Dampener

Details Dampener Dampener

1975-09-05

1977-07-19

Burr, Edgar S.

Printing

Rolling contact machines

Rotary

101148, 101425, B41F 1324

Patent

active

040361314

ABSTRACT:
A dampener form roll has a wash-up position in which the dampener form roll is in fluid-transferring relationship with the ink form roll so that when wash-up fluid is applied to the ink form roll, it is transmitted to the dampener form roll, and thus effects a clean-up of the ink on the dampener form roll. A throw-off mechanism is provided for moving the dampener form roll between thrown-on and thrown-off positions, and that throw-off mechanism includes a motor having a reciprocating output member connected with a linkage for transmitting the motion of the output member to the dampener form roll. Means is located in the linkage for disabling the linkage so that it is disconnected, thus disconnecting the dampener form roll from the motor. A spring is provided for moving the dampener form roll to its wash-up position upon disconnection of the linkage. Further, the dampener form roll is gear driven through a gear train from the plate cylinder of the printing press and on movement to the wash-up position, one gear for driving the dampener form roll moves out of engagement with its cooperating gear so that the teeth thereof are out of meshing engagement.

REFERENCES:
patent: 3673959 (1972-07-01), Jezuit et al.
patent: 3701316 (1972-10-01), Sylvester et al.
patent: 3771450 (1973-11-01), Cleybergh
patent: 3783782 (1974-01-01), Hardt
patent: 3842735 (1974-10-01), Sontham et al.
patent: 3850099 (1974-11-01), Laben

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