Device for measuring contact pressure of a gripper device in a s

Details Device for measuring contact pressure of a gripper device in a s Device for measuring contact pressure of a gripper device in a s

1993-10-08

1995-07-11

Burr, Edgar S.

Printing

Work supporting members

Grippers

101409, B41F 130

Patent

active

054310997

ABSTRACT:
Device for measuring contact pressure of a gripper device having a gripper member and a gripper pad in a sheet-fed rotary printing press includes a layer of piezoelectric material, one of the gripper member and the gripper pad being formed of two parts with the layer of piezoelectric material disposed between the two parts, and a device for picking-off a charge from the layer of piezoelectric material which is a measure of contact pressure between the gripper member and the gripper pad of the gripper device.

REFERENCES:
patent: 3582691 (1971-06-01), Sonderegger et al.
patent: 4491760 (1985-01-01), Linvill
patent: 4780015 (1988-10-01), Anderson et al.
patent: 4953410 (1990-09-01), Tabota
patent: 5209126 (1993-05-01), Grahn

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