| 发明名称 |
Retractable pin sprocket wheel assembly |
| 摘要 |
A platen assembly, including a cylindrical platen, for advancing a web of record material through a printing device, the record material having perforations along its borders for receiving pins disposed in pin sprocket wheel assemblies mounted on opposite ends of the platen.
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| 申请公布号 |
US4571104(A) |
申请公布日期 |
1986.02.18 |
| 申请号 |
US19840615980 |
申请日期 |
1984.05.31 |
| 申请人 |
AT&T TELETYPE CORPORATION |
发明人 |
JUNG, WERNER;PURZYCKI, ALFRED Z. |
| 分类号 |
B65H20/20;B41J11/26;B41J11/27;(IPC1-7):B41J11/27 |
主分类号 |
B65H20/20 |
| 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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