Combined bearer wiper assembly and finger guard for printing app

Details Combined bearer wiper assembly and finger guard for printing app Combined bearer wiper assembly and finger guard for printing app

1988-10-14

1989-10-03

Crowder, Clifford D.

Printing

Rolling contact machines

Rotary

101425, B41F 500, B41F 3502

Patent

active

048709000

ABSTRACT:
A wiper assembly (1) for a printing apparatus comprises a finger bar (19) extending longitudinally of printing rolls (5, 7) in a spaced relation thereto at the point of contact between the rolls. Pneumatic rams (33, 35) are attached to respective ends of the finger bar adjacent the bearer members (9, 11, 13, 15) on the rolls. Wiper pads (53, 55) are attached to the ends of each ram and engage the roll bearers. A compressed air supply (81) activates the rams to move the wiper pads into and out of contact with the bearers.

REFERENCES:
patent: 1803066 (1931-04-01), MacCafferty
patent: 3898929 (1975-08-01), Arild et al.
patent: 4704964 (1987-11-01), Robertson
patent: 4765240 (1988-08-01), Kraus et al.

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