Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1974-11-08
1976-11-30
Gilreath, Stanley N.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
226 44, 242 25R, B65H 5938
Patent
active
039944450
ABSTRACT:
Apparatus for maintaining constant tension in wire travelling between two driven rolls, one of which delivers the wire; the other being a take-up roll. The apparatus comprises a detector system actuated by the wire while the wire travels in a straight path between the rolls. The detector system comprises a deflector pulley which deflects a portion of the travelling wire from the straight path and a return pulley which returns it thereto. The return pulley is movable toward or away from the deflector pulley in response to tension variations in the wire. A detector detects the variations in distance between the detector pulleys and produces a corrective signal. This signal is used to vary the speed of one of the two driven rolls, in a direction and to an extent responsive to the variation of said distance, thereby keeping the tension of the wire constant between the driven rolls.
REFERENCES:
patent: 1966214 (1934-07-01), Palmer
patent: 2203946 (1940-06-01), Doescher
patent: 2741437 (1956-04-01), Haworth
patent: 3028110 (1962-04-01), Kabelitz
patent: 3049308 (1962-08-01), Lang
patent: 3059869 (1962-10-01), Ash
patent: 3537660 (1970-11-01), Schippers et al.
Adams Bruce L.
Burns Robert E.
Gilreath Stanley N.
Lobato Emmanuel J.
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