发明名称 |
CYLINDRICAL SHAFT, TRANSPORT ROLLER, TRANSPORT UNIT AND PRINTING APPARATUS |
摘要 |
A cylindrical shaft which is formed in a cylindrical shape by pressing process in a state in which a pair of ends are opposite to each other is disclosed. A joint is formed between the pair of ends, and includes a plurality of intersection portions extending in a direction intersecting with an axial direction of the cylindrical shaft, a first straight portion connecting the ends of one side each of the pair of adjacent intersection portions, and a second straight portion connecting the ends of the other sides of the pair of adjacent intersection portions and being shorter than the first straight portion. A distance between the pair of ends at the first straight portion is shorter than a distance between the pair of ends at the second straight portion.
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申请公布号 |
US2010209170(A1) |
申请公布日期 |
2010.08.19 |
申请号 |
US20100704459 |
申请日期 |
2010.02.11 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
SAITO KOICHI;ONO KATSUNORI;OZAWA KENJI |
分类号 |
B41J13/02;B65G13/00;B65G13/06;F16C3/00 |
主分类号 |
B41J13/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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