| 摘要 |
In a random access retrieval apparatus having disc/radial selection and path length compensation systems a bearing and guide means permitting and transmitting high speed linear, angular and rotational motion among a rotating shaft, a frame and a driven element. A first bearing element mounted on a shaft for rotational movement therewith and linear movement there along, a second bearing element supporting the frame for angular motion relative to the shaft and first bearing element and for linear movement with the first bearing element and relative to the shaft.
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