printer

Abstract

The present invention belongs to the field of printing technology and discloses a printer, which includes a frame, a ribbon conveying device for winding and conveying a ribbon, a printing device for driving the ribbon to move so as to print on a printing medium, and a driving component. The driving component includes a driving motor and a driving disk arranged on the output shaft of the driving motor. The output shaft of the driving motor extends along a first direction, the rotation center of the driving disk coincides with the axis of the output shaft, and the driving disk is provided with a protrusion along the first direction. The driving motor can drive the driving disk to rotate relative to the frame so that the driving disk has a working position and a non-working position. When the driving disk is in the working position, the protrusion is used to drive the printing device to move, so as to drive the ribbon to move, thereby completing printing. At the same time, the driving disk and the output shaft of the driving motor are subjected to a reaction force along the first direction to avoid radial force. When the driving disk is in the non-working position, the printing device remains stationary relative to the frame.

Description

Technical Field

[0001] The present invention relates to the field of printing technology, in particular to a printer. Background Art

[0002] Continuous industrial printers are usually equipped with a ribbon, and the ribbon reel and ribbon unreel are equipped with motors. The motor drives the ribbon to move along a preset path, and the print head is pressed down by the print head drive component to make the print head contact with the ribbon. The print head prints on the printing medium in contact with the ribbon.

[0003] In traditional printers, the print head driver is typically a drive motor, which pushes the print head downward via a cam or other mechanism. The direction of print head movement is perpendicular to the motor's axis. Furthermore, to ensure the print head can return to its original position after being pressed down, an elastic member is often provided to help reset the print head. However, this issue arises because the print head's movement is perpendicular to the motor's axis, causing the motor's output shaft to experience radial reaction force from the print head. This can easily cause the motor's output shaft to bend or even break. Summary of the Invention

[0004] According to one aspect of the present invention, a printer is provided to solve the problem in the prior art that the output shaft of the drive motor of the printer is susceptible to damage due to the reaction force of the print head along its radial direction.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] Printers, including:

[0007] frame;

[0008] A ribbon conveying device is provided on the frame and is used for winding and conveying the ribbon;

[0009] a printing device, movably disposed on the frame and capable of driving the ribbon to move so as to print on a print medium;

[0010] The drive assembly includes a drive motor and a drive disk arranged on the output shaft of the drive motor, the output shaft of the drive motor extends along a first direction, the rotation center of the drive disk coincides with the axis of the output shaft, and the drive disk is provided with a protrusion along the first direction. The drive motor can drive the drive disk to rotate relative to the frame so that the drive disk has a working position and a non-working position. When the drive disk is in the working position, the protrusion is used to drive the printing device to move, thereby driving the ribbon to move; when the drive disk is in the non-working position, the printing device remains stationary relative to the frame.

[0011] As a preferred solution for the printer, the driving assembly also includes a transmission block slidably arranged on the frame along a first direction. When the driving disk is in a working position, the protrusion is used to drive the transmission block to move, thereby driving the printing device to move; when the driving disk is in a non-working position, the transmission block is separated from the protrusion.

[0012] As a preferred solution of the printer, the driving assembly further includes a transmission block elastic member, which is arranged between the frame and the transmission block and is used to provide an elastic force to move the transmission block toward the driving disk.

[0013] As a preferred solution of the printer, the frame includes a frame body and a fixing member fixed to the frame body, the fixing member has a transmission block slot extending along a first direction, and the transmission block is slidably arranged in the transmission block slot.

[0014] As a preferred solution of the printer, the slide groove is in an I-shape.

[0015] As a preferred solution of the printer, the printing device is slidably arranged on the frame along a second direction, and the second direction forms an angle with the first direction.

[0016] As a preferred solution for the printer, the transmission block has a transmission bevel. When the drive disc is located at the working position, the protrusion is used to drive the transmission block to move, so that the transmission bevel drives the printing device to move along the second direction.

