Seiko Epson Corporation

Masaki Kobayashi

Kiyoto Komuro

Kenji Hatada

Hitoshi Igarashi

Keiji Takizawa

Chihiro Tanaka

Shin Genta

Takuya Yasue

Takayuki Ishii

Seijun Horie

Junya Kato

Yoji Takahashi

Kenichiro Kaneko

Yoshikazu Hama

Yoshio Yamaguchi

Hideo Uruma

Hisashi Tenpaku

Yusuke Saito

The recording device includes an elongated memberand a housing section. The housing sectionhouses the elongated member, and has a fixed end, a moving end, and an elongated variable section. A curved portion, which is a portion where the variable section is folded back on the way, moves following the movement of the carriage. In the height direction HD of the housing section, film memberhaving flexibility is disposed between the elongated memberand the housing section. A coefficient of friction between the film memberand the elongated memberis smaller than a coefficient of friction between the housing sectionand the elongated member

Recording device

A liquid jet device includes a head body configured to jet droplets from a nozzle, a frame at which the head body is positioned, a grounding portion configured to contact a first side surface of the head body in a removal direction from the frame to electrically couple the head body to the frame, and a first pin serving as a pin for positioning the head body with respect to the frame, wherein a contact position between the first side surface and the grounding portion and a position of the first pin overlap in a normal direction of the first side surface.

Liquid jet device, head body, and method of mounting head body

An adjusting method for a printing apparatus includes a head configured onto perform printing on a medium, a winding shaft configured to wind thereon the transported medium, a shaft adjustment mechanism configured to adjust a position of the winding shaft, and a notification part configured to provide a notification, the method including a printing step for printing a scale onto the medium, a transporting step for transporting the scale to the winding shaft, an image-capturing step for image-capturing the scale, which is transported to the winding shaft, at two different locations of the medium in a direction along an axis of the winding shaft, a notification step for providing to the notification part a notification about a result based on a captured image of the scale, and an adjustment step for adjusting a position of the winding shaft in accordance with a result notified to the notification part.

Adjusting method for printing apparatus, and printing apparatus

Provided is a recording device including a conveying portion configured to convey a medium in a conveying direction, a recording unit configured to record on the medium conveyed in the conveying direction, a guiding portion disposed further downstream in the conveying direction than the recording portion and configured to change the conveying direction while guiding conveyance of the medium, a winding portion disposed further downstream in the conveying direction than the guiding portion and configured to wind the medium, and a heating portion configured to heat the medium disposed between the recording portion and the winding portion in the conveying direction, heat the guiding portion, and heat the winding portion.

A roll body supporting device that rotatably supports a roll body includes a shaft member inserted into a core of the roll body, a shaft outer circumference member fixed to an outer circumference of the shaft member, a core support member that is inwardly in contact with and fits on the core, and a rotation support section that connects the shaft outer circumference member to the core support member and supports the core support member in a manner to be rotatable about the shaft member relative to the shaft outer circumference member.

Roll body supporting device and printing apparatus

The printing apparatus includes a supply section that supports a plurality of rolls into which roll-paper strips are wound and supplies the roll-paper strips, a transport section that applies respective transporting forces to the supplied roll-paper strips and transports the roll-paper strips, a printing section that performs printing onto the transported roll-paper strips, and a tension-imparting section that individually imparts respective tensile forces to a plurality of roll-paper strips against the transporting forces.

Printing Apparatus

A roll-shaped medium transport device includes: a medium supply unit that keeps a roll body formed by winding a roll-shaped medium on a support shaft, and unwinds and supplies the roll-shaped medium; a transport unit that transports the roll-shaped medium unwound from the roll body; a rotation detecting unit that detects rotation of the support shaft; a rotation unit that rotates the support shaft; and a determination unit that determines abnormality of a transport state of the roll-shaped medium on the basis of the rotation detecting unit when the rotation unit rotates the support shaft, when the rotation detecting unit does not detect the rotation of the support shaft in a state where a transport operation of the roll-shaped medium is performed by the transport unit.

