Dobby loom with a magnetically operated hook selector

Details Dobby loom with a magnetically operated hook selector Dobby loom with a magnetically operated hook selector

1989-03-24

1991-05-28

Falik, Andrew M.

Textiles: weaving

Warp manipulation

Shedding

139455, D03C 100

Patent

active

050185560

ABSTRACT:
A dobby loom provided with up-and-down movement instruction apparatus which is controlled to two positions, operation and non-operation positions, by programmed magnetically-driven apparatus and wherein the instruction apparatus decides up-and-down movements of a held frame according to the two operation and non-operation positions. The magnetically-driven apparatus includes a magnet core and a movable lever, movable to a first position to select one of the operation and nonoperation positions and to a second position to select the other of the operation and nonoperation positions. The movement of the movable lever is controlled by magnetic force selectably provided between the magnetic core and the movable lever. A plate of nonmagnetic material is interposed between the magnet core and the movable lever.

REFERENCES:
patent: 3861173 (1975-01-01), Kinkelin
patent: 4100768 (1978-07-01), Kamikura et al.
patent: 4442869 (1984-04-01), Speich et al.
patent: 4527597 (1985-07-01), Yoshida et al.
patent: 4702286 (1987-10-01), Palau et al.
patent: 4715198 (1987-12-01), Ploppa et al.

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