Signature hopper with lap straightening device

Details Signature hopper with lap straightening device Signature hopper with lap straightening device

2011-04-26

2011-04-26

Nicholson, III, Leslie A (Department: 3651)

Sheet-material associating

Associating or disassociating

Signature associating

C270S052200, C270S052230, C270S052250, C270S052160, C270S052290

Reexamination Certificate

active

07931261

ABSTRACT:
A signature hopper is provided comprising a first drum having a first gripper for a lead edge of a folded signature, a second drum having a second gripper for an open edge of the folded signature, the second gripper having a gripper finger with an end curled in a direction of rotation of the second drum, a dipper blade for pushing the open edge from the first drum toward the second drum so as to contact the gripper finger and a stationary signature guide spaced with respect to the first drum, the signature contacting the signature guide as the first drum rotates the signature past the signature guide.

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patent: 20 60 578 (1981-05-01), None
patent: 580 368 61 (A) (1983-03-01), None
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