[0017] As a preferred solution of the printer, the printing device includes an abutment block and a print head, the print head is slidably arranged on the frame, the abutment block is rotatably arranged on the print head, and the abutment block is in rolling contact with the transmission inclined surface.

[0018] As a preferred solution of the printer, it further comprises a printing device elastic member, which is arranged between the frame and the printing device and is used to provide an elastic force to make the printing device abut against the transmission inclined surface.

[0019] As a preferred solution for the printer, the ribbon conveying device includes a ribbon unwinding shaft for unwinding the ribbon, a ribbon winding shaft for winding the ribbon, and a winding shaft motor arranged on the ribbon winding shaft, and the winding shaft motor is used to drive the ribbon to move.

[0020] The beneficial effects of the present invention are:

[0021] The present invention provides a printer, comprising a frame, a ribbon conveying device for winding and conveying a ribbon, a printing device for driving the ribbon to print on a print medium, and a drive assembly. The drive assembly comprises a drive motor, a drive disk disposed on an output shaft of the drive motor, the output shaft of the drive motor extending in a first direction, the rotation center of the drive disk coinciding with the axis of the output shaft, and a protrusion protruding from the drive disk in the first direction. The drive motor is capable of driving the drive disk to rotate relative to the frame, such that the drive disk has an operating position and a non-operating position. When the drive disk is in the operating position, the protrusion is used to drive the printing device to move the ribbon, thereby completing printing. Furthermore, because the protrusion is protruding from the drive disk in the first direction, after driving the printing device to move, the reaction force applied to the drive disk and the output shaft of the drive motor is also in the first direction, i.e., in the axial direction of the output shaft of the drive motor, while the output shaft is not subjected to force in the radial direction, thereby preventing the output shaft of the drive motor from bending due to force. When the drive disk is in the non-operating position, the drive assembly does not provide driving force to the printing device, and the printing device remains stationary relative to the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural diagram of a printer according to an embodiment of the present invention;

[0023] Figure 2 is a front view schematic diagram of a printer in an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the structure of a printer in an embodiment of the present invention. Figure 1 ;

[0025] Figure 4 This is a schematic diagram of the structure of a printer in an embodiment of the present invention. Figure 2 ;

[0026] Figure 5 is a schematic structural diagram of a drive assembly in an embodiment of the present invention;

[0027] Figure 6 is a schematic side view of a drive assembly in an embodiment of the present invention;

[0028] Figure 7 is a structural schematic diagram of a fixing member in an embodiment of the present invention;

[0029] Figure 8 yes Figure 7 Cross-sectional view of section EE.

[0030] In the picture:

[0031] 100, ribbon;

[0032] 1. Frame; 11. Frame body; 12. Fixing member; 121. Transmission block slide; 122. Printing device slide;

[0033] 2. Ribbon conveying equipment; 21. Ribbon unwinding shaft; 211. Unwinding roller; 22. Ribbon rewinding shaft; 222. Rewinding roller; 23. Rewinding shaft motor;

[0034] 3. Printing device; 31. Abutment block; 32. Print head; 33. Slide rod;

[0035] 4. Drive assembly; 41. Drive motor; 411. Output shaft; 42. Drive disc; 421. Bump; 43. Transmission block; 431. Transmission ramp; 432. Transmission screw; 44. Transmission block elastic member;

[0036] 5. Connecting rod;

[0037] 6. Movable frame; 61. First roller; 62. Second roller; 63. Frame body. DETAILED DESCRIPTION

[0038] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It will be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all structures.

[0039] In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific circumstances.

[0040] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0041] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are used to refer to positions or locations based on those shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0042] In traditional printers, a drive motor pushes the print head downward via a cam or other structure, printing on the print medium in contact with the ribbon. The print head's motion is perpendicular to the drive motor's axis. Furthermore, to ensure the print head can return to its original position after being pressed down, an elastic member is typically provided to reposition the print head. However, this issue arises because the print head's motion is perpendicular to the drive motor's axis, causing the drive motor's output shaft to experience radial reaction force from the print head. This can easily cause the motor's output shaft to bend or even break.

