Bow spring detector for gripper mechanism

Details Bow spring detector for gripper mechanism Bow spring detector for gripper mechanism

1982-11-19

1985-07-30

Schacher, Richard A.

Sheet feeding or delivering

Feeding

With means to interrupt feeding

271268, B65H 712

Patent

active

045317267

ABSTRACT:
The movable jaw on a gripper mechanism is engaged by a bowed spring feeler element to effect a change in its lateral deflection thereof at a maximum magnification ratio to displacement of the movable jaw from an operative position gripping a single sheet of paper. Deformation of the feeler element is regulated by a bearing abutment spaced from a contact sensing assembly through which the intermediate portion of the element extends to monitor the paper gripping operation.

REFERENCES:
patent: 3741054 (1973-06-01), Alperin
patent: 3744787 (1973-07-01), Morrison
patent: 3885780 (1975-05-01), Morrison

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