发明名称 Ribbon feed device
摘要 A ribbon feed device includes; a drive gear capable of rotating about a first shaft in clockwise and counter-clockwise directions by a rotation force transmitted from a drive source; a ribbon feed gear for feeding an ink ribbon capable of rotating about a second shaft; and an intermediate gear which swings about the first shaft while meshing with the drive gear, meshes with the ribbon feed gear at a first position during the rotation of the drive gear in the clockwise direction, meshes with the ribbon feed gear at a second position during the rotation of the drive gear in the counter-clockwise direction, and renders the ribbon feed gear rotate always in the same direction irrespective of the rotation direction of the drive gear.
申请公布号 US4762434(A) 申请公布日期 1988.08.09
申请号 US19870032999 申请日期 1987.03.30
申请人 CANON KABUSHIKI KAISHA 发明人 HIRANO, HOROFUMI
分类号 B41J33/32;B41J33/22;B41J33/34;B41J33/36;B41J33/38;(IPC1-7):B41J33/22 主分类号 B41J33/32
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