[0043] Reference Figures 1-8 The printer includes a frame 1, a ribbon conveying device 2, a printing device 3 and a driving component 4. The ribbon conveying device 2 is arranged on the frame 1 and is used to wind and convey the ribbon 100; the printing device 3 is movably arranged on the frame 1 and can drive the ribbon 100 to move to print on the printing medium. The drive assembly 4 includes a drive motor 41 and a drive disk 42 arranged on the output shaft 411 of the drive motor 41. The output shaft 411 of the drive motor 41 extends along a first direction, and the rotation center of the drive disk 42 coincides with the axis of the output shaft 411. The drive disk 42 is provided with a protrusion 421 along the first direction. The drive motor 41 can drive the drive disk 42 to rotate relative to the frame 1 so that the drive disk 42 has a working position and a non-working position. When the drive disk 42 is in the working position, the protrusion 421 is used to drive the printing device 3 to move, thereby driving the ribbon 100 to move, thereby completing printing. At the same time, since the protrusion 421 is protruded from the drive disk 42 along the first direction, after driving the printing device 3 to move, the reaction force applied to the drive disk 42 and the output shaft 411 of the drive motor 41 is also along the first direction, that is, the axial direction of the output shaft 411 of the drive motor 41, and the radial direction of the output shaft 411 will not be subjected to force, thereby preventing the output shaft 411 of the drive motor 41 from being bent by force. When the driving disk 42 is located in the non-working position, the driving assembly 4 does not provide driving force to the printing device 3 , and the printing device 3 remains stationary relative to the frame 1 .

[0044] Continue to refer to Figures 1-8It is understood that if the drive disk 42 is directly connected to the printing device 3, it can generally only drive the printing device 3 in the first direction. In this embodiment, the drive disk 42 is connected to the printing device 3 via an intermediate structure to drive the printing device 3. Specifically, the drive assembly 4 also includes a transmission block 43 that is slidably mounted on the frame 1 in the first direction. When the drive disk 42 is in the operating position, a protrusion 421 is used to drive the transmission block 43 to move, thereby driving the printing device 3. When the drive disk 42 is in the non-operating position, the transmission block 43 is separated from the protrusion 421. This arrangement allows the movement direction of the printing device 3 to be changed. Furthermore, the transmission block 43 prevents the drive disk 42 from being directly subjected to force. Regardless of the direction of movement of the printing device 3, the drive disk 42 is only subjected to thrust in the first direction. In this embodiment, the transmission block 43 includes a transmission block body and a transmission screw 432 mounted therein. The drive disk 42 drives the transmission screw 432 to move, thereby driving the entire transmission block 43.

[0045] Optionally, the printing device 3 is slidably arranged on the frame 1 along the second direction, and the second direction is at an angle to the first direction. In this embodiment, the first direction is perpendicular to the second direction, the first direction is parallel to the horizontal plane, and the second direction is the vertical direction. Figures 1-8 The AB direction in the second direction is Figures 1-8 The printing device 3 includes an abutment block 31 and a print head 32. The printing device 3 is slidably mounted on the frame 1. This allows the print head 32 to maintain a constant angle with the ribbon 100 during printing, thereby avoiding poor printing results due to changes in the print head 32 angle.

[0046] Optionally, the transmission block 43 has a transmission ramp 431. When the drive disk 42 is in the working position, the protrusion 421 is used to drive the transmission block 43 to move, so that the transmission ramp 431 drives the printing device 3 to move in the second direction. This arrangement can convert the movement of the transmission block 43 in the first direction into movement of the printing device 3 in the second direction through the transmission ramp 431.

