Sheet feeding or delivering – Delivering – By endless conveyor
Patent
1981-06-29
1983-04-26
Reeves, Robert B.
Sheet feeding or delivering
Delivering
By endless conveyor
198456, 198817, 271221, 271240, B65H 2966, B65H 3138
Patent
active
043811086
ABSTRACT:
A jogger for aligning signatures fed in shingled relation on a delivery belt. The delivery belt is straddled by a pair of upstanding guide belts presenting opposed faces to the edges of the signatures. Each guide belt has an upstream sheave and a downstream sheave mounted on vertical shafts and which are driven in unison with one another and at the same speed as the delivery belt. The guide belts are convergently arranged, with the downstream sheaves being spaced to define between them a discharge opening having the width of the stream in the aligned state. The upstream sheaves are spread apart with respect to the downstream sheaves by substantially the same amount of offset to define a funnel-like entryway adequate to accommodate entry of the stream in non-aligned condition with individual signatures irregularly displaced from the stream. A pulsating shifter is provided behind the presented faces of the belts and coupled to the driving means for repetitively moving the faces from a reference position to a thrown position in which the belts are angularly bowed mutually inwardly toward the stream, dividing each face into an upstream portion and a downstream portion. The throw of the shifter means is such that the downstream portion in its thrown position is substantially parallel to the direction of movement of the stream.
REFERENCES:
patent: 1448301 (1923-03-01), Hotchkiss
patent: 1733221 (1929-10-01), Fuller
patent: 2488551 (1949-11-01), Nordquist et al.
patent: 4015843 (1977-04-01), Tennant
patent: 4087001 (1978-05-01), Daisley
Hajec Donald
Reeves Robert B.
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