Underwinding-thread clamp for a ring-spinning or ring-twisting m

Details Underwinding-thread clamp for a ring-spinning or ring-twisting m Underwinding-thread clamp for a ring-spinning or ring-twisting m

1999-04-09

2000-07-11

Calvert, John J.

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57299, 57 75, 57131, 57300, 2424738, 2424737, D01H 708

Patent

active

060855118

ABSTRACT:
An underwinding thread clamp for a spindle of a ring spinning or ring-twisting machine has a clamping sleeve biased by a spring against and juxtaposed with a collar on the spindle. The juxtaposed surfaces of the spindle and collar have wavy contours so that, upon engagement of an actuating member with each collar, the latter is cammed into its open position to release the respective underwinding thread so that the latter, engaged when a full bobbin was removed, can be released. The clamping of the underwinding thread permits the thread to be wound on the newly mounted core sleeve.

REFERENCES:
patent: 652725 (1900-06-01), Roney
patent: 2428081 (1947-09-01), Keight et al.
patent: 2432564 (1947-12-01), Elvin
patent: 4617791 (1986-10-01), Lousberg
patent: 4796422 (1989-01-01), Odawara

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