Abstract: An example of a print system including a dryer to dry a sheet of paper. The print system includes a media feeder to feed the sheet of paper into the dryer and a controller to vary a speed of the media feeder. The print system includes a communication interface to receive data associated with an image to print on the sheet of paper and a processor. The processor is coupled to the controller and the communication interface. The processor is to determine a first density index for a first portion of the image and to determine a second density index for a second portion of the image. The processor is to adjust the speed of the media feeder via the controller based on the first density index and the second density index.

Abstract: A modular radial impeller drum for cooling print media in a printing device are disclosed. For example, the modular radial impeller drum includes a plurality of impeller modules coupled together to form a surface to transport the print media. Each one of the plurality of impeller modules includes a cylindrical outer surface, a cylindrical center axis inside of the cylindrical outer surface, and a plurality of impeller blades coupled between the cylindrical outer surface and the cylindrical center axis, wherein each one of the plurality of impeller blades are angled, wherein the plurality of impeller modules are coupled together such that the plurality of impeller blades of each one of the plurality of impeller modules are aligned across a length of the modular radial impeller drum.

Abstract: In one example in accordance with the present disclosure, a fluid ejection die is described. The die includes a number of actuator sensors disposed on the fluid ejection die to sense a characteristic of a corresponding actuator and to output a first voltage corresponding to the sensed characteristic. Each actuator sensor is coupled to a respective actuator and multiple coupled actuator sensors and actuators are grouped as primitives on the fluid ejection die. The die also includes a pre-charge device per primitive to pre-charge a corresponding threshold voltage storage device to a threshold voltage. The die also includes an actuator evaluation die per primitive to evaluate an actuator characteristic of any actuator within the primitive. Based on the first voltage and a pre-charged threshold voltage.

Abstract: In one example in accordance with the present disclosure, a fluidic die is described. The fluidic die includes an array of fluid actuators grouped into primitives. The fluidic die also includes a fluid actuator controller to selectively activate fluid actuators via activation data. The fluidic die also includes an array of actuator evaluators, wherein each actuator evaluator of the fluidic die is coupled to a subset of the array of fluid actuators. The actuator evaluators selectively evaluate an actuator characteristic of a selected fluid actuator based on: an output of an actuator sensor paired with the selected fluid actuator, the activation data, and an evaluation control signal.

Abstract: A printing device prints an object on a medium by inkjet printing. The printing device includes: a glossy ink head that discharges ink droplets of a glossy ink having a glossy color; and a main scan driver that prompts the glossy ink head to perform main scans in which the glossy ink head discharges the ink droplets while moving in a predetermined main scanning direction. The glossy ink contains a glossy pigment. In the main scans, the glossy ink head discharges the ink droplets plural times while moving in the main scanning direction to form ink dots at positions on the medium aligned in the main scanning direction. The ink droplets discharged from the glossy ink head each have a volume constituting a size that allows for contact on the medium between any ones of dots formed in each one of the main scans.

Abstract: Provided is an inkjet printing method using a plurality of nozzles adapted to be controlled, if given control values are inputted to the plurality of nozzles, to discharge separated ink quantities mapped to the given control values, the method including the steps of: inputting the control value mapped to a given separated ink quantity to the plurality of nozzles, measuring quantities of ink discharged from the plurality of nozzles, and determining discharge performance of the plurality of nozzles; calculating a target print ink quantity in case where a reference separated ink quantity is discharged from a plurality of dots on a window having the plurality of dots constituting at least two or more rows and columns determined based on print resolution (dpi); and determining the control values of the plurality of nozzles based on the discharge performance of the plurality of nozzles to allow the sum of quantities of ink discharged of ink dots injected into the window to be maintained to the target print ink quan

Abstract: A printing apparatus measures a temperature of an electrothermal transducer by a corresponding temperature detection element, detects, based on the measured temperature, a peak voltage which indicates a point of change, from a state where ink is discharged normally from a printhead to a state where the ink is not discharged from the printhead, and compares the peak voltage with a threshold value. The measurement, detection, and comparison are repeated until the peal voltage becomes equal to or more than the threshold value. Energy supplied to the electrothermal transducer at a time in which the peak voltage is determined to be equal to or more than the threshold is determined to be minimum discharge energy.

