What is claimed is:
1. A device for adjusting conveyors for printing presses that process flat products or for further processing units arranged downstream therefrom, comprising:
a plurality of individual belts for transporting the flat products;
at least one shaft accommodated in the further processing unit, the at least one shaft having at least one stationary element guiding at least one first belt of the individual belts; and
movable receiving elements supported on the at least one shaft, the movable receiving elements being symmetric with respect to a machine center, the movable receiving elements guiding, driving, and retaining under constant prestressing at least second and third belts of the individual belts.
2. The device as recited in claim 1 wherein the receiving elements are driven on the shafts.
3. The device as recited in claim 1 wherein the receiving elements are supported on cylindrical or slide-type receiving members.
4. The device as recited in claim 3 wherein, to laterally adjust acting drives, the cylindrical or slide-type receiving elements are provided as threaded spindles having contrary-sense threaded sections.
5. The device as recited in claim 4 wherein the threaded spindle extends through the receiving elements.
6. The device as recited in claim 4 further comprising indirectly driving spindle adjusting forks connected to the receiving elements.
7. The device as recited in claim 4 wherein the receiving elements guiding the individual belts are capable of being directly driven on contrary-sense threaded sections of the adjusting shaft.
8. The device as recited in claim 7 wherein the receiving elements used for guiding the individual belts are supported so as to be locked against rotation in the side wall of the further processing unit.
9. The device as recited in claim 1 wherein outer individual belts of the plurality of belts are movable, individually or in pairs, in the lateral direction.
10. A web-processing machine having devices for adjusting conveyors for flat products comprising:
a plurality of individual belts to transport the flat products,
at least one shaft accommodating in a further processing unit having at least one stationary element guiding at least a first of the individual belts; and
movable receiving elements supported on the at least one shaft symmetric with respect to a machine center, the movable receiving elements guiding, driving, and retaining under constant prestressing at least second and third of the individual belts.
11. A folder having a device for adjusting conveyors for flat products comprising:
a plurality of individual belts for transporting the flat products,
at least one shaft having at least one stationary element guiding at least a first of the individual belts; and
movable receiving elements supported, symmetrically with respect to a machine center, on the at least one shaft, the movable receiving elements guiding, driving, and retaining under constant prestressing, at least second and third of the individual belts.
12. A pinless folder having a devices for adjusting conveyors for flat products comprising:
a plurality of individual belts for transporting the flat products;
at least one shaft having at least one stationary element guiding at least a first of the individual belts; and
movable receiving elements supported, symmetrically with respect to a machine center, on the at least one shaft, the movable receiving elements guiding, driving, and retaining under constant prestressing, at least second and third of the individual belts.
13. A web-processing rotary press with further processing units with devices for adjusting conveyors for flat products comprising:
a plurality of individual belts for transporting the flat products;
at least one shaft accommodated in the further processing unit having at least one stationary element guiding the individual belts; and
movable receiving elements supported, symmetrically with respect to a machine center, on the at least one shaft, the movable receiving elements guiding, driving, and retaining under constant prestressing the individual belts.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A projection system comprising a projection light source and a color wheel, wherein the projection light source comprises a solid state light source, configured to generate a solid state light source beam having a solid state light source beam cross-section, wherein upstream of the color wheel beam shaping optics are arranged, configured to shape the solid state light source beam cross-section to a predefined shape, preferably to a rectangular cross-section, and wherein the color wheel comprises a luminescent material, excitable by the solid state light source beam and configured to generate, upon excitation by the solid state light source beam, visible light for projection on an image panel, the color wheel comprising at least two regions with mutually different luminescent material configured to generate mutually different spectra of visible light upon excitation by the solid state light source beam, characterized in that the regions are arranged at different distances from an axis of rotation of the color wheel and in that the regions are in a ring-like form.
2. The projection system according to claim 1, wherein the beam shaping optics comprise a fly eye integrator or a diffractive optical element.
3. The projection system according to claim 1, wherein the solid state light source is selected from the group consisting of a laser diode and a LED.
4. The projection system according to claim 1, wherein the luminescent material is comprised in or on a ceramic body.
5. The projection system according to claim 1, wherein the projection system further comprises a collector, especially a reflective collector, arranged downstream of the color wheel, and configured to collect the visible light from the luminescent material and configured to reflect the visible light in the direction of the image panel, wherein the image panel comprises a digital light processing (DLP) unit.
6. The projection system according to claim 1, characterized in that in order of increasing Stokes shift the luminescent materials are arranged at increasing distances from the axis of rotation.
7. The projection system according to claim 6, wherein downstream of the color wheel a collector is arranged, configured to allow transmission of the solid state light source beam and configured to collect visible light from the luminescent material for projection on an image panel.
8. The projection system according to claim 7, wherein the collector comprises a compound parabolic concentrator (CPC).
9. The projection system according to claim 7, wherein the projection system is a 3LCD based system.
10. The projection system according to claim 9, comprising optics configured to direct collected visible light from the luminescent materials to the 3LCD unit.
11. The projection system according to claim 1, wherein the solid state light source is configured to generate blue light.
12. The projection system according to claim 1, comprising a projection light source unit and a 3LCD unit, wherein the projection light source unit comprises:
a plurality of solid state light sources, each configured to generate a solid state light source beam,
a plurality of collectors, each having a first end and an opposite second opening,
distributors to distribute the solid state light source beams over the collectors and to direct the distributed solid state light source light beams through the second collector openings in the direction of the first ends,
luminescent material arranged at the first end, wherein the luminescent material is configured to generate, upon excitation by the solid state light source beam, visible light, and wherein the collector is configured to collect the visible light to form an emission beam;
wherein the projection light source unit is further configured to provide the plurality of emission beams to the 3LCD unit.
13. A color wheel comprising at least two regions with mutually different luminescent material configured to generate mutually different spectra of visible light upon excitation by the solid state light source beam, and wherein the regions are arranged at different distances from an axis of rotation of the color wheel, wherein in order of increasing Stokes shift the luminescent materials are arranged at increasing distances from the axis of rotation.
14. The color wheel according to claim 13, wherein the color wheel comprises three regions with RGB luminescent materials, respectively, or wherein the color wheel comprises two regions with RG luminescent materials, respectively, and one region with reflective material.