| 摘要 |
A support unit 10 for data processing equipment comprises a support member 15 which is mounted on a pivotal arm 30 and which remains horizontal as it is raised and lowered. Arm 30 is pivotally connected at pivots 31, 51 to a mounting member 20 and support member 15, and has bushes 56, 56' carrying an axially slidable rod 34 biassed by an adjustable coil spring 57; rod 34 is connected to members 20, 15 by means of links 33, 53, the pivotal connections 32, 52 being offset from pivots 31, 51. Support member 15 may be mounted on arm 30 by a telescopic shaft 40. The entire support unit may rotate about a vertical pivot (21, Fig. 1 not shown). <IMAGE> |
