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Class Information
Number: 271/272
Name: Sheet feeding or delivering > Feeding > By means to convey sheet (e.g., from pack to operation) > Between superposed conveyor couple
Description: Device wherein the sheet-moving means comprises two elements, each of which elements has an endless, orbitally-moving surface, the surface of one element being opposite to and spaced from the surface of the other element during at least a portion of their movement and the surfaces moving in the same direction and engaging opposite surfaces of a sheet lying therebetween during said portion of movement.










Sub-classes under this class:

Class Number Class Name Patents
271/273 Having means to permit separation of couple 453


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
4607836 Copying machine Aug. 26, 1986
4548394 Copying paper conveying device in electrostatic copying apparatus Oct. 22, 1985
4544151 Transfer device for film card Oct. 1, 1985
4542414 Original reading apparatus Sep. 17, 1985
4534550 Apparatus for pulling apart flat products, especially printed products arriving in an imbricated product stream Aug. 13, 1985
4526364 Sheet feeding mechanism for duplicating machine with duplexing capability Jul. 2, 1985
4513959 Sheet deceleration apparatus Apr. 30, 1985
4506878 Dual directional document drive apparatus Mar. 26, 1985
4502804 Paper feeding and guiding system Mar. 5, 1985
4486014 Apparatus for discharging sheets of paper Dec. 4, 1984
4480825 Sheet set separator for electrophotographic copier Nov. 6, 1984
4446962 Conveying device with pusher fingers May. 8, 1984
4441703 Press delivery system with precision product timing and alignment Apr. 10, 1984
4425694 Self-adjusting roller and method of use Jan. 17, 1984
4402497 Apparatus for unstacking a pile of sheets Sep. 6, 1983
4382594 Device for dispensing sheet material out of a closed receptacle May. 10, 1983
4380333 Sheet material guiding means Apr. 19, 1983
4373712 Apparatus for transporting sheet material Feb. 15, 1983
4365795 Sheet orthogonal-conveying method and device Dec. 28, 1982
4364554 Conveyor arrangement for mail sorting machines Dec. 21, 1982
4326915 Sheet de-curler Apr. 27, 1982
4320963 Original feeding system Mar. 23, 1982
4302002 Sheet transportation belt apparatus Nov. 24, 1981
4275809 Card conveyor with rope belt drive Jun. 30, 1981
4262897 Vertical-to-horizontal conveyor system Apr. 21, 1981
4256299 Multiple sheet sensor and deflector Mar. 17, 1981
4249552 Automatic money handling device Feb. 10, 1981
4245835 Sheet storing apparatus Jan. 20, 1981
4244642 Aperture card reader with automatic and manual card feed Jan. 13, 1981
4238066 Apparatus for stacking sheets in corner registration Dec. 9, 1980
4233931 Envelope feed apparatus Nov. 18, 1980
4214745 Safety guard for sheet feeding mechanisms Jul. 29, 1980
4214740 Sheet reversing mechanism Jul. 29, 1980
4195832 X-ray photographic apparatus Apr. 1, 1980
4188025 Offset sheet stacking apparatus Feb. 12, 1980
4180338 Automatic embossing system with document transfer Dec. 25, 1979
4179112 Apparatus for conveying sheetlike original material to be copied Dec. 18, 1979
4174104 Conveyor for cards and similar articles Nov. 13, 1979
4167673 Sheet squaring device Sep. 11, 1979
4139980 Automatic film conveying and packing mechanism Feb. 20, 1979
4117699 Calenders for the thermal treatment of laminar material Oct. 3, 1978
4113380 Feeding and electrostatic holding originals in a copying machine Sep. 12, 1978
4106767 Conveyor system for flat articles Aug. 15, 1978
4105199 Paper feeder comprising a selectively drivable resilient body in frictional contact with a feed roller Aug. 8, 1978
4092099 Copier paper delivery means in a heat-fixing device of a copying machine May. 30, 1978
4089378 Copy paper exhausting roller unit for use in electrophotographic copying machine May. 16, 1978
4085929 Paper feeder including auxiliary belts for improving paper feeding Apr. 25, 1978
4057242 Paper money crimping apparatus Nov. 8, 1977
4050816 Document handling system Sep. 27, 1977
4018433 Sheet material transporting machine Apr. 19, 1977

1 2 3 4 5 6 7 8 9 10 11










 
 
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