Device for controlling impressional forces

Details Device for controlling impressional forces Device for controlling impressional forces

1990-12-12

1991-08-20

Fisher, J. Reed

Printing

Rolling contact machines

Rotary

101247, B41F 1338, B41L 3516

Patent

active

050404580

ABSTRACT:
A device which performs the lifting and throw-off of an impression cylinder in a printing machine, comprises a first supporting pin (1) which carries a gate (2) that is provided with a run-out path (4) and stop (3). Upon disengagement of the impressional forces, the stop is in engagement with a first projection (6) on a first catch (7), which is swingably mounted on a second supporting pin (15), fixed in a side plate (16) of the machine. A connecting tie rod (9) is fastened to the first catch (7) by a pin (8), and another end of the connecting tie rod (9) is connected, by a second pin (10) to a second catch (11), mounted slightly turnably on a basic pin (28). The second catch is provided with a second projection (12), which becomes engaged with stop (3) of gate (2), upon engagement of impressional forces, and against the run-out path (4) which bears against an operating roller (13 ) of a driver (14).

REFERENCES:
patent: 2860577 (1958-11-01), Fowlie
patent: 3030884 (1962-04-01), Lindemann
patent: 3150588 (1964-09-01), Bonsch
patent: 3584578 (1971-06-01), Jurny
patent: 4041862 (1977-08-01), Jiruse
patent: 4538513 (1985-09-01), Sedlak et al.

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