US2025033912A1PendingUtilityA1

Image recording apparatus and sheet end moving method

Assignee: BROTHER IND LTDPriority: Jul 28, 2023Filed: Jul 26, 2024Published: Jan 30, 2025
Est. expiryJul 28, 2043(~17 yrs left)· nominal 20-yr term from priority
Inventors:Yuya Tatematsu
B65H 2601/254B65H 2601/255B65H 2801/12B65H 2404/1441B65H 35/0086B65H 7/00
58
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Claims

Abstract

There is provided an image recording apparatus including: a feed tray configured to accommodate a roll body including a sheet medium wound in a roll shape, the feed tray having a support surface configured to support the sheet medium unwound from an accommodated roll body being the roll body accommodated in the feed tray; a casing; a cutter configured to cut the sheet medium, the cutter being disposed above the feed tray supported by the casing; a recorder; and a supplier configured to supply energy to the sheet medium in a time period in which the sheet medium is conveyed from the accommodated roll body to the cutter so as to move an end of the sheet medium toward the feed tray by the energy, the end being an end formed at a position between the cutter and the feed tray by cutting the sheet medium with the cutter.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . An image recording apparatus comprising:
 a feed tray configured to accommodate a roll body including a sheet medium wound in a roll shape, the feed tray having a support surface configured to support the sheet medium unwound from an accommodated roll body being the roll body accommodated in the feed tray;   a casing configured to support the feed tray movably;   a cutter configured to cut the sheet medium unwound from the accommodated roll body, the cutter being disposed inside the casing and above the feed tray supported by the casing;   a recorder configured to record an image on the sheet medium unwound from the accommodated roll body; and   a supplier configured to supply energy to the sheet medium unwound from the accommodated roll body in a time period in which the sheet medium unwound from the accommodated roll body is conveyed from the accommodated roll body to the cutter so as to move an end of the sheet medium unwound from the roll body toward the feed tray by the energy, the end being an end formed at a position between the cutter and the feed tray by cutting the sheet medium unwound from the accommodated roll body with the cutter.   
     
     
         2 . The image recording apparatus according to  claim 1 , wherein the supplier is configured to supply the energy to the sheet medium unwound from the accommodated roll body by making a state that a part, of the sheet medium, located between the accommodated roll body and the cutter is lifted. 
     
     
         3 . The image recording apparatus according to  claim 2 , wherein:
 the supplier includes:
 a driver configured to drive by receiving a driving force; and 
 a controller, and 
   the controller is configured to:
 control the driver so as to make the state that the part, of the sheet medium, located between the accommodated roll body and the cutter is lifted from the support surface; and 
 control the cutter so as to cut the sheet medium, under the state that the part, of the sheet medium, located between the accommodated roll body and the cutter is lifted from the support surface. 
   
     
     
         4 . The image recording apparatus according to  claim 3 , wherein:
 the driver includes a conveying roller pair configured to convey the sheet medium unwound from the accommodated roll body in a conveying direction, the conveying roller pair being disposed downstream of the cutter in the conveying direction; and   the controller is configured to control rotation of the conveying roller pair so as to make the state that the part, of the sheet medium, located between the accommodated roll body and the cutter is lifted from the support surface, by applying tension to the part, of the sheet medium, located between the accommodated roll body and the cutter.   
     
     
         5 . The image recording apparatus according to  claim 4 , wherein:
 the supplier further includes:
 a roller pair disposed upstream of the cutter in the conveying direction; and 
 a biasing part configured to bias one roller of the roller pair toward another roller of the roller pair, and 
   the controller is configured to control the rotation of the conveying roller pair in a state that the sheet medium is nipped by the conveying roller pair and is nipped by the roller pair.   
     
     
         6 . The image recording apparatus according to  claim 4 , further comprising a feeding roller configured to contact the part, of the sheet medium, located between the accommodated roll body and the cutter, at a first position, the feeding roller being configured to feed the sheet medium toward the cutter,
 wherein the feeding roller is configured to be lifted to a second position by the sheet medium to which the tension is applied, a distance in an up-down direction between the second position and the support surface of the feed tray being larger than a distance in the up-down direction between the first position and the support surface.   
     
     
         7 . The image recording apparatus according to  claim 6 , further comprising a guide configured to guide the part, of the sheet medium, located between the accommodated roll body and the cutter toward the cutter,
 wherein the guide is connected to the feeding roller in a manner that the guide is configured to move between a third position and a fourth position above the third position, the guide being arranged at the third position in a case where the feeding roller is arranged at the first position, the guide being arranged at the fourth position in a case where the feeding roller is arranged at the second position.   
     
     
         8 . The image recording apparatus according to  claim 4 , wherein:
 the supplier further includes a load member disposed upstream of the cutter in the conveying direction, the load member being configured to apply a load to the sheet medium being conveyed by the conveying roller pair;   the driver is configured to be in a first state and a second state selectively, a load applied to the sheet medium by the load member in a case where the driver is in the second state being greater than a load applied to the sheet medium by the load member in a case where the driver is in the first state; and   the controller is configured to:   control the driver so that the sheet medium is conveyed in a state that the driver is in the first state, and then   control the driver so that the driver changes from the first state to the second state, and then   cut the sheet medium by the cutter.   
     
     
         9 . The image recording apparatus according to  claim 3 , wherein a length obtained by subtracting a second length of the sheet medium from a first length of the sheet medium is same as or greater than a length along a conveyance route of the sheet medium from an upper end of the feed tray to the cutter, the first length of the sheet medium being a length, of the sheet medium, from the accommodated roller body to the cutter in the state that the part, of the sheet medium, located between the accommodated roller body and the cutter is not lifted, the second length of the sheet medium being a length, of the sheet medium, from the accommodated roller body to the cutter in the state that the part, of the sheet medium, located between the accommodated roller body and the cutter is lifted. 
     
     
         10 . A sheet end moving method of moving an end of a sheet medium toward a feed tray in an image recording apparatus, the image recording apparatus including:
 the feed tray configured to accommodate a roll body including a sheet medium wound in a roll shape, the feed tray having a support surface configured to support the sheet medium unwound from an accommodated roll body being the roll body accommodated in the feed tray;   a casing configured to support the feed tray movably;   a cutter configured to cut the sheet medium unwound from the accommodated roll body, the cutter being disposed inside the casing and above the feed tray supported by the casing; and   a recorder configured to record an image on the sheet medium unwound from the accommodated roll body,   wherein the end is an end formed at a position between the cutter and the feed tray by cutting the sheet medium unwound from the accommodated roll body with the cutter,   the method comprising supplying energy to the sheet medium unwound from the accommodated roll body in a time period in which the sheet medium unwound from the accommodated roll body is conveyed from the accommodated roll body to the cutter so as to move the end, of the sheet medium unwound from the roll body, formed by the cutting toward the feed tray by the energy.

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