Textiles: weaving – Special-type looms – Multiple-shed
Patent
1980-10-16
1983-04-12
Jaudon, Henry
Textiles: weaving
Special-type looms
Multiple-shed
139 551, 139 82, D03D 3916
Patent
active
043794742
ABSTRACT:
In an attempt to form a compact arrangement of a control unit for a weaving machine, according to U.S. Pat. No. 3,759,298, undesired distortions result in the sequence of movement of the heddle frame due to the installation of a short connecting rod. To prevent this, the heddle frame actuating mechanism has one double arm lever pivotally supported on an arm of a further double arm lever, a connecting rod hingedly connected at its one end to a still further double arm lever. The arm of the further double arm lever and the arm of the one double arm lever are in alignment rectilinearly in the center-shed position and are together equal in length to the length of a first arm of the still further double arm lever, so that these two arms, the connecting rod and a connecting line extending between the fixedly arranged pivot axles for the further double arm lever and the still further double arm lever form a parallelogram.
REFERENCES:
patent: 3128796 (1964-04-01), Bergstrom et al.
patent: 3168116 (1965-02-01), Krenz
patent: 3759298 (1973-09-01), Kaufmann
patent: 4201248 (1980-05-01), Delaplace et al.
patent: 4314588 (1982-02-01), Speich
Jaudon Henry
Staeubli Ltd.
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