公开(公告)号：EP0038825A4

公开(公告)日：1982-01-11

申请号：EP80902081

申请日：1981-04-08

Applicant: IBM

Inventor： FOWLER RAYMOND LAMAR ,  LEACH DAVID WATSON ,  SLOAN LOWELL THOMAS

IPC: H04N1/08 ,  B41F21/04 ,  B41F27/12 ,  B41J13/10 ,  B41J13/22 ,  G03F1/00 ,  G03G15/16 ,  G03G21/00 ,  B41F1/36 ,  B65H5/14

CPC classification number: B41F27/12 ,  B41F27/1262 ,  B41J13/223

Abstract: A clamp (11) for holding a flexible sheet (12) on a rotary carrier (10) tightens the grip on, and pulls, the sheet upon rotation of the carrier, as a result of centrifugal forces generated on two weights (28, 29) attached to two cooperating arms (21, 22) within the clamp. The magnitude of the grip-tightening force is dependent upon the mass of a grip-tightening weight (28) attached to the clamp. The magnitude of the sheet-pulling force is dependent upon the mass of a sheet-pulling weight (29) attached to the clamp. The clamp faces (18, 19) are mounted (23) for concurrent movement along the periphery of the carrier to prevent tearing or other damage to the sheet when it is pulled as the carrier is rotated.

公开(公告)号：DE3068883D1

公开(公告)日：1984-09-13

申请号：DE3068883

申请日：1980-09-19

Applicant: IBM

Inventor： FOWLER RAYMOND LAMAR ,  LEACH DAVID WATSON ,  SLOAN LOWELL THOMAS

IPC: H04N1/08 ,  B41F21/04 ,  B41F27/12 ,  B41J13/10 ,  B41J13/22 ,  G03F1/00 ,  G03G15/16 ,  G03G21/00 ,  B41F1/36 ,  B65H5/14

Abstract: A clamp for holding a flexible sheet on a rotary carrier tightens the grip on, and pulls, the sheet upon rotation of the carrier, as a result of centrifugal forces generated on two weights attached to two cooperating arms within the clamp. The magnitude of the grip-tightening force is dependent upon the mass of a grip-tightening weight attached to the clamp. The magnitude of the sheet-pulling force is dependent upon the mass of a sheet-pulling weight attached to the clamp. The clamp faces are mounted for concurrent movement along the periphery of the carrier to prevent tearing or other damage to the sheet when it is pulled as the carrier is rotated.