the first grinding element 10 and the second grinding element 20 are held together. The first grinding element 10 extends in plane E1. The second grinding element 20 extends in plane E2, and the grinding elements 10 and 20 are designed and positioned mirror-symmetrically with respect to plane E. Planes E1, E2, and E are arranged parallel to each other. The surface 18 of the first grinding element 10 is in planar contact with the surface 28 of the second grinding element 20.

[0081] The grinding area 5a is formed by the first grinding surface 11 and the second grinding surface 21. Due to the arrangement of the first grinding surface 11 and the second grinding surface 21, the grinding area 5a has an acute-angled cross-sectional shape with an angle W of approximately 10° in the embodiment shown in the figure. Adjacent to the first grinding surface 11, a further plane 13 is positioned at a specific angle to the first grinding surface 11. Further, a further plane 14 is positioned adjacent to plane 13 and rotated by a specific angle relative to plane 13. Adjacent to the second grinding surface 21, a further plane 23 is positioned at a specific angle x (see Figure 3b) (approximately 45°) relative to the second grinding surface 21. Further, a further plane 24 is positioned adjacent to plane 23 and rotated by a specific angle relative to plane 23.

[0082] Figure 3b shows a partial view of the second grinding element 20 of the first embodiment shown in Figure 1. This figure shows partial details of the second grinding element 20 shown in Figure 3a (but not a cross-section). The plane 24 extends essentially horizontally H in the upright position of the apparatus.

[0083] Figure 4a shows a perspective view of the first embodiment shown in Figure 1, with some of the details shown in Figure 3b. The second grinding surface 21 has a diamond coating 22.

[0084] Figure 4b shows a schematic diagram of the components of the fishing hook system. The fishing hook tip X has a slight curvature R1 at the end of the tip. The second grinding element 20 has a second grinding surface 21 which similarly has a slight curvature R2 in the lower region. The curvature R2 is designed to essentially correspond to the curvature R1 of the fishing hook tip.

[0085] Figure 4c shows a schematic diagram of the components of the fishing hook system. The fishing hook tip X has a tip with a taper that extends essentially constant to the end of the fishing hook tip X. The second grinding element 20 has a second grinding surface 21 that extends in a plane. The second grinding surface is designed to essentially correspond to the angle of the outer surface of the fishing hook tip X. The second grinding surface 21 has a height extension HE that extends from the lower end of the second grinding surface 21 where the second grinding surface 21 and the first grinding surface converge and / or come into contact at the grinding position, to the upper end of the second grinding surface 21 where the second grinding surface 21 forms an outer opening of the grinding area. The height extension HE of the second grinding surface 21 is at least 1 mm, preferably at least 1.5 mm, and / or up to 5 mm, preferably up to 3 mm. The first grinding surface (not shown here) similarly has a corresponding height extension that extends from the lower end of the first grinding surface where the first grinding surface and the second grinding surface 21 converge and / or come into contact at the grinding position, to the upper end of the first grinding surface where the first grinding surface forms an outer opening in the grinding area. The height extension of the first grinding surface is similarly at least 1 mm, preferably at least 1.5 mm, and / or up to 5 mm, preferably up to 3 mm.

[0086] Figure 4d shows a partial view of the first grinding element 10 and the second grinding element 20 of a further embodiment. The height extension HE1 of the first grinding surface 11, which is the same as the height extension of the first polishing layer 12 in the figure, and the height extension HE2 of the second grinding surface 21, which is the same as the height extension of the second polishing layer 22 in the figure, are not identical. The height extension HE2 of the second grinding surface 21, and therefore the height extension of the second polishing layer 22, is several times larger than the height extension HE1 of the first grinding surface 11, and therefore the height extension of the first polishing layer 12, preferably at least three times larger. This allows the entire tip of the fishing hook to be ground by pressing it against the second grinding surface 21 in the first step and moving it along the second grinding surface 21, and then in the next step, the fishing hook to be rotated, for example by 90°, and then pressed against the first grinding surface 11 and moved along the first grinding surface 11 to grind only the very front part of the tip of the fishing hook.

