Spring dampened shedding device

Details Spring dampened shedding device Spring dampened shedding device

2006-05-02

2006-05-02

Calvert, John J. (Department: 3765)

Textiles: weaving

Warp manipulation

Traversing

C139S093000

Reexamination Certificate

active

07036532

ABSTRACT:
A shedding device in a jacquard loom, having a heddle with a retracting spring rigidly anchored in the loom or to the floor for urging the heddle to a lower shed forming position. To suppress the development of resonance in the spring, a core element is provided, which contacts the inside of the spring at points spaced apart from one another and forces the spring to take a course which deviates from the rectilinear. As a result, friction forces that contribute to damping the spring motion are created between the spring and the core element.

REFERENCES:
patent: 5819809 (1998-10-01), Bassi et al.
patent: 6302154 (2001-10-01), Bassi et al.

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