Control for a dobby mechanism

Details Control for a dobby mechanism Control for a dobby mechanism

1979-09-21

1982-04-27

Jaudon, Henry

Textiles: weaving

Warp manipulation

Shedding

D03C 112

Patent

active

043265634

ABSTRACT:
A control for a wedge coupling in a dobby mechanism with a reduction gear or step-down gearing between a drive shaft and an eccentric device for the dobby movement, a coupling place, and a switching member (which member is controlled according to a pattern or design) for the movement of the wedge, the switching member being under spring tension. Two control levers for the upper and lower shed movement are provided, which control levers are under spring tension and which engage or act on the switching member and are controlled by a known needle mechanism, one of the control levers additionally cooperating with a control axle, which axle is synchronously moveable with the shaft machine. A pulse element is synchronously controlled by the eccentric device (connecting rod), by which pulse element the control end of the not to be moved control lever is blocked in its starting position.

REFERENCES:
patent: 3730232 (1973-05-01), Kleiner
patent: 3804128 (1974-04-01), Amigues

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