Textiles: weaving – Miscellaneous – Loom cleaning
Patent
1992-05-13
1993-07-20
Falik, Andrew M.
Textiles: weaving
Miscellaneous
Loom cleaning
139 551, 1391162, 139 1R, D03D 5100
Patent
active
052284808
ABSTRACT:
A shedding controlling apparatus for a loom wherein each of a plurality of heald frames is driven by a drive motor for the exclusive use therefor. During steady operation of the loom, when a crank angle is inputted to a position instructing section, the position instructing section produces an aimed amount of rotation, and a position controlling section controls the drive motor to rotate in accordance with the aimed amount of rotation to eliminate a deviation thereof from a crank shaft of the loom to establish a synchronized relationship between them. Then, when an operation instruction signal is generated during stopping of the loom, a movement instructing advice drives the drive motor by a predetermined amount of rotation by way of an OR gate and the position controlling section in accordance with a shedding pattern designated by way of a shedding instructing and shedding pattern instructing so that a leveling operation of the heald frame, a pick finding operation and a starting preparing operation may be performed automatically.
REFERENCES:
patent: 3557842 (1971-01-01), Porter
patent: 3680602 (1972-08-01), Hindle et al.
patent: 4724872 (1988-02-01), Speich
Falik Andrew M.
Tsudakoma Kogyo Kabushiki Kaisha
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