Textiles: weaving – Pattern mechanism – Reverse
Patent
1979-02-26
1981-02-17
Jaudon, Henry
Textiles: weaving
Pattern mechanism
Reverse
139329, D03D 5100
Patent
active
042509300
ABSTRACT:
In a reading device for dobby or other weaving mechanism with double swinging levers and retaining hooks, of the type in which said hooks are actuated by a disc with radial lugs or the equivalent, at least one input gear connected for rotation with the shaft of the mechanism and meshing with an intermediate gear carried by a mobile member which can be displaced concentrically with respect to the axis of said input gear, and which intermediate gear meshes with an output gear in turn with the lug disc coupled for rotation and carried by a supporting lever associated with yieldable means operative to maintain said output gear in mesh with the intermediate gear, so that by selectively angularly displacing the mobile member about the input shaft, it is possible either to achieve a simple angular shift of the lug disc to allow for unweaving during reverse motion, or alternatively to achieve the retraction of said lug disc away from the heels of the hooks in order to level all of the heddle frames.
REFERENCES:
patent: 3101749 (1963-08-01), Pfarrwaller
patent: 3318341 (1967-05-01), Nollet
patent: 4067364 (1978-01-01), Tomio
Froment Jean-Paul
Palau Joseph
Jaudon Henry
Societe Anonyme des Etablissements Staubli
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