U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Method and apparatus for separating signatures from a stack

Patent 4555101 Issued on November 26, 1985. Estimated Expiration Date: Icon_subject March 13, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3275315

3552740

Inventor

Application

No. 06/588934 filed on 03/13/1984

US Classes:

271/12, Endless conveyor270/52.26, Saddle associating271/204, Suspension gripper271/277, Including gripper-couple271/35, Bottom feed271/95Having additional movement

Examiners

Primary: Eickholt, E. H.

Attorney, Agent or Firm

International Classes

B65H 5/32 (20060101)
B42B 9/00 (20060101)
B42B 9/04 (20060101)
B65H 3/26 (20060101)
B65H 3/00 (20060101)

Abstract

Apparatus and process for collating folded signatures which are removed from a stack of signatures and placed in parallel side-by-side relationship on saddle members. The saddle members move in a direction transverse to the folds in the signature, and thus spacing of the saddle members is close together and the entire apparatus and process can be performed at a high speed, in that arrangement. A signature pickup device is employed for removing the signatures from the stack in a stream relationship and delivering them directly to a collector where a flap opener can be employed for positioning the signature flaps on opposite sides of the collector saddle members.

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