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Class Information
Number: 271/197
Name: Sheet feeding or delivering > Delivering > By pneumatic conveyor > Unidirectionally-moving suction member or surface > Including endless-belt conveyor and suction chamber
Description: Device wherein the surface is that of a closed-loop band which encircles two or more pulleys and moves adjacent a vacuum box that connects with a source of the vacuum that is applied to the surface of the band.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
4555013 Conveyor belt having vacuum system for retaining articles thereon Nov. 26, 1985
4548398 Collator Oct. 22, 1985
4534550 Apparatus for pulling apart flat products, especially printed products arriving in an imbricated product stream Aug. 13, 1985
4531929 Apparatus for printing, punching and/or cutting to size unwound cardboard pieces Jul. 30, 1985
4530632 Stacking apparatus for flexible, generally planar food products Jul. 23, 1985
4526360 Process and apparatus for feeding bands to a pack Jul. 2, 1985
4524963 Document handling device Jun. 25, 1985
4500243 Blank stacking apparatus Feb. 19, 1985
4480742 Method and apparatus for conveying and spreading material Nov. 6, 1984
4474367 Sheet handling apparatus and method of sheet handling for selective removal of sheets from a vacuum drum Oct. 2, 1984
4473431 Apparatus for making plastic material bags and for depositing them in groups Sep. 25, 1984
4452255 Apparatus for transporting and classifying discrete articles of the tobacco processing industry Jun. 5, 1984
4447817 Constant velocity copy sheet transport with ink jet printing May. 8, 1984
4436301 Document restack transport Mar. 13, 1984
4428572 Combined sheet inverter and sorter Jan. 31, 1984
4416531 Electrophotographic copying apparatus and subsystems therefor Nov. 22, 1983
4412738 Vacuum document feeder Nov. 1, 1983
4411420 Conveyor apparatus for the transportation of plates, strips or sheets of material on continuous belts Oct. 25, 1983
4384782 1 to N Order document copying May. 24, 1983
4368973 Recirculating document feeder Jan. 18, 1983
4364555 Sheet transfer apparatus Dec. 21, 1982
4328064 Apparatus for shingling tickets May. 4, 1982
4316565 Sheet transfer apparatus Feb. 23, 1982
4315621 Sheet collating deflector Feb. 16, 1982
4307661 Printer with sheet feeder having registering station and suction conveyor Dec. 29, 1981
4295737 Grooved belt document registration system Oct. 20, 1981
4294539 Document vacuum weir system Oct. 13, 1981
4294540 Document belt vacuum manifold Oct. 13, 1981
4291974 Dual mode document belt system Sep. 29, 1981
4285507 Ink jet printer Aug. 25, 1981
4275977 Apparatus and method for individual bag working and stacking Jun. 30, 1981
4270879 Sheet stacking apparatus Jun. 2, 1981
4235435 Sheet sorter Nov. 25, 1980
RE30419 Apparatus and method for transmitting elements to articles Oct. 21, 1980
4216955 Jam clearance mechanism for a traveling distributor in a collating system Aug. 12, 1980
4207579 Reciprocating paper handling apparatus for use in an ink jet copier Jun. 10, 1980
4200016 Apparatus for forming a horizontal stack of vertically oriented sheets Apr. 29, 1980
4189140 Sheet stacking apparatus Feb. 19, 1980
4157177 Apparatus for converting a stream of partly overlapping sheets into a stack Jun. 5, 1979
4096941 Conveyor system for a cutter for a web of corrugated fiberboard Jun. 27, 1978
4089725 Apparatus and method for transmitting elements to articles May. 16, 1978
4062535 Apparatus for handling sheets of material Dec. 13, 1977
4055111 Envelope machine Oct. 25, 1977
4047474 Apparatus for separating and stacking blanks of a die cut sheet Sep. 13, 1977
4046613 Matrix label applicator Sep. 6, 1977
4030727 Sheet transfer device for printing presses Jun. 21, 1977
4027873 Sheet handling apparatus Jun. 7, 1977
4027870 End for end document inverter Jun. 7, 1977
4022366 Sheet handling apparatus May. 10, 1977
RE29124 Sheet transport system Jan. 25, 1977

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