Printing – Rolling contact machines – Rotary
Patent
1997-07-14
1998-08-25
Eickholt, Eugene H.
Printing
Rolling contact machines
Rotary
493405, 493424, B41F 500, B41F 108
Patent
active
057973199
ABSTRACT:
A drive device (10) for a folder in a printing press having a folding blade mounted to a folding blade shaft (12). A drive gear (16) drives a folding blade shaft gear (14). The drive device also includes a plunger (24) having an intermediate gear (28) between the gear (14) of the folding blade shaft (12) and the drive gear (16), and a device for moving the plunger (24) between a first longitudinal position and a second longitudinal position. In the first longitudinal position, the intermediate gear (28) meshes with the folding blade shaft gear (14). In the second longitudinal position, the intermediate gear (28) is out of register with the drive gear (16) to prevent the folding blade shaft gear (14) from being driven by the drive gear 16. The drive device (10) may also include a cam (38) and an indexing ring (56) operable in response to axial movement of the plunger (24) to cause the intermediate gear (28) to be moved from the first longitudinal position to the second longitudinal position. The cam (38) and indexing ring (56) are designed to index or rotate in response to axial movement of the plunger (24). The drive device (10) may also include an interlocking tang (48) and a collar (50) to prevent the folding blade shaft (12) from rotating when the folding blade shaft (12) is not being driven.
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Eickholt Eugene H.
Goss Graphic Systems Inc.
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