Numbering device with variable type wheel width
The numbering device addresses the lack of wheel width versatility in existing devices by enabling adjustable rear grippers and interchangeable type wheels, facilitating quick font width changes and reducing downtime.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2021-09-10
- Publication Date
- 2026-03-13
AI Technical Summary
Existing numbering devices lack versatility in changing the wheel width, necessitating multiple devices for different font widths, and replacement of type wheels is inconvenient, leading to prolonged downtime.
The rear gripper is configured to be displaceable and adjustable along the type wheel's axis, allowing it to fit any wheel width, and the type wheel is interchangeable, with the rear gripper being pivotally supported and adjustable to prevent unwanted rotation.
Enables quick and versatile font width adjustment without requiring multiple devices, reducing downtime by allowing easy replacement and adjustment of type wheels.
Smart Images

Figure 0007829562000001 
Figure 0007829562000002
Abstract
Description
Technical Field
[0001] The present invention relates to a numbering device as described in the superordinate concept of claim 1. According to this, it is a numbering device provided with a type wheel for applying a string to a security, wherein the type wheel is pivotally supported about a rotation axis, and a rear gripper is assigned to the type wheel, whereby unwanted rotation of the type wheel is prevented.
[0002] The present invention further relates to a rear gripper for a numbering machine as described in claim 26 and a numbering machine as described in claim 27.
Background Art
[0003] Numbering devices are known from, inter alia, European Patent Application Publication No. 0718112, German Utility Model No. 29501349, German Patent Application Publication No. 4446273, German Patent Application Publication No. 102006052183 and German Patent Application Publication No. 102011100847.
[0004] Such numbering devices are used, in particular, for applying security features, in particular printing, to securities. In the context of the present specification, the numbering device may also be referred to as a numbering printing device or a printing device.
[0005] In particular, known numbering devices are used for applying serial numbers to securities, in particular banknotes.
[0006] In a typical unit, a single numbering device is mounted on the retaining ring of the numbering machine (printing press) in a reversible manner, meaning it is fixed but can be released again as needed. In this case, the numbering device is mounted on the outer surface of the retaining ring, and the type wheel of the device is located on the opposite side of the retaining ring. The retaining ring is generally located on the numbering shaft of the numbering machine in this case. Furthermore, in this case, multiple numbering devices are mounted on the outer surface of the retaining ring.
[0007] In this case, the sheets to be printed (particularly the sheets containing banknotes to be numbered) are supplied to a numbering machine. In the numbering machine, a retaining ring, along with a numbering device fixed to the outer surface of the ring, rolls over the sheets to be printed, and each security is assigned a security feature, particularly a serial number, by an individual numbering device. In this case, the characters applied to the security correspond to the characters set by one of the adjacent type wheels positioned side by side above the numbering device at that time.
[0008] In this case, generally, multiple retaining rings are provided for each numbering shaft, and multiple numbering devices are provided for each retaining ring, specifically distributed around the retaining ring. This is publicly known in itself and is not the subject of the present invention.
[0009] The numbering device can be divided into two parts, an upper part and a lower part. In this case, the lower part can be firmly, but removably, fixed to the retaining ring, particularly via a clamp.
[0010] In this case, the lower part of the numbering device can be left on the retaining ring, and only the upper part can be removed and replaced if necessary. This ensures that the position of the numbering device on the retaining ring remains constant, and it is not necessary to release the clamp between the numbering device and the retaining ring.
[0011] In contrast, removing the lower portion from the retaining ring for the purpose of replacing the numbering device is inconvenient and should be avoided. This is because the positioning of the lower portion on the retaining ring must be performed with the minimum possible tolerance. In that case, replacing the entire numbering device would take an unacceptably long time.
[0012] Furthermore, both vertical and horizontal numbering devices exist. Vertical numbering devices apply a string of characters to the ticket that extends circumferentially around the retaining ring. Horizontal numbering devices apply a string of characters to the ticket that extends perpendicularly to the circumferential direction of the retaining ring.
