Warp let-off mechanism of weaving machine

Details Warp let-off mechanism of weaving machine Warp let-off mechanism of weaving machine

1983-11-30

1985-11-12

Kee Chi, James

Textiles: weaving

Warp manipulation

Feeding

139110, D03D 4906

Patent

active

045521867

ABSTRACT:
A warp let-off mechanism of a weaving machine has a speed change transmission whose output rotation is in one direction irrespective of whether its input rotation is in the forward or reverse direction. The speed change transmission has shift means for selectively changing the direction of the output rotation between the forward and reverse directions. The speed change transmission can change the ratio between the input speed and output speed in accordance with warp tension sensed by warp tension sensing means. There is further provided interlock means connected between the shift means of the speed change transmission and an operating lever or other operating device of the weaving machine. The interlock means moves the shift means in accordance with the movement of the operating lever so as to match the direction of the warp beam rotation to the operation of the weaving machine. Optionally, there is further provided shift error stop means which stops the movement of the weaving machine if the shift means is not shifted to a correct position by the interlock means.

REFERENCES:
patent: 2737209 (1956-03-01), Meyer
patent: 3753451 (1973-08-01), Hosono et al.
patent: 3934620 (1976-01-01), Garcia

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