[0087] Figure 4e shows a partial view of a second grinding element 20 of a further embodiment. The longitudinal extension LE of the second grinding surface 21 extends perpendicularly to the height extension HE of the second grinding surface 21. The grinding surface 21 has two spaced-apart partial polishing layers 22a and 22b, namely a first partial polishing layer 22a and a second partial polishing layer 22b, in the form of a diamond coating. Between the two partial polishing layers 22a and 22b, which are arranged along the longitudinal extension LE of the second grinding surface 21, is an uncoated portion U1, which has no polishing layer and therefore no diamond coating. Furthermore, an additional uncoated portion U2 is located between the edge EK of the grinding element 20 and the second partial polishing layer 22b. Preferably, the first partial polishing layer 22a and the second partial polishing layer 22b of the second grinding surface 21 have different extensions in the direction of the longitudinal extension of the second grinding surface 21. This makes it possible to move the fishhook along the first partial polishing layer 22a of the second grinding surface 21 in the first step, and then in the next step rotate the fishhook, for example, by 90° and then move it along the second partial polishing layer 22b of the second grinding surface 21.

[0088] Figure 4f shows a detailed cross-sectional view of a further embodiment of the apparatus for sharpening fishing hooks, and two perspective views of this embodiment. The first grinding surface 11 and the second grinding surface 21 are each formed with a curved surface such that one of the two grinding surfaces 11, 21 is convex and the other of the two grinding surfaces 11, 21 is concave, resulting in an asymmetrical curved grinding region 5a being formed between the first grinding surface 11 and the second grinding surface 21, which is formed as a negative shape of the curved tip of the fishing hook.

[0089] Figure 5 shows a side view of a second embodiment of the device 1 for sharpening fishing hooks. The first grinding element 10 has a first gripping region 16 and a second gripping region 17, the first gripping region 16 and the second gripping region 17 each formed to curve inward in the direction of the center point of the first grinding element 10. In both cases, the curvature is formed to be semicircular. The fastening screws 30a, 30b, 30c, 30d, and 30e are arranged in an X shape, i.e., by four fastening screws arranged at the corners of a rectangle, particularly a square, with a central fastening screw positioned in the center of these screws.

[0090] Figure 6a shows a perspective view of a third embodiment in which the device for sharpening fishing hooks is in the grinding position. In this embodiment, the first grinding element 10 has a first rod element S1 whose cross-section is essentially semicircular. The first grinding surface 11 is positioned on the first rod element S1. The first rod element S1 is positioned to fit within the housing area Bx (see Figure 6b) of the first grinding element body 10a of the first grinding element 10 in the grinding position. The second grinding element 20 has a second rod element S2 whose cross-section is essentially semicircular. The second grinding surface 21 is positioned on the second rod element S2, and the second rod element S2 is positioned to fit within the housing area By (see Figure 6b) of the second grinding element body 20a of the second grinding element 20 in the grinding position. Therefore, in this embodiment, the first grinding element 10 comprises a first grinding element body 10a and a first rod element S1. Similarly, the second grinding element 20 comprises a second grinding element body 20a and a second rod element S2. Two clamping screws 30c and 30f are provided to detachably clamp the first rod element S1 and the second rod element S2 to each other. A grinding region 5a is formed between the first grinding surface 11 of the first rod element S1 and the second grinding surface 21 of the second rod element S2. Furthermore, an additional grinding region 5b is also formed between the first grinding surface 11 of the first rod element S1 and the second grinding surface 21 of the second rod element S2, i.e., on the opposite side of the contact line between the two rod elements S1 and S2 from the first grinding region 5a. The two rod elements S1 and S2 are preferably designed to be the same length. The first grinding element body 10a and the second grinding element body 20a are preferably designed to be the same length. Preferably, the two rod elements S1 and S2 are designed to be longer than the first grinding element body 10a and the second grinding element body 20a, preferably so that the rod elements S1 and S2 protrude from the grinding element body 10a and 20a on both sides. The rod elements S1 and S2 can protrude further from one side of the grinding element body 10a and 20a than from the other side (as shown as an example in Figure 6a), or they can protrude by the same length on both sides of the grinding element body 10a and 20a.

