A sheet conveying apparatus includes: a conveying roller configured to convey a sheet in a conveying direction; driven rollers arranged with intervals in a width direction intersecting with the conveying direction, the driven rollers being opposed to the conveying roller in a direction perpendicular to the conveying direction and the width direction; and coil springs provided corresponding to the driven rollers respectively and serving as rotating shafts for rotatably supporting the driven rollers, wherein the coil springs include a right-handed twining coil spring and a left-handed twining coil spring.

A medium discharging device includes a paper discharging tray that is disposed below a height position of a discharging roller which discharges a medium and includes a placing surface on which the medium discharged by the discharging roller is placed, and a supporting member that is configured to be movable between a retreat position on an upstream side and an advance position on a downstream side between the discharging roller and the placing surface.

Examples described herein include a star wheel mount that includes a support element. The support element includes a first clip element coupled to a first end to engage a first mounting element on a media handler housing, and a second clip element coupled to a second end opposite the first end to engage a second mounting element on the media handler housing. The star wheel mount also includes a star wheel support axle coupled to hold a star wheel in a plane perpendicular to a surface of the media handler housing.

A printer includes a curved path through which a medium is transported toward a line head, a transport roller pair provided in the curved path, pinching the medium by a driving roller and a driven roller at a pinching position, and transporting the medium, a gate portion having a contact surface configured to switch between a contact position located upstream of the pinching position in a transport direction in the curved path and a retreat position at which the contact surface does not contact with the medium, and a guide portion guiding a tip of the transported medium to the contact surface located at the contact position.

An apparatus for propelling a plurality of coil clad hoses simultaneously includes a plurality of modules. Each module includes a primary driven bull gear. A follower bull gear is rotatably fastened to a follower axle extending parallel to the drive axle and the follower bull gear meshes with the primary bull gear. A plurality of secondary bull gear/sprocket modules are fastened to each of the axles, each of the modules having a secondary bull gear having teeth extending to a first outer diameter and a sprocket gear having teeth extending a distance less than the first outer diameter. The secondary bull gear teeth of modules on the drive axle mesh with corresponding secondary bull gear teeth of modules on the follower axle to define between adjacent modules an opening width for receiving and passing therebetween a coil clad portion of a high pressure hose.

A printer includes an apparatus main body, an inner door unit, a main body gear, a transmission gear, and a lock mechanism section. The lock mechanism section locks the inner door unit against the apparatus main body and unlocks the inner door unit from the apparatus main body. The lock mechanism section includes a counter-engagement shaft which is long in a Y-direction, a lock lever having an engagement surface configured to engage with the counter-engagement shaft, and a tension spring that applies force to the lock lever to enable the engagement surface to change in position from a first posture to a second posture. In a closing operation, the engagement surface changes position to the second posture while shifting the position of contact with the counter-engagement shaft, and applies, to the counter-engagement shaft, a pull-in force for moving the inner door unit to a closed position.

A medium conveying apparatus includes a driving roller, a plurality of driven rollers, a support part, a plurality of upstream restriction parts and a plurality of downstream restriction parts. The support part supports the driven rollers. The upstream restriction parts are provided in the support part between the adjacent driven rollers. The downstream restriction parts are provided in the support part between the adjacent driven rollers. The upstream restriction parts and the downstream restriction parts are arranged on an upstream side and a downstream side in a conveyance direction of the medium across a rotational center of the driven rollers respectively. When the driven rollers are tilted with respect to the conveyance direction, at least one of the upstream restriction parts and the downstream restriction parts comes into contact with side surfaces of the driven rollers to restrict tilting of the driven rollers.