US 6,655,276 B1 · Device for driving folding rolls

Abstract

A drive for two interacting folding rolls, the drive including a first drive-in gear, a first roll gear driven by the first drive-in gear, a first cover for sealing the first drive-in gear and the first roll gear, a second drive-in gear, a second roll gear driven by the second drive-in gear and adjustable with respect to the first roll gear, and a second cover for sealing the second drive-in gear and the second roll gear. Also provided is a method for sealing a drive of interacting first and second folding cylinders comprising the steps of sealing a first drive-in gear and a first cylinder gear of the first folding cylinder using a first cover, and sealing a second drive-in gear and a second cylinder gear of the second folding cylinder using a second cover, the first cylinder gear being adjustable with respect to the second cylinder gear.

Claims8

Dependent claims

A folder for a printing press comprising:

a first folding roll;
a second folding roll interacting with the first folding roll for processing signatures;
a first drive-in gear;
a first roll gear connected to the first folding roll and being driven by the first drive-in gear;
a first cover for sealing the first drive-in gear and the first roll gear;
a second drive-in gear;
a second roll gear connected to the second folding roll, the second roll gear being driven by the second drive-in gear and adjustable with respect to the first roll gear;
a second cover for sealing the second drive-in gear and the second roll gear;
and
a nip adjustment arm connected to the first folding roll through a bearing, the first cover being connected to the nip adjustment arm.

7 more elements

Dependencies are inferred from the claim text.

Device for driving folding rolls

Life of this patent

Device for driving folding rolls

Life of this patent

Abstract

Claims8