| Class 271 | SHEET FEEDING OR DELIVERING |
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![[List of Pre Grant Publications for class 271 subclass 1]](../as.gif) | ![[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 |
| | 30.1 | Pack advancer |
| | 33 | Adhesive |
| | 34 | Endless belt |
| | 109 | Rotary |
| | 37 | Preliminary protrusion |
| | 110 | Control of separator responsive to sensing of sheet |
| | 112 | Suction assisted |
| | 113 | Separator rotating in plane of foremost sheet |
| | 114 | Variably or intermittently driven |
| | 117 | Separator adjustable or retractable relative to pack |
| | 119 | Separator having non-uniform periphery |
| | 121 | With means to restrain feed of next sheet |
| | 122 | By restrainer having rearwardly moving surface |
| | 123 | By restrainer acting on rear end of sheet |
| | 124 | By adjustable restrainer |
| | 126 | With means to urge pack toward separator |
| | 42 | Reciprocating |
| | 128 | With pack advancer |
| | 131 | Bottom feed |
| | 132 | Suction assisted |
| | 133 | With means to prepare pack or bottom sheet for feeding |
| | 136 | With means to skip or stop feed |
| | 137 | With means to restrain feed of next sheet |
| | 139 | By pusher reciprocating variably or non-rectilinearly |
| | 141 | By pin (e.g., pointed) pusher |
| | 142 | By adjustable (e.g., for sheet thickness) pusher |
| | 143 | By self-aligning (e.g., yieldable) pushers |
| | 144 | Holder adjustable to size of sheet |
| | 225 | By means to change direction of sheet travel |
| | 226 | With means to align sheet |
| | 227 | Responsive to sheet-sensor |
| | 229 | With means to retard sheet before alignment |
| | 232 | Against aligner entering hole in sheet |
| | 233 | Against rear-edge aligner |
| | 234 | Against plural aligning assemblages |
| | 235 | For incremental travel against successive front-edge aligners |
| | 236 | For front and side alignment of sheet |
| | 239 | Plural aligners selectively used |
| | 240 | Oppositely-disposed side-edge aligners |
| | 241 | By aligning a sheet-holder and its sheets |
| | 242 | Against temporarily-stopped conveyer |
| | 243 | Against front-edge aligner moved in direction of sheet travel |
| | 245 | Against front-edge aligner interposed into sheet path |
| | 248 | Against aligner adjacent side edge of sheet |
| | 249 | By shifting aligner and gripper-couple laterally of sheet travel |
| | 250 | By means to shift sheet laterally against aligner |
| | 253 | With means to adjust position of aligner |
| | 256 | With means to interrupt feeding |
| | 258.01 | Responsive to sheet sensor |
| | 259 | Plural sensors |
| | 260 | Pneumatic sensors (e.g., to sense superposed sheets) |
| | 261 | Laterally spaced sensors (e.g., to sense misalignment) |
| | 262 | Excess-thickness sensor |
| | 258.02 | Interrupts feeding upstream only |
| | 258.03 | Single sensor with timer |
| | 258.04 | Sensor operates warning indicator |
| | 258.05 | Mechanical linkage |
| | 257 | Manually controlled (e.g., for alternate-cycle feed) |
| | 264 | By means to convey sheet (e.g., from pack to operation) |
| | 265.01 | Responsive to sheet sensor |
| | 266 | With intermittent movement of the sheet |
| | 267 | On oscillating or reciprocating conveyor |
| | 270 | With means to vary speed of conveyor sheet |
| | 271 | By rear-edge pusher |
| | 272 | Between superposed conveyor couple |
| | 275 | On peripheral face of drum or belt |
| | 145 | Pack holders |
| | 146 | With means to vibrate pack |
| | 147 | Advancer |
| | 148 | With means to move portions of advancer unequally (e.g., for unequal-thickness sheets) |
| | 149 | For on-edge or imbricated sheets |
| | 152 | Control of advancer responsive to sensing of foremost sheet |
| | 153 | Sensor included in feed mechanism |
| | 154 | Sensor activates electric or fluidic circuit |
| | 156 | Controlled pawl and ratchet actuates advancer |
| | 157 | With means to replenish pack or retract advancer platform |
| | 160 | Urged by spring or weight |
| | 161 | With means to bow sheets |
| | 162 | Holder movable relative to feed position |
| | 165 | For feed from bottom of pack |
| | 167 | With means to restrain feed of next sheet |
| | 171 | Holder adjustable to size of sheet |
| | 278 | DELIVERING |
| | 279 | Multiple discharge |
| | 280 | For separating sheet from moving assemblage of sheets |
| | 281 | By separating member moving in direction opposite of assemblage |
| | 282 | By sheet attracting means |
| | 285 | With leading edges of sheets offset |
| | 287 | Of successive sheets to plural receivers in succession |
| | 288 | With control means to vary mode of operation |
| | 291 | With selective actuation of means for inverting duplex sheets |
| | 292 | With movable receivers or receiver portions |
| | 293 | With means to increase spacing between receiver defining portions |
| | 294 | Receivers moving into registry with delivery zone |
| | 296 | By diverter or conveyor moving past receivers |
| | 297 | By individual diverter for each receiver |
| | 298 | With means to program discharge destination |
| | 299 | To laterally spaced receivers |
| | 300 | By release from conveyor at plural locations |
| | 301 | Selectively to recirculating path or exit |
| | 302 | By conveyor section movable to direct sheets along alternate paths |
| | 303 | With movable diverter |
| | 65 | Optional face or back |
| | 67 | Endless conveyors to curtains |
| | 69 | Endless conveyors to other conveyors |
| | 72 | Rotary conveyors to flies |
| | 73 | Curtains |
| | 306 | With transfer means between conveyor and receiver |
| | 307 | Means to strip sheets from engagement with moving conveyor |
| | 308 | Stripper cyclically movable between stripping and nonstripping position |
| | 309 | By air blast |
| | 310 | By means to attract sheet from conveyor |
| | 311 | Stripper normally in contact with conveyor surface |
| | 312 | Stripper normally in spaced relation to conveyor surface |
| | 175 | Means to drape sheets over horizontal bar |
| | 176 | Responsive to delivered sheet |
| | 177 | Means to push sheets out of edgewise into broadside movement (e.g., packer) |
| | 182 | Means to retard sheets |
| | 184 | Means to change orientation or direction of sheets during delivery |
| | 188 | Means to bow sheets during delivery |
| | 189 | Means temporarily interposed between conveyor and receiver |
| | 193 | By electrostatic or magnetic conveyor |
| | 194 | By pneumatic conveyor |
| | 198 | By endless conveyor |
| | 199 | Operation controlled by delivered sheet |
| | 200 | With delivery end movably relative to pack receiver |
| | 202 | With means to vary speed of sheets on conveyor(s) |
| | 204 | Suspension gripper |
| | 314 | Rotary conveyor |
| | 84 | Reciprocating conveyors |
| | 207 | To receiver for pack of sheets |
| | 208 | With means to discharge static electricity |
| | 209 | With means to bow sheets |
| | 210 | With means to vibrate receiver |
| | 211 | With air cushion between sheet and pack |
| | 212 | For receiving sheets from below the pack |
| | 213 | With movable sheet-surface support |
| | 220 | With movable pack-limiting member(s) (e.g., hold-down) |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 900 | STRIPPER |
| | 901 | MAGNETIC OPERATION |
| | 902 | REVERSE DIRECTION OF SHEET MOVEMENT |
| | 903 | TRAVELING WICKET (FOR STACK ON EDGE) |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |