| 摘要 |
A signature inserter for a saddle gathering machine including a rotatable extractor drum for extracting a signature from a hopper and carrying it to a stop position on the periphery of the drum. A reciprocating dipper contacts the lower cut edge of the signature and moves the cut edge into a gripping position beside a transfer drum. A wiper vane mounted for rotation in a path adjacent the extractor and transfer drums wipes the lower edge of the signature onto the dipper and then rotates away from the signature. Grippers associated with the transfer drum grip the lower edge of the signature and carry it away from the extractor drum toward an opener drum. The transfer drum and opener drum cooperate to spread the signature and deposit it upon a saddle.
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