[0047] Continue to refer to Figures 1-8 The drive assembly 4 also includes a transmission block elastic member 44, which is arranged between the frame 1 and the transmission block 43 and is used to provide an elastic force for the transmission block 43 to move toward the driving disk 42, so that the transmission block 43 can be tightly pressed against the driving disk 42 or the protrusion 421. When the driving disk 42 is in the non-working position, the transmission block 43 can be reset by the transmission block elastic member 44.

[0048] Continue to refer to Figures 1-8The frame 1 includes a frame body 11 and a fixing member 12 fixed to the frame body 11. The fixing member 12 has a transmission block slot 121 extending in a first direction. The transmission block 43 is slidably disposed in the transmission block slot 121, thereby ensuring a stable sliding connection between the transmission block 43 and the frame 1. Optionally, the print head 32 is provided with a slide bar 33. The fixing member 12 has a printing device slot 122 extending in a second direction. The slide bar 33 is slidably disposed in the printing device slot 122.

[0049] Continue to refer to Figures 1-8 The transmission block slot 121 is in an I-shape, and the transmission block 43 is adapted to the shape of the transmission block slot 121 and is also in an I-shape, which can prevent the transmission block 43 from falling out of the transmission block slot 121. The transmission block 43 includes a T-shaped mounting block and a mounting plate provided on the mounting block, and the two are connected by bolts or screws to form the transmission block 43. In other embodiments, the transmission block 43 can also be integrally formed.

[0050] Continue to refer to Figures 1-8 The print head 32 is slidably disposed on the frame 1 , the abutment block 31 is rotatably disposed on the print head 32 , and the abutment block 31 is in rolling contact with the transmission inclined surface 431 , thereby reducing the friction resistance between the abutment block 31 and the transmission inclined surface 431 .

[0051] Continue to refer to Figures 1-8 The printer also includes a printing device elastic member, which is arranged between the frame 1 and the printing device 3 and is used to provide an elastic force that causes the printing device 3 to abut against the transmission inclined surface 431, so that when the driving disk 42 is in the non-working position, the printing device 3 can be reset by the printing device elastic member.

[0052] Optionally, along the first direction, the transmission block 43 further has a first surface and a second surface, respectively located at opposite ends of the transmission inclined surface 431. The first surface and the second surface are both parallel to the horizontal plane. When the drive disk 42 is in the operating position, the printing device 3 contacts one of the first surface and the second surface, and the printing device 3 moves to the lowest position, enabling printing. When the drive disk 42 is in the non-operating position, the printing device 3 contacts the other of the first surface and the second surface, and the printing device 3 moves to the highest position. When the printing device 3 contacts the first surface or the second surface, the transmission block 43 bears the force applied by the printing device 3 in the second direction, while the drive disk 42 is not subjected to the reaction force from the printing device 3, but is only subjected to the elastic force of the transmission block elastic member 44 and the sliding friction between the frame 1 and the transmission block 43, thereby further reducing the force applied to the drive disk 42 in the first direction.

[0053] The force on the driving disk 42 along the first direction is analyzed below, specifically in the following two situations:

[0054] 1) The printing device 3 contacts the first surface or the second surface:

[0055] The entire mass of the printing device 3 is m1, and the elastic force exerted on it from the elastic member of the printing device is F, which is in a vertically upward direction. Therefore, the force applied by the printing device 3 to the transmission block 43 is F-m1g.

[0056] In the solution of the prior art, the above force will directly act on the motor output shaft along the radial direction of the motor output shaft, and the magnitude is F-m1g.

[0057] In this solution, the gravity of the transmission block 43 itself is m2, so the force between the transmission block 43 and the fixing member 12 is |F-m1g-m2g|; the calculation formula of the force f1 on the driving disk 42 along the first direction is:

[0058] f1=μ|F-m1g-m2g|;

[0059] The gravity of the transmission block 43 itself is relatively small, generally smaller than F-m1g. Therefore, compared with the prior art, when the printing device 3 contacts the first surface or the second surface, this solution can significantly reduce the force on the driving disk 42 along the first direction.