Roll-shaped medium transport device, roll-shaped medium transport method, and printing apparatus

A recording apparatus includes a supporting stage, a recording unit, frame portions that bridge a space to cross the supporting stage and support the recording unit, and a Y axis movement unit that causes the recording unit and the frame portions to move in relation to the stage in the Y axis direction. The frame portions include a horizontal bridging frame that crosses the supporting stage and supports the recording unit, a pair of side frames that support both sides of the horizontal bridging frame in the X axis direction by end portion sides thereof, and a connecting frame that connects base portion sides of the pair of side frames to one another.

Recording apparatus

A roll medium lifting device of a recording apparatus includes: an elevating unit that has a loading unit therein and can be raised and lowered in the vertical direction; an operation lever that is rotatable about a fulcrum; and a cam that performs force transmission by converting rotational movement of the operation lever in the vertical direction to vertical movement of the elevating unit at a position closer to the fulcrum in the operation lever. Further, when the operation lever is rotated to cause the cam to move the elevating unit upward, a portion of the cam that makes contact with the elevating unit faces to the moving direction when the elevating unit is moved upward.

Recording apparatus and roll medium lifting device

A roll recording material transport device includes a driving side roll holder, a driven side roll holder, a driving side spindle, a driven side spindle, a spindle driving source, a driving side support mechanism, a driven side support mechanism, a transport roller, and an assist executing section. The assist executing section executes assist control in which a rotating force in the direction of transporting the roll of recording material is applied by the spindle driving source through the driving side spindle and the driving side roll holder in an engaged state to the roll portion. The frictional force between the driving side spindle and the driving side roll holder is set smaller than the frictional force between the driven side spindle and the driven side support mechanism.

Roll recording material transport device and recording apparatus

A transport device for transporting a roll-shaped recording medium includes: a pair of roll retainers that are attached to both sides of a roll portion of the roll-shaped recording medium; a pair of spindles that are engaged with the roll retainers to support the roll portion; a transport roller that transports the roll-shaped recording medium drawn out from the roll portion while pinching the roll-shaped recording medium; and a positioning mechanism that rotates the roll portion supported by the spindles in a direction in which tension is applied to the drawn roll-shaped recording medium to move the roll portion to one side in a longitudinal direction such that a reference edge of the roll-shaped recording medium comes into contact with a reference position, thereby positioning the reference edge of the roll-shaped recording medium.

Transport device for transporting roll-shaped recording medium and recording apparatus

A printing apparatus including: a first motor configured to provide a drive force for rotating a roll member that is a wound medium; a second motor configured to provide a drive force for driving a transporting drive roller provided on a downstream side of the roll member along a feeding direction of the medium for transporting the medium; and a control unit configured to drive at least one of the first motor and the second motor to cancel the slackness of the medium generated between the roll member and the transporting drive roller.

Printing apparatus and printing method

A rolled medium holding device includes a first gear mechanismthat is connected to a roll shaft holding the rolled medium and sends-out/rewinds the rolled medium, a second gear mechanismthat is connected to a torque limiterand includes a plurality of torque transmission means, and a gear switching mechanismthat shifts connection between the plurality of torque transmission means and the first gear mechanism by operating the second gear mechanism for applying different back tension to the roll shaft. Accordingly, torque transferred from the torque limiter can be shifted, and whereby back tension in correspondence with a used rolled medium can be easily applied in a simple manner.

Rolled medium holding device holding a rolled medium at both ends and a recording apparatus including the rolled medium holding device

A recording-medium-residual-quantity detecting device includes a first rotation-quantity detecting unit that detects a rotation quantity of a roll in which a recording medium is wound. A second rotation-quantity detecting unit detects a rotation quantity of a transportation roller that transports the recording medium by rotating in contact with the recording medium that is unwound from the roll. A controlling unit has a winding control mode in which driving units of the device are controlled so that rotational powers to wind the recording medium into the roll without slack between the roll and the transportation roller are applied to the roll and the transportation roller. The residual quantity of the recording medium is calculated on the basis of a rotation quantity &#x3b8;r of the roll and a rotation quantity &#x3b8;s of the transportation roller that are respectively detected by the rotation-quantity detecting units when the winding control mode is executed.

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Matsumoto, Japan

Masaki Kobayashi