Abstract: There is provided a charge electrode for charging ink droplets for continuous ink jet printing. The charge electrode has a generally cylindrical main body defining a generally cylindrical passage for the ink droplets, said passage extending along a travel axis that represents, in use, the position of an ink jet in ingress to the electrode and a direction of travel of the ink droplets once these have detached from the ink jet. The charge electrode comprises two distinct axially disposed regions: a first region for charging the droplets as required; and, a second region for screening the charged droplets from any electric fields which could undesirably affect the trajectory of the ink jet and/or the droplets. The second region may fully surround at least a portion of the travel axis. The invention therefore provides improved screening for the ink jet and/or the droplets. This may in turn enable better control of the charge applied to the charged droplets, and/or of their travel trajectory.

Abstract: According to an example, a printing apparatus may include two drop ejecting elements, a fluid circulating element, and a logic device. The logic device may determine whether one or both of a first drop ejecting element and a second drop ejecting element have been fired within a predetermined period of time prior to a current time. In response to the determination, the logic device may selectively transmit an output signal that is to cause the fluid circulating element to be selectively fired, in which the fluid circulating element is positioned to circulate fluid adjacent to both the first drop ejecting element and the second drop ejecting element.

Abstract: A head chip capable of suppressing the degradation of the reliability, and a liquid jet head and a liquid jet recording device using the head chip are provided. The head chip includes an actuator plate having a plurality of ejection channels respectively communicated with nozzle holes and electrodes disposed on inner walls of the respective ejection channels, a bonded plate to be bonded to the actuator plate, and having a liquid contact surface which liquid entered the ejection channels has contact with, an adhesive layer disposed between the bonded plate and the actuator plate, and adapted to bond the bonded plate and the actuator plate to each other, and a protective film adapted to cover continuously from inner walls of the respective ejection channels to at least a part of the liquid contact surface via an end surface of the adhesive layer exposed on the ejection channel side.

Abstract: A liquid ejecting head includes a nozzle plate having a plurality of nozzles, and a flow path plate bonded to one side of the nozzle plate, the flow path plate having flow paths including a liquid reservoir configured to store a liquid to be supplied to the nozzles, in which the liquid reservoir is defined by a concave portion disposed on a side of the flow path plate opposite to the nozzle plate, a bottom of the concave portion includes a first portion along a periphery of the concave portion and a second portion inside the first portion in plan view from a thickness direction of the flow path plate, and the thickness of the first portion is thicker than the thickness of the second portion.

Abstract: An inkjet head or the like that is capable of efficiently applying a pressure required for discharging a liquid material includes: a nozzle hole; a pressure chamber; a liquid material supply flow path; a liquid material recovery flow path; a diaphragm; a piezoelectric element; and orifice structures that are respectively disposed between the liquid material supply flow path and the pressure chamber, and between the liquid material recovery flow path and the pressure chamber, and that are narrower than the pressure chamber in a plan view as viewed from a discharge direction of the liquid material.

Abstract: In some examples, a print cartridge comprises a printhead die that includes a die sliver molded into a molding. The die sliver includes a front surface exposed outside the molding to dispense fluid, and a back surface exposed outside the molding and flush with the molding to receive fluid. Edges of the die sliver contact the molding to form a joint between the die sliver and the molding.

Abstract: A card processing system includes a drop-on-demand card printing system that has at least one drop-on-demand print head with a nozzle plate. An automated cleaning mechanism is provided in the drop-on-demand card printing system that is configured to clean the nozzle plate without the cleaning mechanism physically contacting the nozzle plate. Since the nozzle plate is not physically contacted by the cleaning mechanism, damage to the nozzle plate during cleaning is avoided thereby avoiding degrading the resulting print quality of the print head.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid from a nozzle that is disposed on a nozzle surface, a first wiping portion which is able to wipe away the liquid that is adhered to the nozzle surface, and a second wiping portion which is able to hold the liquid that is adhered to the nozzle surface by contacting the nozzle surface, wherein it is possible to perform a first maintenance operation in which the nozzle surface is wiped using the first wiping portion and a second maintenance operation in which the second wiping portion is caused to contact the nozzle surface due to the second wiping portion being biased by the first wiping portion.

Abstract: In one example, a dehumidifier for an inkjet printer includes a condensing unit and a chiller to circulate coolant through the condensing unit. The condensing unit is made of a thermally conductive material forming elongated exterior condensing surfaces and an interior coolant flow passage extending lengthwise between the condensing surfaces.