[0091] Figure 6b shows a cross-sectional view of the third embodiment shown in Figure 6a. In the figure, the fastening screws are arranged somewhat differently from those in Figure 6a. Otherwise, the embodiment shown in the figure corresponds to the embodiment shown in Figure 6a, and therefore, the description of Figure 6a should be referred to in relation to this figure.

[0092] Figure 7a shows a perspective view of the rod element S2 of the third embodiment shown in Figure 6a. The length L1 of the rod element S2 is preferably longer than the length L2 of the grinding element body 20a (see Figure 7b). The rod element further has a diameter d. The grinding surface 21 has a diamond coating 22.

[0093] Figure 7b shows a perspective view of the grinding element body 20a of the third embodiment shown in Figure 6a. The grinding element body 20a has a housing area By for housing the rod element S2 shown in Figure 7a. The grinding element body 20a has a width b1, a height h1, and a length L2. Together with the rod element S2 shown in Figure 7a, the grinding element body 20a forms a second grinding element. The first grinding element is configured in correspondence with this (see Figures 6a and 6b).

[0094] Figure 8 shows a schematic diagram of a method 100 for grinding a fishing hook. The method includes, in step 110, preparing a fishing hook system comprising a fishing hook having a fishing hook tip X whose cross-sectional shape is essentially acute, and a device 1, wherein the grinding region 5a formed between the first grinding surface 11 of the first grinding element 10 and the second grinding surface 21 of the second grinding element 20 has a cross-sectional shape that conforms to the cross-sectional shape of the fishing hook tip X of the fishing hook, and / or a cross-sectional shape corresponding to the cross-sectional shape of the fishing hook tip X of the fishing hook. In step 120, the device 1 is placed in a grinding position and the fishing hook is ground by moving the fishing hook tip along the grinding region 5a of the device 1. In step 130, the device 1 is placed in a maintenance position and the first grinding element 10 and the second grinding element 20, in particular the first grinding surface 11 and the second grinding surface 21, are cleaned. [Explanation of Symbols]

[0095] 1 device 5a Grinding area 5b Further grinding area 10. First grinding element 10a First grinding element body 11 First grinding surface 12. First polishing layer 13, 14 Plane of the first grinding element 15 First recess 16 First gripping region of the first grinding element 17 Second gripping area of ​​the first grinding element 18 Surface of the first grinding element 19 Hole of the first grinding element 20 Second grinding element 20a First grinding element body 21 Second grinding surface 22 Second polishing layer 23, 24 Plane of the second grinding element 25 Second recess 26 Second gripping area of ​​the second grinding element 27 Second gripping area of ​​the second grinding element 28 Surface of the second grinding element 29 Hole of the second grinding element 30a~g Fastening means 31 Third grinding surface 41. Fourth grinding surface Steps 110, 120, 130 of the method B1, B2 Width of the first and second grinding elements Bx, By containment area D1, D2: Thickness of the first and second grinding elements. E Mirror surface E1, E2 Planes of the first and second grinding elements H1, H2: Heights of the first and second grinding elements. Center points of the M1 and M2 grinding elements S1, S2 First and second rod elements W Grinding area opening angle X Fishing hook tip