[0013] The numbering device or the upper part of the numbering device generally comprises a type wheel and the entire numbering mechanism, which is known in itself. These parts should generally be configured to be quickly detachable from the retaining ring so as not to cause prolonged downtime of the numbering machine when the numbering mechanism needs to be replaced, for example, in the event of a malfunction, wear, or change of print job.
[0014] Generally, numbering devices also have a mechanism that advances the set serial number by one unit at a time to the desired number position after each printing step, or each time the device, including the retaining ring, rotates, so that the next security can be printed with any or subsequent serial numbers. For this purpose, the corresponding type wheel of the numbering device is generally rotated only one position to the next. This is publicly known and is not the subject of this invention.
[0015] To avoid unwanted positional changes of the type wheel during the setup or printing process, so-called rear grippers are known. The rear gripper is pivotably supported relative to the type wheel, with each end engaging with a suitable recess in the type wheel, thereby preventing the type wheel from rotating.
[0016] Such a rear gripper generally completely prevents the type wheel from rotating back (to a lower value) based on the formation of a shape connection. For the desired further rotation of the type wheel by the aforementioned mechanism, a certain degree of holding force must be overcome. When this is reached, the end of the rear gripper closer to the type wheel pivots upward, freeing the type wheel from further rotation.
[0017] Upon reaching the next position, the rear gripper engages with the next appropriate recess of the type wheel, thus stabilizing the wheel's current position again. The presence of such a rear gripper in a numbering device is generally considered essential for obtaining acceptable printing results.
[0018] Furthermore, it is known that existing numbering devices allow for the replacement or exchange of type wheels depending on the required set of digits or characters (font). However, until now, type wheels have only been interchangeable with wheels of the same width. This is because, in known numbering devices, the position of the rear gripper, located between adjacent type wheels, is set by a slot in the housing, a separate spring web, etc., into which the rear gripper is inserted or travels.
[0019] Therefore, according to conventional technology, even if the type wheel is replaced, it is impossible to change the wheel width and thus the font width. Consequently, there is no versatility in this regard, and a large number of different numbering devices must be procured. [Prior art documents] [Patent Documents]
[0020] [Patent Document 1] European Patent Application Publication No. 0718112 [Patent Document 2] German Utility Model No. 29501349 Specification [Patent Document 3] German Patent Application Publication No. 4446273 [Patent Document 4] German Patent Application Publication No. 102006052183 [Patent Document 5] German Patent Application Publication No. 102011100847 [Summary of the Invention] [Problems to be Solved by the Invention]
[0021] The problem underlying the present invention is to overcome the drawbacks known in the prior art. Furthermore, the underlying problem is to provide a numbering device having a variable wheel width. [Means for Solving the Problems]
[0022] This problem is solved for the numbering device by the configuration described in the characterizing part of claim 1. According to this, in the numbering device according to the present invention, the rear gripper is displaceable along the axis of rotation of the type wheel.
[0023] The rear gripper according to the present invention for such a numbering device is described by the features of claim 26.
[0024] The numbering machine according to the present invention comprising such a numbering machine is described by the features of claim 27.
[0025] Advantageous forms and developments of the present invention are the subject of the respective dependent claims.
[0026] The idea underlying the present invention is to configure the rear gripper to be displaceable and adjustable along the type wheel set, that is, along the axis of rotation of the type wheel.
[0027] In this case, the displacement along the axis of rotation of the type wheel relates in particular to displacement in a direction oriented parallel to the axis of rotation of the type wheel.
[0028] Therefore, the rear gripper can be adjusted to any wheel width by being displaced along the rotation axis of the type wheel until the rear gripper engages with a recess provided for that purpose in the type wheel.
[0029] Therefore, the rear gripper of the device can be adjusted to fit any type of wheelset, that is, to fit any type of wheel of any width.
[0030] Such a rear gripper is the subject of the present invention.
[0031] Another subject is a numbering device equipped with such an adjustable rear gripper.
[0032] In this case, the aforementioned numbering device preferably has a replaceable type wheel.