Abstract: A liquid cartridge includes: a cartridge casing having a liquid storage chamber; a first wall; a second wall; and an air communication passage. The first wall is positioned upward relative to the liquid storage chamber. The second wall is positioned upward relative to the first wall. The air communication passage has a first communication hole in communication with the liquid storage chamber and a communication opening open to an atmosphere. The air communication passage includes: an air chamber defined by the first wall and the second wall and in communication with the liquid storage chamber through the first communication hole; a second communication hole formed in the second wall; and a labyrinth path. The labyrinth path is positioned upward relative to the air chamber, and has one end in communication with the second communication hole and another end in communication with the communication opening.

Abstract: In one example, a method for determining an out-of-liquid condition of a liquid supply for an inkjet printer. The method includes acquiring, during printing, a sequence of data points, each data point comprising a differential liquid/air pressure at the liquid supply measured with a sensor and a corresponding cumulative amount of liquid delivered from the liquid supply. The method further includes generating a curve using the data points. The method also includes determining, from a predetermined characteristic of the curve, whether the out-of-liquid condition exists. The characteristic is independent of at least one of a gain and an offset of the sensor.

Abstract: Provided is an inkjet printing apparatus comprising: a print head that ejects ink; a tank that contains ink to be supplied to the print head; a floating body that floats on the liquid surface of the ink inside the tank; and an electrode pin that detects the level of the liquid surface inside the tank. The floating body includes an opening portion in which to insert the electrode pin, and a perimeter of the opening portion protrudes from a top surface side of the floating body.

Abstract: A liquid supply device includes a connection body which includes a liquid introduction portion which is capable of connecting to a liquid outlet portion of a liquid container which includes the liquid outlet portion which contains the liquid which is supplied to the liquid ejecting unit which ejects the liquid and is capable of guiding out the liquid, a liquid container support portion which is capable of supporting the liquid container in a state in which the liquid introduction portion is capable of being connected to the liquid outlet portion to be capable of being freely attached and detached, and a connection body holding portion which holds the connection body in a state in which a connection of the liquid introduction portion with the liquid outlet portion is released.

Abstract: The present invention relates to an ink container for an inkjet printer, the ink container being configured to prevent a problem caused by fine bubbles accumulated in the ink container. As the ink container containing ink for supplying ink to an inkjet head having a plurality of nozzles that discharge ink, the ink container includes: a bottom surface inclined so that a first side thereof connected to a return line through which ink is returned from the inkjet head is positioned higher than a second side thereof connected to a supply line through which ink is supplied to the inkjet head; and a bubble removing net provided between the supply line and the return line to remove bubbles from ink contained in the ink container.

Abstract: The present disclosure prevents a visible pattern corresponding to the pattern of a mask from being noticeable and enables more appropriate printing. A printing apparatus 10 performing printing by an inkjet scheme includes: an inkjet head 102; and a controller 20, configured to control the operation of a main scan driver 16 and a sub scan driver 18 to perform a main scanning operation multiple times on each position on a medium 50. In the main scanning operation, for at least part of ejection positions serving as ejection targets of ink droplets in the main scanning operation, the controller 20 causes the inkjet head 102 to eject an ink droplet in accordance with a mask for selecting part of the at least part of ejection positions. In the main scanning operation at one time, the controller 20 causes the inkjet head 102 to eject an ink droplet in accordance with a preset first mask.

Abstract: In one example of the disclosure, a first print engine is caused to print a first image in a first set of sectors of a substrate. A second print engine is caused to print a second image in a second set of sectors of the substrate. The second print engine is caused to print a cover-up image over an incidence of the first image printed by the first print engine. The second print engine is caused to print a calibration image upon the cover-up image.

Abstract: A printing system includes a substrate support, a printhead assembly positioned facing the substrate support, and an imager. The printhead assembly includes a plurality of dispensing nozzles extending in an ejection direction towards the substrate support and a plurality of marks. The imager is movable relative to the printhead assembly and oriented in a direction opposite to the ejection direction for capturing at least one image including the plurality of marks indicating positions of the plurality of dispensing nozzles in the printhead assembly.