Claims

1. A device (1) for sharpening fishing hooks, wherein the device (1) A first grinding element (10) having a first grinding surface (11) having an abrasive layer (12), particularly in the form of a diamond coating, A second grinding element (20) having a second grinding surface (21) having an abrasive layer (22), particularly in the form of a diamond coating, The first grinding element (10) is provided with at least one fastening means (30a, 30b, 30c, 30d, 30e, 30f, 30g) which is designed and arranged to connect the second grinding element (20) in a particularly detachable manner, The first grinding element (10) and the second grinding element (20) are connected to each other such that, at the grinding position, the first grinding element (10) and the second grinding element (20) come into contact with each other. The first grinding surface (11) of the first grinding element (10) and the second grinding surface (21) of the second grinding element (20) are arranged facing each other at the grinding position such that a grinding region (5a) is formed between the first grinding surface (11) of the first grinding element (10) and the second grinding surface (21) of the second grinding element (20). Preferably, the apparatus (1) is such that the grinding area (5a) is formed with an essentially acute-angled cross-sectional shape.

2. The first grinding element (10) has a width (B1) and a height (H1), and the first grinding element (10) extends in a first plane (E1) along the width (B1) and the height (H1) of the first grinding element (10), The second grinding element (20) has a width (B2) and a height (H2), and the second grinding element (20) extends in a second plane (E2) along the width (B2) and the height (H2) of the second grinding element (20), The first plane (E1) and the second plane (E2) are arranged parallel to each other at the grinding position. The apparatus (1) according to claim 1.

3. The first grinding element (10) and the second grinding element (20) are designed to be essentially identical, and / or The first grinding element (10) and the second grinding element (20) are arranged and designed to be mirror-symmetric with respect to a mirror surface (E) on which the first grinding element (10) and the second grinding element (20) abut each other. The apparatus (1) according to claim 1 or 2.

4. The first grinding element (10) has a thickness (D1), and the thickness (D1) of the first grinding element (10) is several times smaller than the width (B1) of the first grinding element (10), and / or is several times smaller than the height (H1) of the first grinding element (10). The second grinding element (20) has a thickness (D2), and the thickness (D2) of the second grinding element (20) is several times smaller than the width (B2) of the second grinding element (20), and / or several times smaller than the height (H2) of the second grinding element (20). Apparatus (1) according to any one of claims 1 to 3.

5. The height (H1) of the first grinding element (10) is at least 5 cm, preferably at least 6 cm, particularly preferably at least 8 cm, and / or The height (H2) of the second grinding element (20) is at least 5 cm, preferably at least 6 cm, particularly preferably at least 8 cm, and / or The width (B1) of the first grinding element (10) is at least 4 cm, preferably at least 5 cm, particularly preferably at least 6 cm, and / or The width (B2) of the second grinding element (20) is at least 4 cm, preferably at least 5 cm, and particularly preferably at least 6 cm. Apparatus (1) according to any one of claims 1 to 4.

6. The at least one fastening means (30a, 30b, 30c, 30e, 30f, 30g, 30h) comprises a plurality of screws, preferably at least two screws, particularly preferably at least four screws, and particularly at least six screws. Preferably, at least one screw hole (19, 29) for accommodating the at least one fastening means (30a, 30b, 30c, 30d, 30e, 30f, 30g) is located in the first grinding element (10) and / or the second grinding element (20). Apparatus (1) according to any one of claims 1 to 5.

7. The first grinding element (10) has a third grinding surface (31) having an abrasive layer (32), particularly an abrasive layer (32) in the form of a diamond coating, The second grinding element (20) has a fourth grinding surface (41) having an abrasive layer (42), particularly an abrasive layer (42) in the form of a diamond coating, The third grinding surface (31) of the first grinding element (10) and the fourth grinding surface (41) of the second grinding element (20) are arranged facing each other at the grinding position such that a further grinding region (5b) is formed between the third grinding surface (31) of the first grinding element (10) and the fourth grinding surface (41) of the second grinding element (20). Preferably, the further grinding region (5b) is formed with an essentially acute-angled cross-sectional shape. Apparatus (1) according to any one of claims 1 to 6.