[0033] A further application of the present invention is a numbering machine equipped with the numbering mechanism described above.
[0034] The following describes the aspects of the present invention, and for this purpose, non-limiting advantageous forms and variations of the present invention will be partially referenced. In this regard, the features of the advantageous variations can be realized individually or in any combination, thereby providing another advantageous form of the present invention.
[0035] Preferably, the string can be printed on the security by the type wheel of the numbering device, i.e., the application of the string preferably includes printing the string.
[0036] A preferred embodiment of the present invention relates to a numbering device in which the type wheel is interchangeable.
[0037] Preferably, multiple type wheels are arranged in a row along the rotation axis in the numbering device to form a type wheel set.
[0038] The numbering device preferably has a numbering mechanism.
[0039] In this case, the numbering mechanism is preferably configured such that the string set on the type wheel is advanced by one unit each time the printing process is completed at a desired position in the string.
[0040] In the numbering mechanism, the rear gripper may be positioned between two adjacent type wheels.
[0041] Preferably, the rear gripper may extend outward from the type wheelset in a substantially tangential direction, starting from the intermediate space between two adjacent type wheels.
[0042] In particularly advantageous developments, the rear gripper is pivotally supported so as to be able to tilt relative to the type wheel.
[0043] Particularly preferable, the rear gripper is configured such that its end engages with a recess in the type wheel or between adjacent type holes, thereby preventing unwanted rotation of the type wheel.
[0044] In a preferred configuration, the rear gripper may be configured to prevent the type wheel from rotating back to the letter preceding it by forming a shape connection.
[0045] More preferably, the rear gripper may be configured to exert a holding force on the type wheel, and this holding force may be overcome by the numbering mechanism for further rotation of the desired type wheel.
[0046] In this case, the rear gripper may, in a more preferable form, be configured such that, once the holding force is overcome, the end of the rear gripper closer to the type wheel pivots upward away from the type wheel, thereby freeing the type wheel from further rotation.
[0047] It has been found to be even more advantageous if the existing rear grippers are removable from the numbering device, and / or if additional rear grippers can be added to the numbering device. For example, if a type wheelset is replaced with a wheel twice the width, only half of the type wheel can be mounted on the device, and vice versa, even if the housing of the numbering device remains unchanged. Thus, it is advantageous that the extra rear grippers can be removed, and additional rear grippers can be added as needed.
[0048] Particularly preferable, the rear gripper can be adjusted to any type wheel width by displacing it along the rotation axis of the type wheel.
[0049] In a particularly advantageous configuration, the rear gripper is pivotally supported on an axis extending parallel to the rotation axis of the type wheel.
[0050] Such an axis can preferably also provide a tilting axis relative to the rear gripper.
[0051] The rear gripper may, advantageously, be configured such that the end opposite to the type wheel is biased by a spring force that presses the end of the rear gripper facing the type wheel against the type wheel.
[0052] In a preferred development, a compression spring is positioned between the rear gripper, on the side opposite the type wheel, and the numbering device.
[0053] Such compression springs may preferably be implemented as spring pins.
[0054] The end of the rear gripper opposite the type wheel may be supported by the fork. This allows for lateral stability of the rear gripper, as the invention eliminates the rigid guide of the rear gripper by a housing or spring web, as in the prior art.
[0055] Such forks may preferably be formed or positioned at the end of a spring pin.
[0056] In another preferred embodiment, the spring pin, together with the rear gripper, is displaceable along the pivot axis of the type wheel. Thus, both the rear gripper and the mechanism that applies pressure to the rear gripper can be displaced and adjusted together.
[0057] In this case, preferably, the end of the spring pin facing the numbering mechanism is displaceably supported in a groove or groove path. In particular, the end of the spring pin is displaceable along the rotation axis of the type wheel.
[0058] In this case, it is found to be even more advantageous when two grooves are provided, located vertically, and when adjacent spring pins are supported by different grooves.
[0059] The numbering device can preferably be removed from the lower part or bottom by releasing a separate clamp connection. On the other hand, the numbering device can preferably be fixed by forming a clamp connection at the bottom, particularly by positioning the bottom on the holding ring of the numbering machine.
