Signature stacker employing swingable intercept means driven in

Details Signature stacker employing swingable intercept means driven in Signature stacker employing swingable intercept means driven in

1975-07-30

1977-07-26

Coan, James F.

Sheet feeding or delivering

Delivering

Rotary conveyor

93 93R, 271189, B31B 198

Patent

active

040375250

ABSTRACT:
A signature stacker having an infeed section for receiving a continuous stream of signatures arranged in overlapping fashion to form either compensated or uncompensated bundles having a predetermined and precise number of signatures. Counter means in the infeed section counts each signature in the stream to generate a signal upon accumulation of a predetermined count to activate a retractable stop means which enables a preloaded swingable intercept blade to be abruptly urged into the path of the signature stream which is passing from the infeed conveyor towards a reciprocating blade assembly. The signatures for the bundle being completed are deposited by a downwardly moving reciprocating stacking blade assembly upon the bundle holding bucket of an outfeed assembly, said intercept blade passing through the intercept region for a period sufficient to enable the stacking blade assembly to move downwardly to deposit a completed bundle (or bundle portion) and to return to the uppermost position in readiness for receiving the next group of signatures.

REFERENCES:
patent: 2819661 (1958-01-01), Howdle et al.
patent: 3306173 (1967-02-01), Robinson
patent: 3479932 (1969-11-01), Stal et al.
patent: 3526170 (1970-09-01), Oderman et al.
patent: 3617055 (1971-11-01), Stal
patent: 3772972 (1973-11-01), Dutro et al.
patent: 3908985 (1975-09-01), Wiseman

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