A printing apparatus includes a transport unit configured to transport a medium, a winding unit disposed downstream, in a transport direction, of the transport unit, the winding unit being configured to wind the medium, and a tension applying unit including a rod member biased toward the medium between the transport unit and the winding unit, the rod member being for applying a tension to the medium. The tension applying unit is configured so that the rod member moves along a predetermined direction as at least one of the transport unit and the winding unit is driven to transport the medium. An upper limit position of a movement of the tension bar along the predetermined axis is changed according to a winding mode of the winding unit.

A transport device includes a transport roller configured to transport a roll paper, a winding unit configured to wind the roll paper transported, a tension applying unit configured to apply tension to the medium between the transport roller and the winding unit, and a control unit configured to control the tension applying unit. The control unit is configured to control the tension applying unit to maintain a state where the tension is released, at least during an acceleration period of rotation of the transport roller within a period in which the transport roller applies a transporting force to the roll paper.

The printer has a closed state where the printing head portion and the damper portion are positioned on a position printable on the print mediums, and an open state where the printing head portion and the damper portion are positioned on a position separated from the print mediums. In a case of a transition from the closed state to the open state, the printing head portion and the damper portion behave in conjunction, and in a case of a transition from the open state to the closed state, the damper portion and the printing head portion independently behave.

The printer has a closed state where the printing head portion and the damper portion are positioned on a position printable on the print mediums, and an open state where the printing head portion and the damper portion are positioned on a position separated from the print mediums. In a case of a transition from the closed state to the open state, the printing head portion and the damper portion behave in conjunction, and in a case of a transition from the open state to the closed state, the damper portion and the printing head portion independently behave.

The present invention relates to a web film movement compensating device for a web film movement compensation between continuous forward movement section and intermittent forward movement section comprising two guide rollers (1, 2) rotating freely in stationary positions between a continuous driving device (5) and an intermittent driving device (6), two compensation rollers (3, 4) rotating freely on two respective pivoting arms (7, 8) oscillating about pivot shafts (11, 12), an elastic element (9) connected to one of the pivoting arms to actuate the corresponding compensation roller to move away from the guide rollers, and a movement transmission mechanism including lever arms and transmission rods (13, 14, 15) transmitting an oscillating movement from one of the pivoting arms (7, 8) to the other. A web film (50) moved by the driving devices is supported on the guide rollers (1, 2) and on the compensation rollers (3, 4) forming a meander.

The present invention relates to a web film movement compensating device for a web film movement compensation between continuous forward movement section and intermittent forward movement section comprising two guide rollers (1, 2) rotating freely in stationary positions between a continuous driving device (5) and an intermittent driving device (6), two compensation rollers (3, 4) rotating freely on two respective pivoting arms (7, 8) oscillating about pivot shafts (11, 12), an elastic element (9) connected to one of the pivoting arms to actuate the corresponding compensation roller to move away from the guide rollers, and a movement transmission mechanism including lever arms and transmission rods (13, 14, 15) transmitting an oscillating movement from one of the pivoting arms (7, 8) to the other. A web film (50) moved by the driving devices is supported on the guide rollers (1, 2) and on the compensation rollers (3, 4) forming a meander.

The invention relates to an automated device to transfer and thread a bearing band (3) on a fixed reel (2) from a removable reel (1), said reels (1,2) being joined and integral to corresponding shafts (4,5), wherein said device comprises a folding arm (6) adapted to perform a translational movement, which in turn comprises a hook (7) and a carriage (8) configured to move the arm (6) horizontally between both reels (1,2), and wherein the device further comprises a tensioning roller (10) adapted to move vertically through an intermediate column (11), such that it allows the first bearing band (3) to be transferred between reels (1,2) automatically in order to finally wind a second bearing band (12) with the first bearing band (3) onto the removable reel (1) automatically and simultaneously.

A feeding apparatus includes a roll support unit configured to rotatably support a roll sheet which is a sheet wound into a roll form, a drive unit configured to rotate the roll sheet in a first rotation direction for feeding the sheet into a conveyance path and a second rotation direction, an abutment portion provided so as to be capable of abutting against an outer peripheral surface of the roll sheet at a first position, and a rotation member configured to abut against the outer peripheral surface at a second position. The rotation member at the second position does not rotate with the roll sheet when the roll sheet is rotated in the first rotation direction, and rotates with the roll sheet when the roll sheet is rotated in the second rotation direction.

A feeding apparatus includes a roll support unit configured to rotatably support a roll sheet which is a sheet wound into a roll form, a drive unit configured to rotate the roll sheet in a first rotation direction for feeding the sheet into a conveyance path and a second rotation direction, an abutment portion provided so as to be capable of abutting against an outer peripheral surface of the roll sheet at a first position, and a rotation member configured to abut against the outer peripheral surface at a second position. The rotation member at the second position does not rotate with the roll sheet when the roll sheet is rotated in the first rotation direction, and rotates with the roll sheet when the roll sheet is rotated in the second rotation direction.

An apparatus includes a first drive unit configured to rotate a roll sheet supported by a roll support unit in a predetermined rotation direction to feed the sheet into a conveyance path, an abutment portion provided so as to be capable of abutting against an outer peripheral surface of the roll sheet at a first position, and a rotation member provided so as to be capable of abutting against the outer peripheral surface at a second position. The first drive unit rotates the roll sheet in the direction to introduce, into the conveyance path, a leading edge of the sheet having passed between the first and second positions. The apparatus further includes a second drive unit configured to rotate the rotation member in a direction in which a slack of the sheet is formed between the first and second positions.