[0060] The aforementioned lower portion is preferably reversibly positioned on the retaining ring of the numbering machine, and in particular, is clampable, and can be left on the retaining ring when the numbering mechanism is replaced.
[0061] Preferably, the lower part comprises a clamp lever having clamp hooks located on opposite sides, and the lower part can be secured to a retaining ring by tightening the clamp hooks against each other. In this case, preferably, a screw extends through the clamp hooks to the lower part.
[0062] Preferably, the numbering device has at least one, preferably two, and more preferably two tightening levers located on opposite sides of each other, the tightening levers extending from the numbering device to a suitable recessed portion such as an undercut or groove at the bottom, thereby allowing the numbering device to be attached to the bottom, fixed, or tightened.
[0063] Alternatively or additionally, the lower section may have at least one, preferably two, and more preferably two, tightening levers located on opposite sides of each other, the tightening levers each extending from the lower section to a suitable recess, such as an undercut, in the numbering device, so that the numbering device can be attached to the lower section.
[0064] Preferably, at least one spring is positioned between the tightening lever and the numbering mechanism, the spring biasing the tightening lever, thereby preventing the numbering mechanism from being released from below when the tightening lever is engaged.
[0065] drawing The following describes further embodiments of the present invention, illustrated in the scope of Figures 1 and 2, supplementing or adding to the advantageous forms, developments, and embodiments of the idea already described. However, the examples discussed based on the drawings do not limit the present invention to the illustrated examples. In the description of the embodiments based on the drawings, generally preferred forms and developments of the idea are also indicated.
[0066] In this case, an advanced form of the aforementioned advantageous embodiment having the features of the later-described embodiment forms a distinctly different advantageous form of the present invention, just like the advanced form of the later-described embodiment having the features of the aforementioned embodiment, and is therefore part of this disclosure. [Brief explanation of the drawing]
[0067] [Figure 1] A preferred embodiment of the numbering device according to the present invention is shown in a perspective view. [Figure 2]A preferred embodiment of the rear gripper according to the present invention is shown in a comparison with a conventional rear gripper in another perspective view. [Modes for carrying out the invention]
[0068] Figure 1 is a perspective view showing a preferred embodiment of the numbering device 10 according to the present invention.
[0069] Alternatively, the illustrated numbering device 10 may be referred to as the upper part of the numbering device 10 without departing from the spirit of the present invention.
[0070] The illustrated numbering device 10 further requires a lower portion or lower section for preferably reversibly fixing onto a retaining ring (not shown) of a numbering machine (not shown). Such a lower portion or lower section is not shown here.
[0071] In the numbering device 10, two clamping levers 12 are tiltably arranged and diagonally opposite each other. The clamping levers 12 extend substantially vertically and have an operating portion 121 for the user on the upper side and a hook portion 122 for engaging with the lower part on the lower side.
[0072] At least one spring 14 acts between the numbering device 10 and the tightening lever 12, and the spring 114 biases the tightening lever 12 in an appropriate manner.
[0073] By operating the tightening lever 12 against the force of the spring 14, the user can rotate the tightening lever 12 away from the bottom, thereby allowing the numbering device 10 to be removed from the bottom very quickly. Conversely, the numbering device 10 can be brought closer to the bottom and positioned or locked in place there.
[0074] By eliminating the operating force on the tightening lever 12, the tightening lever 12 pivots downward, thereby fixing and / or clamping the numbering device 10 to the lower part. Such formation of the connection between the numbering device 10 and the lower part can also be performed in a few seconds.
[0075] The type wheel 16 of the numbering device 10 is positioned here to print a string of characters on a security (not shown) that extends perpendicularly to the circumferential direction of a retaining ring (not shown). Thus, here it is a horizontal numbering device 10.
[0076] The illustrated numbering device 10 comprises a type wheel 16 and an entire numbering mechanism 18 that is known in itself.
