D - Textiles – Paper – 03 – D
Patent
D - Textiles, Paper
03
D
139/47
D03D 9/00 (2006.01) D03C 3/44 (2006.01)
Patent
CA 1048902
WOLFGANG EBISCH DEVICE FOR EXERTING BACK-PULL ON THE HEDDLES OF JACQUARD LOOMS A B S T R A C T This relates to a device for exerting a back-pull on the heddles of Jacquard looms. In such looms the upper end of each heddle is connected to a patterning machine and it is necessary that the lower end of the heddle be connected to a pulling device which applies the necessary pull in the opposite direction to return the displaced heddle. Each heddle has permanently connected thereto a piston which is positioned within a cylinder guide with one end of the cylinder guide being open into a chamber wherein a pressure other than atmos- pheric pressure is maintained and the opposite end of the cylinder guide is open to the atmosphere in a manner wherein each piston and its associated heddle is displaced away from the patterning machine. The pull-back pressure may be varied by varying the pressure within the chamber.
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