Method for holding sheet material, and image recording apparatus
AssigneeFuji Photo Film Co., Ltd.
InventorTakashi Fukui
Life of this patent
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Abstract
A method for holding a sheet material wound around a circumferential surface of a rotating drum and an image recording apparatus are provided. When at least one of a leading edge and a trailing edge of the sheet material, which is fed in a direction tangential to the rotating drum, is nipped between the circumferential surface of the rotating drum and chucks, nipping by the chucks is sequentially effected from one axial-direction end of the rotating drum to the other axial-direction end of the rotating drum.
Claims22
A method for holding a sheet material wound around a circumferential surface of a rotating drum, comprising the steps of:
- (a) feeding the sheet material to the circumferential surface of the rotating drum from a direction tangential to the circumferential surface of the rotating drum;
- and
- (b) nipping at least one of a leading edge and a trailing edge of the fed sheet material between a plurality of chucks arranged in a line along an axial direction of the rotation drum and the circumferential surface of the rotation drum,
- wherein, when the sheet material is nipped between the circumferential surface of the rotating drum and the plurality of chucks, the sheet material is sequentially nipped from one axial-direction end of the rotating drum to the other axial-direction end of the rotating drum.
An image recording apparatus for recording an image on a sheet-like recording material by relative movement between a rotating drum which includes a circumferential surface, on which the recording material is wound, and a recording section disposed in correspondence to the circumferential surface of the rotating drum, comprising:
- clamp mechanisms disposed at an area on the circumferential surface of the rotating drum along an axial direction of the rotating drum, each clamp mechanism comprising a chuck that nips a leading edge of the recording material, which is fed from a direction tangential to the circumferential surface of the rotating drum, to the circumferential surface of the rotating drum;
- a moving mechanism, disposed so as to correspond to the chucks, for selectively moving the chucks into a nipping position, at which the recording material is nipped, or into a nip-release position, at which the recording material is released from being nipped;
- and
- a time-difference mechanism for moving the chucks into the nipping position in sequential order from the chuck disposed nearest one axial-direction end of the rotating drum to the chuck disposed nearest the other axial-direction end of the rotating drum.
A method for holding a sheet material wound around a circumferential surface of a rotating drum, comprising the steps of:
- (a) feeding the sheet material to the circumferential surface of the rotating drum from a direction tangential to the circumferential surface of the rotating drum;
- and
- (b) nipping at least one of a leading edge and a trailing edge of the fed sheet material between a plurality of chucks and the circumferential surface of the rotating drum,
- wherein, when the sheet material is nipped between the circumferential surface of the rotating drum and the plurality of chucks, predetermined lengths of the sheet material are sequentially nipped from one axial-direction end of the rotating drum to the other axial-direction end of the rotating drum.
An image recording apparatus for holding a sheet of material wound around a surface of a rotating drum and recording an image on the sheet of material, comprising:
- a plurality of clamp mechanisms including chucks disposed on the rotating drum;
- a moving mechanism for moving the chucks into a nipping position or into a nip-release position;
- and
- a time-difference mechanism for moving the chucks into the nipping position in sequential order from the chuck disposed nearest one axial-direction end of the rotating drum to the chuck disposed nearest the other axial-direction end of the rotating drum.
Dependencies are inferred from the claim text.