公开(公告)号：US3894514A

公开(公告)日：1975-07-15

申请号：US42674973

申请日：1973-12-20

Applicant: IBM

Inventor： CAUDILL ALLISON H ,  HOEKZEMA RONALD J ,  WILSON CLEMENT C

IPC: G03G15/08 ,  G03G21/10 ,  B05B5/02

CPC classification number: G03G21/10

Abstract: A portion of a xerographic development material is slowly circulated past a vertically oriented porous wall where it serves as a filter for airborne toner particles flowing therethrough. Toner enriched development material is returned to the main body of development material for reuse. Toner particles cleaned from residual xerographic images are conveniently transported by airflow entrainment to the development material filter.

Abstract translation: 静电复印显影材料的一部分缓慢地循环通过垂直定向的多孔壁，其中它用作流过其中的空气中的调色剂颗粒的过滤器。 富含碳粉的开发材料返回到开发材料的主体进行再利用。 清洁残留静电复印图像的调色剂颗粒通过气流夹带方便地传送到显影材料过滤器。

公开(公告)号：US3528536A

公开(公告)日：1970-09-15

申请号：US3528536D

申请日：1967-03-15

Applicant: IBM

Inventor： CAUDILL ALLISON H ,  GOFF WILLIE JR ,  PALMER LEON E

IPC: B41J33/56 ,  B41J33/14

CPC classification number: B41J33/56

公开(公告)号：US3604549A

公开(公告)日：1971-09-14

申请号：US3604549D

申请日：1968-07-16

Applicant: IBM

Inventor： CAUDILL ALLISON H ,  GOFF WILLIE JR

IPC: B41J32/00 ,  B41J33/36 ,  B41J33/56 ,  B41J35/36 ,  B41J33/14

CPC classification number: B41J33/36 ,  B41J35/36

Abstract: A ribbon feed mechanism for feeding a substantially constant linear or longitudinal amount of single pass ribbon past a printing position during each ribbon feed cycle. A cartridge, which is removably mounted on a baseplate, has a supply spool and a takeup spool rotatably mounted therein with the ends of the single pass ribbon attached thereto. The bottom wall of the cartridge has a curved slot to receive a resiliently biased drive roller, which is rotatably mounted on a pivotal arm on the baseplate and has pointed projections thereon for penetrating the inked ribbon on the takeup spool to linearly advance the ribbon past its printing position. The drive roller is rotated by a gear train during each actuation of a character key on the typewriter. Means change the gear ratio of the gear train to cause a smaller amount of rotation of the drive roller during each actuation of a character key to advance the ribbon a smaller linear amount. The cartridge has a cylindrical recess to receive a portion of the gear train. When the ribbon is a solvent coated plastic transfer matrix whereby overstriking is desired, then resiliently biased means is disposed within the recess in the cartridge to render the change means operative to reduce the amount of rotation of the drive roller. If a total release ribbon is used wherein no overstriking is desired, then the recess in the cartridge is empty and the larger amount of rotation of the drive roller occurs because the change means is not rendered operative.

公开(公告)号：US3537562A

公开(公告)日：1970-11-03

申请号：US3537562D

申请日：1968-07-16

Applicant: IBM

Inventor： CAUDILL ALLISON H ,  GOFF WILLIE JR

IPC: B41J23/02

CPC classification number: B41J23/025

公开(公告)号：US3432020A

公开(公告)日：1969-03-11

申请号：US3432020D

申请日：1966-01-06

Applicant: IBM

Inventor： CAUDILL ALLISON H ,  GOFF WILLIE JR

IPC: B41J33/22 ,  B41J33/28 ,  B65H23/14

CPC classification number: B41J33/22

公开(公告)号：CA1094796A

公开(公告)日：1981-02-03

申请号：CA279117

申请日：1977-05-25

Applicant: IBM

Inventor： ABBOTT JERRY J ,  CAUDILL ALLISON H

IPC: G03G15/09

Abstract: GROOVED MAGNETIC BRUSH ROLL For use in an electrophotographic copy machine utilizing magnetic brush roll development, an improved hollow magnetic roll made of non-magnetic material containing axially located grooves along the exterior periphery. The grooves are spaced in a range from 15-25 times the diameter of the permeable carrier beads used in the development process and the lands between grooves are polished to a high drgree, e.g., 25 .mu.inches. The depth of the grooves is to a minimum of 1-2 times bead diameter while the groove width is to a minimum of 2-3 times bead diameter. BO976048