[0060] 2) The printing device 3 contacts the transmission inclined surface 431:

[0061] The angle between the transmission inclined surface 431 and the horizontal plane is θ, so the force applied by the printing device 3 to the transmission block 43 is (F-m1g) / cosθ. The above force can be decomposed into horizontal and vertical components. The horizontal component is (F-m1g)tanθ, and the vertical component is (F-m1g). Therefore, the friction force between the transmission block 43 and the fixed part 12 is: μ|(F-m1g)-m2g|. In addition, the elastic force exerted by the transmission block elastic member 44 on the transmission block 43 is F N Since the abutment block 31 of the printing device 3 is in rolling contact with the transmission inclined surface 431, the rolling friction force can be ignored.

[0062] Therefore, the calculation formula of the force f2 on the driving disk 42 along the first direction is:

[0063] f2=μ|(F-m1g)-m2g|+(F-m1g)tanθ+F N ;

[0064] The gravity of the transmission block 43 itself is generally small, generally smaller than F-m1g, so the above formula can be simplified to:

[0065] f2=(μ+tanθ)(F-m1g)-m2gμ+F N ;

[0066] The elastic force of the transmission block elastic member 44 only needs to be able to drive the transmission block 43 and the protrusion 421 to press against each other tightly. N Therefore, as long as the angle θ between the transmission inclined surface 431 and the horizontal plane is small, the force f2 on the driving disk 42 along the first direction can be reduced, thereby reducing the axial force on the output shaft 411.

[0067] In summary, in addition to being able to change the radial force of the motor output shaft in the prior art into the axial force of the output shaft 411, the printer in this embodiment can also reduce the axial force of the output shaft 411 by reducing the angle between the transmission bevel 431 and the horizontal plane and reducing the elastic force of the transmission block elastic part 44.

[0068] Continue to refer to Figures 1-8 The ribbon conveying device 2 includes a ribbon unwinding shaft 21 for unwinding the ribbon 100, a ribbon rewinding shaft 22 for rewinding the ribbon 100, and a rewinding shaft motor 23 disposed on the ribbon rewinding shaft 22. The rewinding shaft motor 23 is used to drive the ribbon 100 to move. Optionally, the ribbon conveying device 2 also includes an unwinding roller 211 and a rewinding roller 222 rotatably disposed on the frame 1. The ribbon 100 is disposed around the unwinding roller 211 and the rewinding roller 222. The transport path of the ribbon 100 can be changed by the unwinding roller 211 and the rewinding roller 222.

[0069] Optionally, the printer further includes a movable frame 6 that is slidably disposed on the frame 1 along a third direction. The movable frame 6 includes two first rollers 61 spaced apart along the third direction and two second rollers 62 spaced apart along the third direction. The first rollers 61 and the second rollers 62 are spaced apart along the second direction, wherein the first direction, the second direction, and the third direction are perpendicular to each other. The movable frame 6 has a conveying path for conveying the ribbon 100. The conveying path is disposed around the two first rollers 61 and the two second rollers 62. The two first rollers 61 and the two second rollers 62 are both located inside the conveying path. The inlet and outlet ends of the conveying path are always located between the two first rollers 61. The portion of the conveying path located between the two first rollers 61 is parallel to the third direction. With this arrangement, the total length of the conveying path remains unchanged during movement of the movable frame, preventing the ribbon from being tensioned or relaxed, thereby preventing the movement of the ribbon driven by the reel motor.

[0070] Optionally, the movable frame 6 further includes a frame body 63 , the first roller 61 and the second roller 62 are both rotatably disposed on the frame body 63 , and the ribbon 100 rolls in cooperation with the outer peripheral walls of the first roller 61 and the second roller 62 .

[0071] Optionally, a connecting rod 5 is rotatably mounted on the drive disk 42. The connecting rod 5 has a rotation axis parallel to and spaced from the rotation center of the drive disk 42. The connecting rod 5 is rotatably connected to the frame body 63 at one end away from the drive disk 42. Thus, the drive disk 42, the connecting rod 5, and the frame body 63 form a slider-crank mechanism, so that the drive disk 42 simultaneously drives the frame body 63 to slide during rotation.

