Textiles: weaving – Warp manipulation – Shedding
Patent
1996-09-23
1998-07-21
Falik, Andy
Textiles: weaving
Warp manipulation
Shedding
66220, D03C 320
Patent
active
057822727
ABSTRACT:
A shed forming device for selecting a shed forming apparatus with the assistance of piezoelectric bending elements in a weaving and/or knitting machine of the jacquard type intended for weaving and knitting patterns. The shed forming device includes complementary ascending and descending hooks and complementary ascending and descending blades adapted to cooperate and mutually hook and unhook. Each of the piezoelectric bending elements has a U-shaped clip at a free extremity thereof having one arm (17) that is adapted to slide over a corresponding one of the hooks. Each of the complementary hooks is attached to an elastic bending spring part which can slide up and down along a groove under the action of one of the ascending blades in order to raise a tackle and also a harness cord.
REFERENCES:
patent: 4969490 (1990-11-01), Seiler
patent: 5309952 (1994-05-01), Speich
patent: 5333652 (1994-08-01), Bassi et al.
patent: 5373871 (1994-12-01), Speich
patent: 5392820 (1995-02-01), Seiler
Patent Abstracts of Japan, vol. 014, No. 149, Mar. 22, 1996 & JP-A-02 019534 (Takemura Seisakusho:KK), Jan. 23, 1990.
Falik Andy
N.V. Michel Van de Wiele
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