8. The first grinding surface (11) is formed integrally with the first grinding element (10), the second grinding surface (21) is formed integrally with the second grinding element (20), and / or The polishing layer of the first grinding surface (11) comprises two spaced-apart partial polishing layers, namely a first partial polishing layer of the first grinding surface and a second partial polishing layer of the first grinding surface, and / or a non-coated area disposed between the first partial polishing layer of the first grinding surface and the second partial polishing layer of the first grinding surface, and / or The polishing layer of the second grinding surface (21) comprises two spaced-apart partial polishing layers, namely, a first partial polishing layer of the second grinding surface and a second partial polishing layer of the second grinding surface, and a non-coated region positioned between the first partial polishing layer of the second grinding surface and the second partial polishing layer of the second grinding surface. Apparatus (1) according to any one of claims 1 to 7.

9. The first grinding element (10) preferably has a first recess (15) positioned between the first grinding surface (11) of the first grinding element (10) and the third grinding surface (31) of the first grinding element (10), and / or The second grinding element (20) preferably has a second recess (25) positioned between the second grinding surface (21) of the second grinding element (20) and the fourth grinding surface (41) of the second grinding element (20), Preferably, the first recess (15) and the second recess (25) are designed to be identical. Apparatus (1) according to any one of claims 1 to 8.

10. The first grinding element (10) has a first gripping region (16) and a second gripping region (17), and the first gripping region (16) and the second gripping region (17) are formed to curve inward in the direction of the center point (M1) of the first grinding element (10), particularly in the direction of the first recess of the first grinding element (10). The second grinding element (20) has a third gripping region (26) and a fourth gripping region (27), and the third gripping region (26) and the fourth gripping region (27) are each formed to curve inward in the direction of the center point (M2) of the second grinding element (20), particularly in the direction of the second recess of the second grinding element (20). Apparatus (1) according to any one of claims 1 to 9.

11. The first grinding element (10) and the second grinding element (20) can be positioned in a maintenance position where at least one fastening means is released and the first grinding element (10) and the second grinding element (20) are not connected to each other. Apparatus (1) according to any one of claims 1 to 10.

12. The first grinding element (10) has a first rod element (S1) having essentially a semicircular cross-section, the first grinding surface (11) is positioned on the first rod element (S1), and the first rod element (S1) is positioned to fit in shape within the housing area (Bx) of the first grinding element body (10a) of the first grinding element (10) at the grinding position, and / or The second grinding element (20) has a second rod element (S2) having essentially a semicircular cross-section, the second grinding surface (21) is positioned on the second rod element (S2), and the second rod element (S2) is positioned to fit in shape within the housing area (By) of the second grinding element body (20a) of the second grinding element (20) at the grinding position. Preferably, the clamping screws (30c, 30f) are designed and positioned to detachably clamp the first rod element (S1) and the second rod element (S2) to each other. Apparatus (1) according to any one of claims 1 to 11.

13. It is a fishing hook system, A fishing hook having a fishing hook tip (X) that has an essentially acute-angled cross-sectional shape, The apparatus comprises (1) according to any one of claims 1 to 12, A fishing hook system in which the grinding region (5a) formed between the first grinding surface (11) of the first grinding element (10) and the second grinding surface (21) of the second grinding element (20) has a cross-sectional shape that conforms to the cross-sectional shape of the tip (X) of the fishing hook, and / or a cross-sectional shape corresponding to the cross-sectional shape of the tip (X) of the fishing hook.

14. A method (100) for grinding a fishing hook, The steps (110) of preparing the fishing hook system according to claim 13, Step (120) involves placing the device (1) at the grinding position and grinding the fishing hook by moving the tip of the fishing hook along the grinding area (5a) of the device (1), A method (100) comprising the steps of: positioning the apparatus (1) in a maintenance position and cleaning the first grinding element (10) and the second grinding element (20), specifically the first grinding surface (11) and the second grinding surface (21) (130).

15. Use of the apparatus (1) according to any one of claims 1 to 12 for sharpening the tip (X) of a fishing hook, particularly by performing the method according to claim 14.

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