[0072] Optionally, the unwinding roller 211 is used to convey the ribbon 100 wound around the ribbon unwinding shaft 21 to the inlet end of the conveying path, so that the position of the inlet end of the conveying path relative to the frame body 63 does not change during the reciprocating motion of the movable frame 6 in the third direction. Furthermore, the rewinding roller 222 is used to convey the ribbon 100 at the outlet end of the conveying path to the ribbon rewinding shaft 22, so that the position of the outlet end of the conveying path relative to the frame body 63 does not change during the reciprocating motion of the movable frame 6 in the third direction.

[0073] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A printer, characterized in that include: Rack (1); A ribbon conveying device (2), arranged on the frame (1) and used for winding and conveying the ribbon (100); a printing device (3) movably arranged on the frame (1) and capable of driving the ribbon (100) to move so as to print on a print medium; A drive assembly (4) comprising a drive motor (41) and a drive disk (42) arranged on an output shaft (411) of the drive motor (41), wherein the output shaft (411) of the drive motor (41) extends in a first direction, the rotation center of the drive disk (42) coincides with the axis of the output shaft (411), and the drive disk (42) is provided with a protrusion (421) along the first direction, and the drive motor (41) is capable of driving the drive disk (42) to rotate relative to the frame (1) so that the drive disk (42) has a working position and a non-working position, and when the drive disk (42) is in the working position, the protrusion (421) is used to drive the printing device (3) to move, thereby driving the ribbon (100) to move; when the drive disk (42) is in the non-working position, the printing device (3) remains stationary relative to the frame (1); The driving assembly (4) further comprises a transmission block (43) slidably arranged on the frame (1) along a first direction; when the driving disk (42) is located in a working position, the protrusion (421) is used to drive the transmission block (43) to move, thereby driving the printing device (3) to move; when the driving disk (42) is located in a non-working position, the transmission block (43) is separated from the protrusion (421); The drive assembly (4) further includes a transmission block elastic member (44), the transmission block elastic member (44) being arranged between the frame (1) and the transmission block (43) and being used to provide an elastic force for moving the transmission block (43) toward the drive disk (42); The printing device (3) is slidably arranged on the frame (1) along a second direction, and the second direction forms an angle with the first direction; The transmission block (43) has a transmission bevel (431), and when the driving disk (42) is located in the working position, the protrusion (421) is used to drive the transmission block (43) to move, so that the transmission bevel (431) drives the printing device (3) to move along the second direction.

2. The printer according to claim 1, wherein: The frame (1) comprises a frame body (11) and a fixing member (12) fixedly arranged on the frame body (11); the fixing member (12) has a transmission block slide groove (121) extending along a first direction; and the transmission block (43) is slidably arranged in the transmission block slide groove (121).

3. The printer according to claim 2, wherein: The chute (121) is in an I-shape.

4. The printer according to claim 1, wherein The printing device (3) comprises an abutment block (31) and a print head (32), wherein the print head (32) is slidably arranged on the frame (1), the abutment block (31) is rotatably arranged on the print head (32), and the abutment block (31) is in rolling contact with the transmission inclined surface (431).

5. The printer according to claim 1, wherein: It also includes a printing device elastic member, which is arranged between the frame (1) and the printing device (3) and is used to provide an elastic force that causes the printing device (3) to abut against the transmission inclined surface (431).

6. The printer according to any one of claims 1 to 5, characterized in that: The ribbon conveying device (2) comprises a ribbon unwinding shaft (21) for unwinding the ribbon (100), a ribbon rewinding shaft (22) for rewinding the ribbon (100), and a rewinding shaft motor (23) arranged on the ribbon rewinding shaft (22), wherein the rewinding shaft motor (23) is used to drive the ribbon (100) to move.

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