[0077] A so-called rear gripper 20 is provided to avoid unwanted positional changes of the type wheel 16 during the setting process and / or the printing process itself. The rear gripper 20 is pivotably supported relative to each type wheel 16, and each end, i.e., the end 201 near the type wheel, engages with a suitable recess on the type wheel 16 or between the type wheels 16, thereby preventing the rotation of the type wheel 16.
[0078] In this case, the rear gripper 20 extends outward from the type wheelset 161 in a substantially tangential direction, starting from the intermediate space between two adjacent type wheels 16.
[0079] In the illustrated numbering device 10, the type wheel 16 is replaceable, allowing the character typeset to be changed. Furthermore, the wheel width, i.e., the width of the type wheel 16, and consequently the font width or font size can also be changed.
[0080] To this end, the rear gripper 20 is configured to be displaceable and adjustable along the type wheel 16, that is, along the pivot axis 162 of the type wheel 16.
[0081] To this end, the rear gripper 20 is displaceably supported on a shaft 22 that extends parallel to the rotation axis 162 of the type wheel 16. This shaft 22 also sets the tilt axis relative to the rear gripper 20.
[0082] Each rear gripper 20 is further subjected to a spring force at the end 202 opposite to the type wheel 16, that is, the end furthest from the type wheel. This spring force causes the end 201 of the rear gripper 20 facing the type wheel 16 to press against the type wheel 16.
[0083] To this end, a compression spring 24 is positioned between the end 202 of the rear gripper 20, opposite to the type wheel 16, and the inside of the numbering device 10. This compression spring 24 is implemented here as a spring pin 26.
[0084] The end of the spring pin 26 facing the numbering device 10 is supported in a groove or groove 28, and the corresponding end of the spring pin 26 is displaceable along the pivot axis 162 of the type wheel 16, and in particular parallel to the pivot axis 162.
[0085] The end 202 of the rear gripper 20, opposite to the type wheel 16, is supported by the fork 30.
[0086] Here, grooves 28 located above and below are realized, which provides more space for adjacent spring pins 26 that are arranged alternately.
[0087] As a result, both the rear gripper 20 and the mechanism described herein, which has a spring pin 26 for applying pressure to the rear gripper 20, can be displaced and adjusted together.
[0088] Figure 2 is a perspective view comparing the rear gripper 20 according to the present invention with a conventional rear gripper. Here, the end 202 of the rear gripper 20 on the side opposite to the type wheel is supported by a fork 30 formed at the end of the spring pin 26. This makes it possible to improve the lateral stability of the rear gripper 20, even though the rear gripper 20 can be displaced laterally according to the present invention. This application relates to the invention described in the claims, but also includes the following other embodiments. 1. A numbering device (10), A system comprising multiple type wheels (16) for applying strings to securities, In a numbering device (10), the type wheel (16) is pivotally supported around a pivot axis (162), and a rear gripper (20) is assigned to the type wheel (16), thereby preventing unwanted rotation of the type hole (16). A numbering device (10) characterized in that the rear gripper (16) is displaceable along the rotation axis (162) of the type wheel (16). 2. The numbering device (10) described in item 1, characterized in that a string of characters can be printed on securities by type wheel (16). 3. The numbering device (10) according to 1 or 2 above, characterized in that the type wheel (16) is replaceable. 4. A numbering device (10) characterized in that the type wheels (16) are arranged in a row along the rotation axis (162) to form a type wheel set (161), one of the above 1 to 3. 5. A numbering device (10) which is characterized by being provided with a numbering mechanism (18), one of the above 1 to 4. 6. The numbering device (10) of item 5 is characterized in that the numbering mechanism (18) is configured such that the string set on the type wheel (16) is advanced by one unit each time the printing process is completed at a desired position in the string. 7. A numbering device (10) according to any one of the above 1 to 6, characterized in that the rear gripper (20) is positioned between two adjacent type wheels (16). 8. The rear gripper (20) is characterized in that it extends outward from the type wheel set (161) in a substantially tangential direction, starting from the intermediate space between two adjacent type wheels (16), and is one of the numbering devices (10) described in 1 to 7 above. 9. A numbering device (10) characterized in that the rear gripper (20) is pivotally supported with respect to the type wheel (16), one of the above 1 to 8. 10. A numbering device (10) according to any one of the above 1 to 9, characterized in that the rear gripper (20) is configured such that one end (201) engages with a recess in the type wheel (16) or between adjacent type holes (16), thereby preventing unwanted rotation of the type wheel (16). 