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![[Search a list of Patent Appplications for class 271]](../as.gif) Class 271 | SHEET FEEDING OR DELIVERING |
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![[List of Patents for class 271 subclass 1]](../ps.gif) | 1 | SPECIAL ARTICLES |
| | 3.01 | DELIVERING TO STACK AND FEEDING THEREFROM |
| | 3.02 |  Aligning at stack |
| | 3.03 | Intermediate tray |
| | 3.04 | With job divider (e.g., resettable bail bar or double bar separator) |
| | 3.05 | Feeding from bottom of stack |
| | 3.08 | Feeding from top of stack |
| | 3.12 | Sheets on edges |
| | 3.13 | With sheet sensor for selective location |
| | 3.14 | FEEDING AND DELIVERING |
| | 3.15 | Sensor located at the feeder and controls the delivering |
| | 3.17 | Sensor located at the delivering and controls the feeding |
| | 3.18 | Conveyor releases to subsequent conveyor |
| | 3.19 |  With alternate conveying path |
| | 3.2 | Including conveyor couple |
| | 3.21 | On peripheral face of drum or belt |
| | 3.23 | Including pneumatic conveyor |
| | 3.24 | Including gripper couple |
| | 4.01 | Separator and conveyor |
| | 5 | Pneumatic separator |
| | 6 | Continuous endless conveyor |
| | 4.02 | Sensor located at the separator and controls the conveyor |
| | 4.03 | Sensor located at the conveyor and controls the separator |
| | 4.04 | Mechanically linked for simultaneous operation |
| | 4.05 | Endless belt separator |
| | 4.08 | Rotary separator |
| | 4.11 | Reciprocating separator |
| | 7 | Continuous endless conveyors |
| | 8.1 | FEEDING |
| | 9.01 | Multiple supplies |
| | 9.02 | Sheet feeding from one supply controls feeding from another supply |
| | 9.05 | Supply selection (e.g., sheet color) |
| | 9.07 | Single separator acts on multiple supplies |
| | 9.09 | Including manual supply |
| | 9.1 | Including continuous web supply |
| | 9.11 | Superposed supplies |
| | 9.12 | Juxtaposed supplies |
| | 9.13 | With convergence to single path |
| | 10.01 | Separator and conveyor |
| | 11 | Pneumatic separator |
| | 16 | Buckling separator and endless conveyor |
| | 10.02 | Sensor located at the separator and controls the conveyor |
| | 10.03 | Sensor located at the conveyor and controls the separator |
| | 10.04 | Mechanically linked for simultaneous operation |
| | 10.05 | Selective drive (e.g., number of degree of rotation) |
| | 10.06 | Endless belt separator |
| | 10.09 | Rotary separator |
| | 10.14 | Reciprocating separator |
| | 18 | Separators |
| | 18.1 | Magnetic or electrostatic |
| | 18.3 | Surface-piercing element(s) |
| | 19 | Buckling |
| | 90 | Pneumatic |
| | 91 |  Plural, relatively-moving suction members |
| | 92 |  Laterally receding members (e.g., for tautening sheet laterally) |
| | 93 | Including members for separating and members for forwarding sheet |
| | 94 | Unidirectionally-moving suction member or surface |
| | 97 | Sheet removal by pressurized gas |
| | 99 | Suction member acting on bottom of pack |
| | 100 | Oscillating member bending margin of bottom sheet |
| | 102 | Suction member reciprocating perpendicularly to sheet |
| | 103 | Sheet-moving action of suction member results from engagement with sheet |
| | 104 | With means to restrain feed of next sheet |
| | 105 | Means effecting preliminary operation on sheets in pack |
| | 107 | Oscillating suction member |
| | 108 | Controlled by valve means |
