| 摘要 |
<p>A serial impact printer includes a platen (10) for supporting an image receptor, the platen having a central shaft (60) and a cylindrical impact absorbing sleeve secured thereto. A platen mounting arrangement is provided which is capable of withstanding rapidly repeating, long duration, high impact loads without generating extraneous noise. The ends of the shaft are journalled in bearings (62, 64) which are captured in seats (84) capable of withstanding, without distortion, a high impact printing force in the impacting direction, and are retained in the seats by spring (92) biased arms (88) which carry rollers (86) that act on the ends of the shaft (60) and restrain the ends of said shaft from rebound movement in a second direction substantially opposite to the impacting direction.</p> |