Abstract: The present application discloses an inkjet printing device in which a nozzle that caused a print defect, such as an ejection failure, is reliably identified by a simple process even when an end of a test pattern is not recorded. In a configuration example of the inkjet printing device, a test pattern TPat to be printed for identifying a recording head nozzle that caused a print defect consists of an ejection failure detection pattern DPat and a position detection pattern PPat. The position detection pattern PPat consists of a position mark PM4 and pairs of position marks (PM1 and PM1; PM2 and PM2; and PM3 and PM3) symmetrically arranged with respect to the position mark PM4 in a sheet width direction. Each position mark consists of three linear patterns having the same length and disposed at equal intervals. Moreover, the position detection pattern PPat is configured such that linear pattern length decreases with increasing distance from a center position mark.

Abstract: The present invention relates to a method for manufacturing a thermal print head. Dispose a silicon substrate on a carrier, and dispose sequentially a glaze layer, a thermal resistance layer, an electrode pattern layer, and a passivation layer on the silicon substrate for forming a thermal print head. In addition, the size of the silicon substrate disposed on the carrier can be changed according to the opening on the carrier for providing a large-size thermal print head or one-time large-size printing.

Abstract: A printing system includes a liquid ejector configured to deposit a curable layer on a surface of a substrate, the layer having a free surface and an interface between the layer and the substrate. A pre-curing device pre-cures the layer such that a first region closer to the free surface is less cured than a second region closer to the interface. The curing device includes a pre-curing initiator source configured to provide a pre-curing initiator that polymerizes the layer. The curing device also includes a pre-curing inhibitor source configured to deliver an inhibitor that inhibits polymerization of the layer. A particle delivery device delivers particles to the layer after the layer is pre-cured.

Abstract: An inkjet printer is described. The inkjet printer has a substrate holder assembly that includes a base member having a long axis in a first direction and a short axis in a second direction perpendicular to the first direction; a contact member coupled to the base member, the contact member having a long axis in the first direction and a short axis in the second direction; a holder carriage coupled to the base member; a linear extender coupled between the base member and the contact member and extending in a third direction intersecting with the first direction and the second direction from the base member toward the contact member; and a flex member coupled to the base member, extending in the second direction between the linear extender and the contact member, and having a flex direction in a direction perpendicular to the first direction and the second direction.

Abstract: A printer includes a printer housing, which includes a plurality of outer surfaces including a bottom surface opposed to an installation surface, and has a recording paper receiving portion configured to receive recording paper through an opening portion; a printer cover, which is coupled to the printer housing, and is configured to openably cover the opening portion; a printer display device, which is removably mounted to the outer surface, of the plurality of outer surfaces, other than the bottom surface, and is configured to display predetermined information; and a connection cable, which is connected between the printer housing and the printer display device, and is configured to communicate at least data related to the predetermined information. The printer display device has a cable groove in which the connection cable is fitted and received.

Abstract: A printer includes a printer housing, which includes a plurality of outer surfaces including a bottom surface opposed to an installation surface, and has a recording paper receiving portion configured to receive recording paper through an opening portion; a printer cover, which is coupled to the printer housing, and is configured to openably cover the opening portion; a printer display device, which is removably mounted to the outer surface, of the plurality of outer surfaces, other than the bottom surface, and is configured to display predetermined information; and a connection cable, which is connected between the printer housing and the printer display device, and is configured to communicate at least data related to the predetermined information.

Abstract: A tape cassette that includes a box-shaped cassette case whose outline being defined by a bottom wall, a top wall, and a side wall and including a plurality of corner portions, at least one tape contained within a tape containment area defined within the outline, a pair of cavities extending from the bottom wall and being provided between the tape containment area and the outline at opposite ends of a diagonal line connecting one of the corner portions to another of the corner portions, and a side face indicator portion provided in the side wall, indicating a type of the tape, and including a plurality of indicator portions disposed in a pattern in accordance with the type of the tape, each of the indicator portions being one of a switch hole and a surface portion.

Abstract: A leuco dye pastel marking device for use with a substrate treated with an activator of the leuco dye, such that drawing upon the substrate will reveal a color, but drawing on a normal surface will have no visible effect. A solvent such as dimethyl adipate is used to store the leuco dye in a longer-lived, more stable, solid form, and varying hardnesses and consistencies may be achieved by the addition of 12 hydroxystearic acid and ethyl cellulose. The substrate may be treated selectively with the activator such that a texture, image, or hidden message is revealed by the application of the leuco dye pastel to the substrate. One or more substrates and one or more leuco dye pastel marking devices may be presented to a child as a coloring book with pastels that only visibly mark the coloring book and no other surface.