11. A numbering device (10) which is one of the above 1 to 10, characterized in that the rear gripper (20) prevents the type wheel (16) from rotating back to the previous character by forming a shape connection portion. 12. A numbering device (10) described in any of the above 1 to 11, characterized in that a rear gripper (20) exerts a holding force on a type wheel (16), and this holding force can be overcome by a numbering mechanism (18) for further rotation of the desired type wheel (16). 13. The numbering device (10) described in 12 above is characterized in that, when the holding force is overcome, the rear gripper (20) is configured to pivot the end (201) of the rear gripper (20) that is closer to the type wheel so as to move upward away from the type wheel (16) with respect to the type wheel (16), thereby freeing the type wheel (16) from further rotation. 14. A numbering device (10) any one of the above 1 to 13, characterized in that an already provided rear gripper (20) is detachable from the numbering device (10), and / or another rear gripper (20) can be added. 15. A numbering device (10) which is one of the above 1 to 14, characterized in that the rear gripper (20) can be adjusted to any type wheel width by displacing it along the rotation axis (162) of the type wheel (16). 16. A numbering device (10) which is one of the above 1 to 15, characterized in that the rear gripper (20) is displaceably supported on an axis (22) that extends parallel to the rotation axis (162) of the type wheel (16). 17. The numbering device (10) of the 16, characterized in that the shaft (22) simultaneously provides a tilting axis relative to the rear gripper (20). 18. The rear gripper (20) is characterized in that a spring force is applied to the end (202) on the side opposite to the type wheel (16), pressing the end (201) of the rear gripper (20) facing the type wheel (16) against the type wheel (16), wherein the numbering device (10) is one of the above 1 to 17. 19. A numbering device (10) which is one of the above 1 to 18, characterized in that a compression spring (24) is positioned between the end (202) of the rear gripper (20) opposite to the type wheel (16) and the numbering device (10). 20. The numbering device (10) of the above 19, characterized in that the compression spring (24) is realized in a spring pin (26). 21. A numbering device (10) which is one of the above 1 to 20, characterized in that the end (202) of the rear gripper (20) opposite to the type wheel (16) is supported by a fork (30). 22. The numbering device (10) according to 21, characterized in that the fork (30) is formed or arranged at the end of the spring pin (26). 23. The numbering device (10) according to 20 or 22, characterized in that the spring pin (26) is displaceable along the rotation axis (162) of the type wheel (16) together with the rear gripper (20). 24. The numbering device (10) according to 23, characterized in that the end of the spring pin (26) facing the numbering device (10) is displaceably supported in a groove or groove (28). 25. The numbering device (10) described in 24 above is characterized in that two grooves (28) are provided located above and below each other, and adjacent spring pins (26) are supported by different grooves (28). 26. A rear gripper (20) for one of the numbering devices (10) listed above from 1 to 25. 27. A numbering machine equipped with one of the numbering devices (10) listed above from 1 to 25. [Explanation of symbols]
[0089] 10 Numbering device 12. Tightening lever 121 Operating part (tightening lever) 122 Hook part (tightening lever) 14 springs 16-inch wheels 161 Type Wheel Set 162 Rotating axis (type wheel) 18. Numbering mechanism 20 Rear gripper 201 The end of the rear gripper that is closer to the type wheel / facing the type wheel. 202 Rear gripper, the end furthest from the type wheel / the end moving away from the type wheel 22 Axles (Rear Gripper) 24 Compression spring 26 Spring pins 28 Mizoji 30 forks
Claims
1. A numbering device (10), The system includes multiple type wheels (16) for applying strings to securities, In a numbering device (10), the type wheels (16) are pivotably supported about a pivot axis (162), the type wheels (16) are arranged in a row along the pivot axis (162) to form a type wheel set (161), a rear gripper (20) is assigned to the type wheel (16), the rear gripper (20) is pivotably supported relative to the type wheel (16), and one end (201) of the rear gripper (20) engages with a recess in the type wheel (16) or between adjacent type holes (16), thereby preventing unwanted rotation of the type wheel (16), The rear gripper (20) is displaceable along the rotation axis (162) of the type wheel (16), thereby allowing the rear gripper (20) to be displaceable along the rotation axis (162) until its end (201) engages with a recess or between adjacent type holes (16), thus enabling the rear gripper (20) to be adjusted to any type wheel width, in the numbering device (10).
