Safety device for control or regulation systems of drive units o

Details Safety device for control or regulation systems of drive units o Safety device for control or regulation systems of drive units o

1993-02-01

1994-11-22

Burr, Edgar S.

Printing

Rolling contact machines

101136, 101152, 101181, 101183, 101DIG41, 464160, B41F 500

Patent

active

053658418

ABSTRACT:
Safety device for control or regulation systems of drive units of a printing machine having at least individual sub-aggregates thereof mechanically disconnected from one another, a plurality of motors connected via respective gear transmissions to the sub-aggregates for driving them in synchronous rotation, at least one measuring device for ensuring synchronous running of the sub-aggregates, and a device for controlling the rotary speed or the torque of the motors connected to the measuring device, further includes a clutch disposed between the gear transmissions of two of the at least individual sub-aggregates located adjacent one another, the clutch having clutch halves respectively connected to a synchronously running gearwheel of the respective gear transmissions, the clutch halves being connected to one another for transmitting torque when a preset rotational-angle difference between the clutch halves is exceeded.

REFERENCES:
patent: 3358595 (1967-12-01), Lindemann
patent: 3452261 (1969-06-01), Tagliasacchi
patent: 3998156 (1976-12-01), Zimmer
patent: 4240346 (1980-12-01), Landis et al.
patent: 4899655 (1990-02-01), Seo et al.
patent: 4915531 (1990-04-01), Mangiavacchi
patent: 4951567 (1990-08-01), Bodi et al.
German Journal; Maschinenbautechnik 29, 1980, 2, pp. 62-63.
German Journal: Der Elektronik 4, 1983, pp. 46-48.

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