Abstract: Formation of a multi-colored image in thermochromic material involves controlling operation of first, second, and third heat sources. The first heat source heats pixels of the thermochromic material to activate the pixels. The second and third heat sources are selectively controlled to heat different sets of pixels using neither, one, or both of the second and third heat sources.

Abstract: A recording material and a recording sheet having excellent color-developing performance and storage stability and particularly having excellent heat-resistance of background. The recording material contains a color former (A), a compound represented by formula (I) (B), and a compound represented by formula (II) (C).

Abstract: An object is to provide a thermosensitive recording material and a laminate which are excellent in color development sensitivity and favorable in storage characteristics such as heat resistance, plasticizer resistance, moisture resistance, oil resistance, and grease resistance. A thermosensitive recording material in which a thermosensitive recording layer is provided on a support, wherein the thermosensitive recording layer contains a specific diphenylsulfone compound and an analog compound thereof at a specific ratio. A laminate in which a thermosensitive recording layer is provided on a support, wherein the thermosensitive recording layer contains a specific diphenylsulfone compound and an analog compound thereof at a specific ratio.

Abstract: This inkjet image formation method has: a precoat liquid application step in which a precoat liquid is applied to a film substrate, the precoat liquid including a curing agent, a resin having a function group that reacts with the curing agent, and water; a precoat liquid drying step in which the precoat liquid applied to the film substrate is dried to form a precoat layer; an ink application step in which an ink is applied to the precoat layer by an inkjet method, the ink containing at least a coloring material, an organic solvent, and water; and an ink drying step in which the ink applied to the precoat layer is dried to form an image. The drying temperature T1, which is the highest temperature during the precoat liquid drying step, and the drying temperature T2, which is the highest temperature during the ink drying step, satisfy T2>T1.

Abstract: A recording media containing a raw base substrate having, on its image side, a primary coating layer and a top image receiving layer is described herein. Said top image receiving layer encompasses a polymeric adhesion promoter having a glass transition temperature that is at, or above, 90° C. Also described is a printed article containing said recording media on which a printed feature has been formed with an ink composition that encompasses latex components that have a glass transition temperature that is at, or above, 90° C.

Abstract: An image forming apparatus includes: a needleless binding device configured to form a recessed or raised impression as a needleless binding part by performing needleless binding on a bundle of sheets; an environment sensor; and a controller configured to perform, based on a value detected by the environment sensor, control to display a confirmation image requesting a user to make confirmation on the needleless binding prior to execution of the needleless binding.

Abstract: An Improved round corner cutting machine for Exercise Note Books The present invention relates to round corner cutting machine that comprises 5 pairs of suckers (116), each pair of sucker (116) grips single book and middle sucker (116) being located between pairs of sucker (116) that grip middle book. Here, position of each pair of sucker (116) is adjusted by adjusting position of guide blocks though adjustable links (107, 108). Further, distance between suckers (116) of each pair is adjusted by sliding the sucker cups (113) 10 within slot (112) of guide block so that according to size of books, the position of sucker is defined such that each book is gripped by one pair of sucker. After gripping, each pair of sucker (116) is separated linearly so that books are separated from their partition line. Said separated books are conveyed to back stopper assembly (3) where books are properly positioned and then 15 corner cutting assembly carry the corner cutting of books.

Abstract: A concealment device for use with a notary book, the concealment device comprising an opaque, removable, reusable single sheet of static cling material sufficiently wide to cover confidential information contained on pages of the notary book when the notary book is being signed, the sheet having an upper and lower surface, the lower surface configured to secure to the notary book pages by static cling, and a bottom portion having a plurality of identifications that correspond with and align with identifications on the notary book when the concealment device is placed on the open notary book. A combination comprising a notary book having a plurality of notary pages, each notary page comprising a plurality of columns, the book having two pages in an open position for entering information into the notary book and a concealment device placed on the two pages in the open position of the notary book.

Abstract: Smart processing devices and systems for controlling functionality of smart processing devices are provided. In some examples, a smart processing device may include a central segment and a plurality of removable segments. The removable segments may be connected to the central segment in a plurality of different configurations. In some examples, each configuration may enable or disable functionality associated with the smart processing device. Further, a system may receive data associated with a current physical configuration of a smart processing device. The current physical configuration data may be compared to pre-stored configuration data in order to identify one or more functions to be enabled or disabled for the smart processing device. The system, computing platform, or the like, may generate an instruction, command or signal enabling or disabling functionality and may transmit the signal to the smart processing device for execution and control of functions provided by the smart processing device.

Abstract: A method of producing banknotes on a substrate in-line on a web-based process is disclosed, including providing a tactile layer. In addition, a banknote produced by the above method, a banknote having a single-ink system, a coating for banknote and a tactile security feature are disclosed.

Abstract: A tactile security feature for a banknote and a method for its production using in-line on a web-based process are disclosed. The security feature comprises a printed indicia layer including a design element and a printed enhanced tactility layer, which has at least a first enhanced tactility area overlapping the design element, such that the design element appears to have tactility due to the overlap with the enhanced tactility area. Preferably the tactile layer contains tactile particles. In addition, a banknote produced by the above method, a banknote having a single-ink system, and a coating for banknotes including a tactile security feature are disclosed.

Abstract: A tactile security feature for a banknote and a method for its production using in-line on a web-based process are disclosed. The security feature comprises a printed indicia layer including a design element and a printed enhanced tactility layer, which has at least a first enhanced tactility area overlapping the design element, such that the design element appears to have tactility due to the overlap with the enhanced tactility area. Preferably the tactile layer contains tactile particles. In addition, a banknote produced by the above method, a banknote having a single-ink system, and a coating for banknotes including a tactile security feature are disclosed.

Abstract: A laminate includes: a first laminate member; a second laminate member; and a hidden print formed by printing invisible ink between the first laminate member and the second laminate member. The hidden print is configured to absorb electromagnetic radiation outside the visible range. When irradiated with electromagnetic radiation outside a visible range that has passed through at least one of the first laminate member and the second laminate member, the hidden print absorbs the electromagnetic radiation to thereby show a sign, and, when irradiated with visible light, the hidden print does not show the sign.

Abstract: A security inlay having optically recognizable characters for an identity document comprises a first transparent layer and a second transparent layer. The first and second transparent layers are connected to one another. A first portion of the optically recognizable characters is formed by blackened sections in at least one of the layers. A second portion of the optically recognizable characters is formed by the color coating. The first and second portions are arranged and configured to reflect visible light. Infrared light is reflected by the first portion of the optical characters. During irradiation with visible light, the security inlay thus shows first graphical information formed jointly by the first portion of the optically recognizable characters and the second portion of the optically recognizable characters. Under irradiation with infrared light, the security inlay shows second graphical information formed by the first portion of the optical characters.

Abstract: A binding mechanism including a body portion having a flange opening extending therethrough. The body portion further includes or at least partially defines a body portion opening positioned adjacent a base end of the flange. The binding mechanism has a manually deflectable flange coupled to the body portion. At least part of the flange is insertable through the flange opening from a first side of the body portion to at least partially form a loop on the first side of the body portion. The at least part of the flange is alternatively insertable through the flange opening from a second side of the body portion opposite the first side to at least partially form a loop on the second side of the body portion. The body portion opening is configured to receive the flange therethrough to enable the flange to be positioned on either the first side or the second side of the body portion.

Abstract: A writing implement is configured to dispense material onto a work surface. The writing implement includes a body having a first end, a second end, and an inner surface. The writing implement also includes a nib coupled to the first end. The nib is configured to allow the material to be dispensed onto the work piece. The writing implement further includes a pressure regulating assembly coupled to the body. The pressure regulating assembly and the inner surface define a cavity configured to hold the material. The pressure regulating assembly is moveable relative to the body in response to a pressure change within the cavity.

Abstract: In one embodiment, an artist tool for capturing relationships between features comprises: a first transparent blade; and a second transparent blade, the first and the second transparent blade each having a length extending from a first to a second distal end, and a width extending from a first to a second edge, each having a fastener hole offset from a center point; a fastener that penetrates through the fastener holes of the first and second blades such that the first blade is rotatably coupled to the second blade by the fastener. At least one of the first or second blades comprise a first linear slit that extends along a center axis between the first distal end and the fastener hole. Either blade may include a second linear slit that extends between the second distal end and the fastener hole. The center axis passing through a center of the fastening hole.

Abstract: An eraser for removing strokes of writing, painting and/or drawing implements, including at least one binder and at least one plasticizer, wherein the at least one plasticizer is a polyol ester.