公开(公告)号：DE3167319D1

公开(公告)日：1985-01-03

申请号：DE3167319

申请日：1981-08-19

Applicant: IBM

Inventor： CORNELL ROBERT WILSON ,  REX DONALD KARL

IPC: B41J11/26 ,  B41J11/30 ,  B65H20/20

公开(公告)号：DE3582463D1

公开(公告)日：1991-05-16

申请号：DE3582463

申请日：1985-08-20

Applicant: IBM

Inventor： CORNELL ROBERT WILSON ,  HOWES JAMES KNOX ,  KOTEFF WALTER BRYAN ,  REX DONALD KARL

IPC: B41J11/30

公开(公告)号：BR8504535A

公开(公告)日：1986-07-15

申请号：BR8504535

申请日：1985-09-18

Applicant: IBM

Inventor： CORNELL ROBERT WILSON ,  HOWES JAMES KNOX ,  KOTEFF WALTER BRYAN ,  REX DONALD KARL

IPC: B41J11/30 ,  B41F13/00

公开(公告)号：DE3068511D1

公开(公告)日：1984-08-16

申请号：DE3068511

申请日：1980-07-01

Applicant: IBM

Inventor： BLASKOVIC SILVIO ,  CORNELL ROBERT WILSON

IPC: B41J11/30 ,  B65H20/20 ,  G03B1/24

Abstract: There is disclosed herein a forms feed tractor mechanism having a belt with pins and driving elements extending therethrough. The pins are adapted to engage perforated holes along the edge of a recorded medium. Driver means are provided for rotating the belt and pins and thereby rotate the engaged record medium. Also, there is provided a spring tensioner for maintaining tension on the belt. The tractor includes a door which is rotatably snapped fitted into the housing of the tractor and maintained above the plane of the record medium by an extension on the lower surface thereof.