Piezoelectrically controlled lift blade and hooking for a shed-f

Details Piezoelectrically controlled lift blade and hooking for a shed-f Piezoelectrically controlled lift blade and hooking for a shed-f

1994-02-22

1995-02-28

Falik, Andrew M.

Textiles: weaving

Warp manipulation

Shedding

D03C 320

Patent

active

053928202

ABSTRACT:
A shed forming arrangement for a loom comprises lift elements which are movable in opposite relationship to each other and hooks which are operatively associated with the lift elements. The hooks are connected in pairs by connecting members forming loops which pass around rollers operatively connected to the shedding means of the loom. Arresting elements are movable between an engagement position with the respective hook and a non-engagement position, and actuating devices influence the position of the arresting elements. The actuating devices each include a piezoelectric flexural transducer stationarily clamped at one end. The transducers are each arranged for operating movement transversely to the path of movement of the associated arresting element between a blocking position of being disposed in the path of movement of the associated arresting element and a non-blocking position of being disposed outside the path of movement of the associated arresting element.

REFERENCES:
patent: 4195671 (1980-04-01), Bossut
patent: 4969490 (1990-11-01), Seiler

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