Record apparatus

Claim 2

An information recording apparatus for recording information on a sheet member by using a head member located at an information recording area, said apparatus comprising: a conveying roller for conveying a sheet member said conveying roller having a shaft portion; a recording device housing having a positioning section, said positioning section for supporting and positioning said shaft portion of said conveying roller; and a platen having a surface at a position corresponding to the information recording area and a support receiving portion for receiving support from said shaft portion of said conveying roller.

Claim 3

An apparatus according to claim 1, wherein said platen is rotatably supported about said shaft portion.

Claim 4

An apparatus according to claim 1, wherein said conveying roller and said platen are located on a same side of a sheet member conveyance route on which the sheet member is conveyed.

Claim 5

An apparatus according to claim 1, wherein a plurality of said support receiving portions are provided on said platen and at least one of said support receiving portions is supported on the shaft portion at both ends of said conveying roller.

Claim 6

An apparatus according to claim 1, wherein said conveying roller comprises a plurality of conveying surfaces divided in an axial direction and a plurality of support receiving portions are provided to be supported by said shaft portion at both ends of said conveying roller, said divided conveying surfaces being located between said support receiving portions.

Claim 7

An apparatus according to claim 1, wherein said platen is supported by said shaft portion to maintain a predetermined distance between said surface of said platen and the head member.

Claim 8

An apparatus according to claim 1, wherein said support receiving portion of said platen comprises a bearing fitted above and onto said shaft portion of said conveying roller.

Claim 9

An apparatus according to claim 1, wherein said recording device housing comprises a limiting section for limiting the rotation of said platen around said shaft portion of said conveying roller.

Claim 10

An apparatus according to claim 8, wherein said limiting section is fitted into a projection portion projecting in an axial direction of said conveying roller.

Claim 11

An apparatus according to claim 1, wherein said conveying roller is provided upstream of the information recording area with respect to a conveyance direction of the sheet member.

Claim 12

An apparatus according to claim 1, wherein said platen comprises an exhausting roller support portion for supporting an exhausting roller for exhausting the sheet member downstream of the information recording area with respect to a conveyance direction of said sheet member.

Claim 13

An apparatus according to claim 1, wherein said surface of said platen guides a leading end of the sheet member in a conveyance direction at the information recording area.

Claim 14

An apparatus according to claim 1, wherein the head member comprises an ink jet recording head for discharging ink through an ink discharge port to the sheet member.

Claim 15

An apparatus according to claim 1, wherein the head member comprises an ink jet recording head including an electrothermal converting element for generating thermal energy to heat and discharge ink through an ink discharge port to the sheet member.

Claim 16

A recording apparatus for recording on a recording medium with an ink jet recording head for discharging ink through an ink discharge port, said apparatus comprising: a recording medium conveyance route for conveying the recording medium; a support portion for supporting the ink jet recording head at one side of said recording medium conveyance route, said support portion supporting the ink jet recording head so that the recording medium is recordable in said recording medium conveyance route opposed to a discharge port surface on which the ink discharge port of the ink jet recording head is provided; a conveying roller located upstream of said support portion in said recording medium conveyance route and opposite to said support portion with respect to said recording medium conveyance route to convey the recording medium to an area opposed to said support portion, said conveying roller having a shaft portion; a recording apparatus housing having a positioning section, said positioning section for supporting and positioning said shaft portion of said conveying roller; and a platen located on a same side of said conveying roller with respect to said recording medium conveyance route and having a surface opposable to said support portion, a support receiving portion supported on said shaft portion of said conveying roller and a contacting portion for contacting said recording apparatus housing and limiting rotation of said platen around said shaft portion of said conveying roller.

Claim 17

A recording apparatus for recording on a recording medium with an ink jet recording head for discharging ink through an ink discharge port, said apparatus comprising: a recording medium conveyance route for conveying the recording medium; a support portion for supporting the ink jet recording head at one side of said recording medium conveyance route, said support portion supporting the ink jet recording head so that the recording medium is recordable in said recording medium conveyance route opposed to a discharge port surface on which the ink discharge port of the ink jet recording head is provided; a conveying roller located upstream of said support portion in said recording medium conveyance route and opposite to said support portion with respect to said recording medium conveyance route to convey the recording medium to an area opposed to said support portion, said conveying roller having a shaft portion; a recording apparatus housing having a positioning section, said positioning section for supporting and positioning said shaft portion of said conveying roller; and a platen located on a same side of said conveying roller with respect to said recording medium conveyance route and having a surface opposable to said support portion, a support receiving portion supported on said shaft portion of said conveying roller and a contacting portion for contacting said recording apparatus housing and limiting rotation of said platen around said shaft portion of said conveying roller.

Claim 18

An apparatus according to claim 15, wherein said platen is rotatably supported about the shaft portion.

Claim 19

An apparatus according to claim 15, wherein said platen is supported by said shaft portion to maintain a predetermined distance between said surface of said platen and said support portion.

Claim 20

An apparatus according to claim 15, wherein said support receiving portion of said platen comprises a bearing fitted above and onto said shaft portion of said conveying roller.

Claim 21

An apparatus according to claim 15, wherein said platen further comprises an exhausting roller support portion for supporting an exhausting roller for exhausting the recording medium downstream of said support portion with respect to a conveyance direction of the recording medium.

Claim 22

An apparatus according to claim 15, wherein said surface of said platen guides a leading end of the recording medium in a conveyance direction at said support portion.

Claim 23

An apparatus according to claim 15, wherein the ink jet recording head comprises an electrothermal converting element for generating thermal energy to heat and discharge ink through the ink discharge port to the recording medium.