公开(公告)号：DE3162982D1

公开(公告)日：1984-05-10

申请号：DE3162982

申请日：1981-10-09

Applicant: IBM

Inventor： CAUDILL ALLISON H ,  BRUCE WILLIAM H

IPC: B65H29/06 ,  G03G15/00 ,  G03G21/00

公开(公告)号：CA1108844A

公开(公告)日：1981-09-15

申请号：CA309376

申请日：1978-08-15

Applicant: IBM

Inventor： ABBOTT JERRY J ,  BERNARDELLI WILLIAM J ,  CAUDILL ALLISON H ,  THOMPSON JOHN A

IPC: G03G15/09

Abstract: ELECTROPHOTOGRAPHIC DEVELOPER WITH CARRIER OVERFLOW CONTROL A magnetic-brush developer for use in an electrophotographic machine wherein the magnetic brush is used to transport toner-coated carrier particles to an elevated development zone from a pickup zone. A path for so moving the carrier is provided between the magnetic brush roll and an overflow plate, the lower end of which also serves as a doctoring blade. The carrier is moved to the top of the roll where a doctoring blade limits the amount of carrier entering the development zone. Excess carrier is accumulated in an expanded spatial area near the doctoring blade and returned to the vicinity of the pickup zone by falling back between the overflow plate and the housing. An area is provided near the doctoring blade at the top of the roll where no magnetic field is present. The overflow plate is made of non-magnetic material.

公开(公告)号：CA1150947A

公开(公告)日：1983-08-02

申请号：CA363916

申请日：1980-11-04

Applicant: IBM

Inventor： CAUDILL ALLISON H ,  SIMSON LOWELL M ,  STANLEY JAMES W

IPC: G03G15/08 ,  G03G15/09

Abstract: TONER CONTAINER AND TONER DISPENSING APPARATUS A magnetic brush developer having a toner dispenser cooperable with a removable toner container of the bottle type so that transfer of toner to the dispenser occurs without spillage or exposure of the toner to the external environment. The bottle and dispenser have mating interfaces which must be properly located, and then rotated, before dumping of toner from the bottle to the dispenser can occur. The dispenser Interface is positioned in a slidable cover so that the bottle's toner content can be evenly distributed along the length of the dispenser, this length corresponding substantially to the length of the developer's development zone.

公开(公告)号：CA1078169A

公开(公告)日：1980-05-27

申请号：CA262155

申请日：1976-09-27

Applicant: IBM

Inventor： ABBOTT JERRY J ,  CAMPBELL CHARLES A ,  CAUDILL ALLISON H ,  THOMPSON JOHN A

IPC: G03G15/08 ,  G03G15/09

Abstract: MAGNETIC BRUSH DEVELOPER An auger fed magnetic brush developer wherein two parallel augers continuously recirculate the developer mix and cause the mix to be enriched with toner prior to its being returned to the magnetic brush roll. A supply auger communicates with the brush roll along its entire length and directly elevates the mix to a lower part of the brush roll's surface. This supply auger includes four flutes of a pitch equal to one-half the length of the brush roll. This auger flute arrangement insures that a uniform supply of mix is presented to the brush roll along its entire length. In addition, this supply auger construction insures that a uniform supply of enriched mix is presented to the brush roll along its entire length, since the gradually depleting carrier tends to be presented to the brush roll a minimum number of times, for example three, prior to its exiting one end of the supply auger. The carrier exiting the supply auger enters a turnaround compartment whereat new toner is added. The depleted carrier and new toner is mixed by a return auger. To insure adequate triboelectric agitation, the return auger includes two flutes of a pitch equal to that of the supply auger. The two augers are rotated at different flute and pitch related speeds which insure equal flow through the augers. The two augers are of equal length, and are longer than the brush roll. The two augers are mounted in axially offset fashion, with the opposite end of each auger substantially coextensive with opposite ends of the brush roll, and with the other end of each auger extending into end disposed turnaround compartments. -1a-