Abstract: A printer includes a holder configured to house rolled recording paper, a cover that is attached to the holder to be openable and closable relative to the holder, and a contact part that is attached to the cover and configured to contact the recording paper. The contact part is configured such that the contact part substantially point-contacts the recording paper, and positions on the contact part contacting the recording paper change as the recording paper is unrolled.

Abstract: A printer includes a holder configured to house rolled recording paper, a cover that is attached to the holder to be openable and closable relative to the holder, and a contact part that is attached to the cover and configured to contact the recording paper. The contact part is configured such that the contact part substantially point-contacts the recording paper, and positions on the contact part contacting the recording paper change as the recording paper is unrolled.

Abstract: A printer including: a housing; a rotating member that is rotatably fixed to the housing; a fixing part that is formed on the housing, and rotatably supports a rotary shaft of the rotating member; wherein one of the fixing part and the rotating member includes a projection formed around the rotary shaft and capable of contacting the other of the fixing part and the rotating member, the other of the fixing part and the rotating member includes a recess that is formed around the rotary shaft and does not contact the projection, a flat part that is formed around the rotary shaft and allows the rotation of the rotating member while contacting the projection, and a regulating part that is formed around the rotary shaft, contacts the projection and regulates the rotation of the rotating member.

Abstract: A printer includes a printer body and a lid. The printer body includes a recording paper holder configured to accommodate a roll of recording paper and a projection provided on a bottom surface of the recording paper holder that contacts the recording paper. The lid is attached to the printer body to be opened and closed relative to the printer body.

Abstract: A printer including: a housing; a rotating member that is rotatably fixed to the housing; a fixing part that is formed on the housing, and rotatably supports a rotary shaft of the rotating member; wherein one of the fixing part and the rotating member includes a projection formed around the rotary shaft and capable of contacting the other of the fixing part and the rotating member, the other of the fixing part and the rotating member includes a recess that is formed around the rotary shaft and does not contact the projection, a flat part that is formed around the rotary shaft and allows the rotation of the rotating member while contacting the projection, and a regulating part that is formed around the rotary shaft, contacts the projection and regulates the rotation of the rotating member.

Abstract: A printer includes a printer body including a holder configured to house rolled recording paper, a cover configured to open and close the holder, a coupling mechanism that couples the cover to the printer body, and a detachment preventing mechanism configured to prevent the cover from being detached from the printer body. The coupling mechanism includes shafts formed on one of side plates of the cover and inner walls of the printer body, and shaft holes formed in another one of the side plates and the inner walls and configured to receive the shafts; and the detachment preventing mechanism includes a stopper that is disposed such that ends of the stopper contact inner surfaces of the side plates and configured to support the side plates and prevent the side plates from falling when a load is applied to the cover.

Abstract: A printer includes a printer body, a lid, a lock, a lock lever, and an open lever. The lid is attached to the printer body to be opened and closed. The lock locks a platen roller attached to one of the printer body and the lid. The lock lever unlocks the locked platen roller. The open lever is so provided on the lid as to slide. The open lever slides to press the lock lever to open the lid.

Abstract: A printer includes a fixed blade and a movable blade that cut recording paper subjected to printing by a print head, and a movable blade slider including a projecting part provided on a surface of the movable blade slider. The movable blade is provided on the movable blade slider with the projecting part of the movable blade slider entering an opening provided in the movable blade.

Abstract: A printer includes a printing part that performs printing on recording paper, a cutter that cuts the recording paper, a first roller provided on the side to which the recording paper is discharged from the cutter, a second roller that is in contact with the first roller and is rotated by the rotation of the first roller, a third roller that is in contact with the first roller and is rotated by the rotation of the first roller, and a connecting arm that connects the center of the first roller and the center of the second roller, wherein the recording paper is discharged between the first roller and the second roller or between the first roller and the third roller.

Abstract: A printer includes a main body case in which a sheet roll is installed, a sheet discharge port from which a printed sheet of paper is discharged, an opening/closing cover that opens and closes with respect to the main body case, a cutter that is attached to the opening/closing cover and configured to cut the printed sheet of paper from the sheet roll, and a cutter protection mechanism configured to move in correspondence with an opening movement or a closing movement of the opening/closing cover. The cutter protection mechanism is configured to expose the cutter at the sheet discharge port when the opening/closing cover is in a closed state and conceal the cutter when the opening/closing cover is in an open state.

Abstract: A printer includes a print head that prints information on a recording medium, a fixed blade, a sliding mechanism that is slidable relative to the fixed blade, a movable blade that moves according to the sliding movement of the sliding mechanism, and a cutter driving part that causes the sliding mechanism to slide to move the movable blade.

