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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
5322273 Sheet registration mechanism Jun. 21, 1994
5322269 Apparatus for feeding sheets separately using an electrostatic separator and separating member Jun. 21, 1994
5318285 Roller/guide plate assembly for ninety degree document transfer unit Jun. 7, 1994
5307546 Apparatus for feeding a fiber batt to a needle loom May. 3, 1994
5303910 Pick-up means for use with limp sheet material Apr. 19, 1994
5299371 Belt transport system including dog-ear removing elements Apr. 5, 1994
5299798 Sheet feeding device for an image forming apparatus Apr. 5, 1994
5289206 Recording paper feeding portion in an XY plotter Feb. 22, 1994
5288062 High capacity compiler with vertically adjustable sheet discharge and acquire means Feb. 22, 1994
5282614 Rotation of a document through a finite angle Feb. 1, 1994
5275096 Apparatus for high speed calendering Jan. 4, 1994
5269509 Sheet registration device Dec. 14, 1993
5270778 Sheet curl control apparatus Dec. 14, 1993
5265868 Sheet feeder Nov. 30, 1993
5265867 Signature conveyor with diverging belts and beveled edge support Nov. 30, 1993
5241331 Sheet conveyor apparatus with slip transmission Aug. 31, 1993
5201514 Apparatus for decurling a sheet Apr. 13, 1993
5199701 Carrier apparatus using ultrasonic actuator Apr. 6, 1993
5199702 Sheet transport apparatus Apr. 6, 1993
5193800 Apparatus for conveying paper in a printer Mar. 16, 1993
5190282 Multi-pass sorting machine Mar. 2, 1993
5182534 Sheet guiding apparatus and an image forming apparatus using same Jan. 26, 1993
5181715 Sheet conveying unit and system using the same Jan. 26, 1993
5180157 Self contained transport apparatus with drawer mount Jan. 19, 1993
5176375 Sheet feeding apparatus Jan. 5, 1993
5176373 Sheet feeding unit incorporating a curl inducing mechanism Jan. 5, 1993
5169136 Automatic paper feeder employing a lost motion mechanism Dec. 8, 1992
5163675 Sheet feed mechanism for plotter Nov. 17, 1992
5161794 Sheet conveying device with an overload protection feature Nov. 10, 1992
5158274 Group supervisory system for moving sheets between multiple automatons Oct. 27, 1992
5158279 Magnetic clutch with adjustable slip torque Oct. 27, 1992
5152512 Sheet receiving apparatus, sheet delivery apparatus and automatic transaction apparatus having an extensible sheet transfer path Oct. 6, 1992
5152522 Sheetlike article conveying roller assembly Oct. 6, 1992
5150891 Shingle device for use in multi-pass sorting machine Sep. 29, 1992
5149081 Feed table unit of a sheet-fed printing machine Sep. 22, 1992
5145169 Roll feed device Sep. 8, 1992
5137270 Customer installable bypass sheet transport with cover assembly and locating springs Aug. 11, 1992
5131648 Image recording apparatus inhibiting recording of abnormally-fed sheets Jul. 21, 1992
5130754 Conveying rotatable member and conveying apparatus Jul. 14, 1992
5125330 Process for pressing folded printing products Jun. 30, 1992
5121916 Article of manufacture for use in letter processing apparatus Jun. 16, 1992
5110115 Document transport and detection apparatus May. 5, 1992
5103322 Scanner with retractable roller feed Apr. 7, 1992
5090674 Image forming apparatus Feb. 25, 1992
5083766 Automatic sheet feeding device having a miniaturized structure Jan. 28, 1992
5069442 Transport device for paper sheets of varying or different widths and thickness Dec. 3, 1991
5054767 Conveying apparatus for paper products, in particular in stream form Oct. 8, 1991
5044621 Automatic film-loading device for sheet-film cassettes Sep. 3, 1991
5040781 Sheet member feeding apparatus having cut-outs to protect document tips Aug. 20, 1991
5031896 Sheet detector Jul. 16, 1991

1 2 3 4 5 6 7 8 9 10 11










 
 
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