Device for automatically varying the position of the shed vertex

Details Device for automatically varying the position of the shed vertex Device for automatically varying the position of the shed vertex

1993-10-14

1995-02-07

Falik, Andrew M.

Textiles: weaving

Warp manipulation

Feeding

139110, 139304, 139311, 139 1E, D03D 5100, D03D 4910

Patent

active

053868552

ABSTRACT:
A device for automatically varying, during the transient states following loom stoppages, the shed vertex position in the loom. The device consists of a sensor for determining the beat-up pulse intensity of the loom reed. The device also is connected to a comparator which receives a predetermined set value corresponding to the beat-up pulse intensity of the reed during normal operation. The output of the comparator is used, through a control unit, to synchronously drive the electric motors that operate the beam and the take-up roller of the loom, respectively.

REFERENCES:
patent: 3878872 (1975-04-01), Hintsch
patent: 4585037 (1986-04-01), Kimbara
patent: 4619294 (1986-10-01), Sainen et al.
patent: 4817677 (1989-04-01), Deconinck et al.
patent: 5090452 (1992-02-01), Benelli
patent: 5224520 (1993-07-01), Shinbara et al.

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