Abstract: A printer includes a printing part that performs printing on recording paper, a cutter that cuts the recording paper, a first roller provided on the side to which the recording paper is discharged from the cutter, a second roller that is in contact with the first roller and is rotated by the rotation of the first roller, a third roller that is in contact with the first roller and is rotated by the rotation of the first roller, and a connecting arm that connects the center of the first roller and the center of the second roller, wherein the recording paper is discharged between the first roller and the second roller or between the first roller and the third roller.

Abstract: A printer includes a printer body including a print head, a lid, a cutter that cuts recording paper, and fixed and movable blade units. The lid is connected to and is opened and closed relative to the printer body. The fixed blade unit is provided in the printer body and includes a fixed blade of the cutter. The movable blade unit is provided on the lid and includes a movable blade of the cutter. A first projection is formed at a first end of the fixed blade unit and a first groove is formed at a first end of the movable blade unit. A second groove is formed at a second end of the fixed blade unit and a second projection is formed at a second end of the movable blade unit. The first and second projections are inside the first and second grooves, respectively, when the lid is closed.

Abstract: A printer apparatus includes a platen roller, a printer head for performing a printing on a recording paper provided between the printer head and the platen roller, a recording paper guide mounted to a part of a front surface of the printer head to guide the recording paper, and a spring positioned on a rear surface of the printer head to exert force toward the platen roller. The spring causes the printer head and the recording paper guide to move together toward a position in which the platen roller is mounted.

Abstract: A printer includes a platen roller, a printer main block including a print head that prints information on recording paper placed between the print head and the platen roller, a movable-blade block including a movable blade, a fixed-blade block including a fixed blade, a feed driving block including a feed driving motor that rotates the platen roller to feed the recording paper, and a movable-blade driving block including a movable-blade driving motor that moves the movable blade. The printer main block, the platen roller, the movable-blade block, the fixed-blade block, the feed driving block, and the movable-blade driving block are detachably attached to each other to form the printer that includes a function to cut the recording paper with the fixed blade and the movable blade.

Abstract: A printer includes a platen roller, a print head that performs printing on a recording sheet, and a recording sheet guide provided on the same side as the platen roller relative to the recording sheet. Multiple projections are provided on a surface of the recording sheet guide. The projections are elongated in substantially the same direction as a conveyance direction of the recording sheet.

Abstract: A printer includes a printing part that performs printing on a label adhering to a liner, a cutter that cuts the liner to which the label adheres, a first roller provided on the side to which the liner to which the label adheres is discharged from the cutter, a second roller that is in contact with the first roller and is rotated by the rotation of the first roller, a third roller that is in contact with the first roller and is rotated by the rotation of the first roller, and a connecting arm that connects the center of the first roller and the center of the second roller, wherein the liner is separated from the label by the first roller and the second roller, and the label separated from the liner is discharged by the third roller.

Abstract: A printer includes a frame that includes a frame back part, an arm that includes a rotation shaft and is supported by the frame to rotate around the rotation shaft relative to the frame, a platen roller that is rotatably supported by the frame or the arm, a print head that is disposed between the frame back part and the platen roller and performs printing on a recording sheet placed between the platen roller and the print head, and a first bias spring that is disposed between the frame back part and the print head and biases the print head toward the platen roller relative to the frame back part.

Abstract: A printer includes a printer body, a lid, a cutter, a fixed blade unit, a movable blade unit, a gimbal plate, and a spring. The printer body includes a print head. The lid is connected to the printer body so as to be opened and closed relative to the printer body. The cutter cuts recording paper. The fixed blade unit is provided in the printer body and includes a fixed blade of the cutter. The movable blade unit is provided on the lid and includes a movable blade of the cutter. The gimbal plate is attached to the lid. The movable blade unit is connected to the gimbal plate. The spring intervenes between the movable blade unit and the gimbal plate. The movable blade unit is provided on the lid with the gimbal plate attached to the lid.

Abstract: A printer includes a printer body, a lid, a damper spring, and a slidable part. The lid is connected to the printer body so as to be opened and closed relative to the printer body. The damper spring is provided on the printer body and includes a coil spring and first and second ends extending from first and second ends of the coil spring, respectively, and engaging with each other. The damper spring exerts a restoring force in a direction to move the first and second ends of the damper spring away from each other. The slidable part is provided in the printer body. When the lid is opened, the slidable part is pressed by the lid so as to press the first end of the damper spring so that the damper spring exerts the restoring force in a direction to close the lid.