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US 5,042,112 AGranted
Drafting unit for a spinning machine
AssigneeFritz Stahlecker
InventorHans Stahlecker
Life of this patent
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Abstract
In a drafting unit for a spinning machine having an apron guide between a pair of rollers, it is provided that the bottom apron wound around a bottom roller is tensioned by means of a movable bottom apron bridge.
Claims18
A drafting unit for a spinning machine or the like, comprising:
- a plurality of pairs of respective top and bottom rollers,
- and an apron guide arranged between two pairs of rollers, said apron guide including:
- a bottom apron movably supported at a bottom roller of a first pair of the rollers with respect to a travel direction of sliver being drafted by the drafting unit,
- a bottom apron bridge disposable to support the bottom apron and including a guiding surface extending substantially in a common plane with nip lines of the first pair of rollers and a following pair of rollers,
- and spring force applying means for applying spring force tending to move the bottom apron bridge in the guiding surface travel direction of the sliver away from the bottom roller of said first pair of rollers, to thereby tension the bottom apron which extends around the bottom roller of said first pair of rollers.
2 more elements
Dependencies are inferred from the claim text.