| 发明名称 | Line printer hammer banks | ||
| 摘要 | In one embodiment, a hammer bank for a line printer includes a back plate having a front surface, a back surface and a uniform thickness between the front and back surfaces. At least one hammer is disposed in front of the back plate. The at least one hammer is spring-biased for forward movement and away from the back plate and is releasably retained against such forward movement by a magnetic force acting rearwardly thereon. An elongated pole piece that is associated with the at least one hammer extends forwardly from the front surface of the back plate and is selectively operable to interrupt the magnetic force acting thereon. | ||
| 申请公布号 | US8789922(B2) | 申请公布日期 | 2014.07.29 |
| 申请号 | US201314142247 | 申请日期 | 2013.12.27 |
| 申请人 | Printronix, Inc. | 发明人 | Gemmell John W.;Sharma Rohit;Concepcion, Jr. Rudy |
| 分类号 | B41J2/155 | 主分类号 | B41J2/155 |
| 代理机构 | Haynes and Boone, LLP | 代理人 | Haynes and Boone, LLP |
| 主权项 | 1. A line printer hammer bank, comprising: a back plate having a front surface, a back surface and a uniform thickness between the front and back surfaces; at least one hammer disposed in front of the back plate, the at least one hammer being spring-biased for forward movement away from the back plate and releasably retained against such forward movement by a magnetic force acting rearwardly thereon; and, an elongated pole piece extending forwardly from the front surface of the back plate, the pole piece being associated with the at least one hammer and selectively operable to interrupt the magnetic force acting thereon. | ||
| 地址 | Irvine CA US | ||