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US 7,083,562 B2Granted
Geared folding apparatus
AssigneeKoenig & Bauer Aktiengesellschaft
InventorWolfgang Joos
Life of this patent
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Abstract
A folding apparatus utilizes a primary drive motor, at least one cylinder that is driven for rotation by the primary drive motor, and a pair of folding rollers. The folding rollers can be driven for rotation by an auxiliary motor. The folding rollers can be coupled to the rotation of the cylinder by a differential drive that includes three drive take-off members. One of these is connected to each of the cylinder, the auxiliary motor, and the folding rollers.
Claims12
A geared folding apparatus comprising:
- at least one pair of folding rollers;
- means for rotating said at least one pair of folding rollers at a folding roller circumferential speed;
- a folding cylinder cooperating with said folding rollers;
- means for rotating said folding cylinder at a folding cylinder circumferential speed;
- and
- means for infinitely adjusting a ratio between said folding roller circumferential speed and said folding cylinder circumferential speed.
3 more elements
Dependencies are inferred from the claim text.