Jaw folding device for a jaw cylinder of jaw-type folder

Details Jaw folding device for a jaw cylinder of jaw-type folder Jaw folding device for a jaw cylinder of jaw-type folder

1986-11-21

1988-04-26

Eickholt, E. H.

Printing

Flexible-sheet-securing devices

B41F 128

Patent

active

047397047

ABSTRACT:
The present invention relates to a jaw folding device for a jaw cylinder of jaw-type folder and comprises a mother member detachably fixed in the groove formed in the cylinder, a fixed jaw plate fixed to the mother member, a controlled jaw plate so arranged as to contact to the fixed jaw plate a controlled jaw plate shaft for fixing the controlled jaw plate and pivotably supported on the mother member, an urging means for urging the controlled jaw plate to the fixed jaw plate and an angular control means for changing the angle of the controlled jaw plate shaft. The angular control means is actuated by a cam mechanism. The controlled jaw plate is isolated from the fixed jaw plate as the angular control means is actuated. The mother member of this jaw folding device can be easily dismounted from the cylinder drum so that the jaw folding device can be removed from the jaw-type folder to perform checking, maintenance, adjustment or replacement it.

REFERENCES:
patent: 4459913 (1984-07-01), Kowalik
patent: 4503772 (1985-03-01), Urakawa

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