Device for simultaneously driving the screws of two parallel scr

Details Device for simultaneously driving the screws of two parallel scr Device for simultaneously driving the screws of two parallel scr

1988-04-21

1989-04-11

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74665Q, 74675, 72248, F16H 3706, B21B 3124

Patent

active

048195073

ABSTRACT:
The invention relates to a device for clamping the rolls (5 and 6) of a rolling mill. It comprises two screw-and-nut systems (1 and 2) controlled by two epicyclic planetary gear trains (7 and 8) coupled to each other and to a first motor (18) for controlling the screws in opposite directions via a respective one of their two sun shafts (9 and 10), and coupled to each other and the gear wheel of a motor (13) for screwing or unscrewing the two screws in the same direction via their planet carriers (7e, 8e).

REFERENCES:
patent: 3373635 (1968-03-01), Meurer
patent: 3626737 (1971-12-01), Defontenay
patent: 3992915 (1976-11-01), Hermes et al.
patent: 4470284 (1984-09-01), Noe et al.
patent: 4584903 (1986-04-01), Hirt et al.

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