| 摘要 |
A system removes and conveys a sample copy from a fast moving, orderly material flow of printed materials without disturbing the other products in the material flow. The apparatus includes a power driven conveyor and a conveying chain mounted on guide pulleys, with one of the pulleys located adjacent the material flow. A gripper is coupled to the chain and has a cushioning spring. A cushioning clamp engages and pretensions the cushioning spring to engage a selected sample copy. A control regulates operation of the gripper and clamp in response to detection of individual products and their speed.
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