Winding – tensioning – or guiding – Strand tensioning device – Clamp
Patent
1978-04-06
1979-08-21
Gilreath, Stanley N.
Winding, tensioning, or guiding
Strand tensioning device
Clamp
242147M, 242154, B65H 5924, B65H 5930
Patent
active
041650565
ABSTRACT:
A tensioning device is illustrated wherein a plurality of longitudinally aligned upright receptacles carry stacked rollers the lowermost of which is driven by the passage of yarn thereunder. A vertical yarn passageway is carried in at least one end of the housing forming an end receptacle to permit a change of direction in the yarn to cause up and down roller movement to compensate for changes in tension in the yarn as well as alternate yarn paths. Passageways are provided in the housing adjacent the pairs of rollers so as to permit expulsion of lint from the receptacles which is promoted by turning of the rolls. Magnetic means may be carried beneath the device for varying the force exerted by the rollers on the strand and the magnetic means may be varied for this purpose. Detector means such as photo-electric devices may be utilized for detecting variation in the turning of the rollers to act as a stop motion for the machine utilizing the tensioning device. By aligning and accommodating rollers in spaced end-to-end relation a number of aligned strands may be handled conveniently in a tension device having a single or modular housing.
REFERENCES:
patent: 739523 (1903-09-01), Wells
patent: 1040185 (1912-10-01), Gerstberger
patent: 1055108 (1913-03-01), Wells
patent: 1211862 (1917-01-01), Lister
patent: 1313919 (1919-08-01), Sawtell
patent: 1372557 (1921-03-01), Sawtell
patent: 1618699 (1927-02-01), Davis
patent: 1620571 (1927-03-01), Rhoades et al.
patent: 1825626 (1931-09-01), Bock
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