2. The numbering device (10) according to claim 1, characterized in that a string of characters can be printed on securities by a type wheel (16), and / or the type wheel (16) is replaceable.
3. The numbering device (10) according to claim 1 or 2, wherein a numbering mechanism (18) is provided, and in particular the numbering mechanism (18) is configured such that the string set on the type wheel (16) is advanced by one unit each time the printing process is completed at a desired position of the string.
4. The numbering device (10) according to any one of claims 1 to 3, wherein the rear gripper (20) is positioned between two adjacent type wheels (16), and in particular the rear gripper (20) extends outward from the type wheel set (161) in a substantially tangential direction, starting from the intermediate space between the two adjacent type wheels (16).
5. The numbering device (10) according to any one of claims 1 to 4, characterized in that the rear gripper (20) prevents the type wheel (16) from rotating back to the previous character by forming a shape connection portion.
6. The rear gripper (20) exerts a holding force on the type wheel (16), and this holding force can be overcome by the numbering mechanism (18) described in claim 3 for further rotation of the type wheel (16) as desired, and in particular the rear gripper (20) is configured such that when the holding force is overcome, the end (201) of the rear gripper (20) closer to the type wheel is swung upward away from the type wheel (16) with respect to the type wheel (16), thereby freeing the type wheel (16) to rotate further, as described in any one of claims 1 to 5.
7. The numbering device (10) according to any one of claims 1 to 6, characterized in that an already provided rear gripper (20) is removable from the numbering device (10), and / or another rear gripper (20) can be added, and / or the rear gripper (20) is displaceably supported on an axis (22) that extends parallel to the rotation axis (162) of the type wheel (16).
8. The numbering device (10) according to claim 7, characterized in that the shaft (22) simultaneously provides a tilting axis relative to the rear gripper (20).
9. The numbering device (10) according to any one of claims 1 to 8, characterized in that the rear gripper (20) has a spring force applied to the end (202) on the side opposite to the type wheel (16) that presses the end (201) of the rear gripper (20) facing the type wheel (16) against the type wheel (16).
10. A numbering device (10) according to any one of claims 1 to 9, characterized in that a compression spring (24) is positioned between the end (202) of the rear gripper (20) opposite to the type wheel (16) and the numbering device (10), and in particular the compression spring (24) is realized by a spring pin (26).
11. The numbering device (10) according to any one of claims 1 to 10, characterized in that the end (202) of the rear gripper (20) opposite to the type wheel (16) is supported by a fork (30), and in particular the fork (30) is formed or positioned at the end of a spring pin (26).
12. The numbering device (10) according to claim 10 or 11, characterized in that the spring pin (26) is displaceable together with the rear gripper (20) along the rotation axis (162) of the type wheel (16).
13. The numbering device (10) according to claim 12, characterized in that the end of the spring pin (26) facing the numbering device (10) is supported so as to be displaceable along the rotation axis (162) of the type wheel (16), and in particular, two grooves (28) located vertically are realized, and adjacent spring pins (26) are supported by different grooves (28).
14. A rear gripper (20) for a numbering device (10) according to any one of claims 1 to 13.
15. A numbering machine comprising a numbering device (10) according to any one of claims 1 to 13.
Citation Information
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