Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1975-12-31
1977-01-18
McCarthy, Edward J.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421562, B65H 1752
Patent
active
040035280
ABSTRACT:
A mounting and braking apparatus for use in providing a controlled feeding of welding wire to a welding torch or gun, wherein the welding wire is arranged in a pre-coiled, continuous roll. The mounting and braking apparatus comprises an upstanding mounting bracket adapted to be secured to an electrical welding machine having a reel assembly rotatably supported to the mounting bracket by the braking apparatus, which includes a threaded spindle attached to the mounting bracket having an insulating bushing disposed therebetween and held in place by a locking nut. The braking assembly is operably mounted to the extended portion of the spindle and comprises an enlarged hub member having a pair of oppositely disposed ball bearings positioned therein and operably received over the spindle. An adjusting nut is threadably received on the outer end of the spindle for direct contact with one of the bearings, whereby the rate at which the wire is uncoiled from the reel assembly is controlled by the amount of frictional force placed upon the bearing members by the adjusting nut.
REFERENCES:
patent: 248261 (1881-10-01), Hubbard
patent: 2734694 (1956-02-01), Davidson
patent: 3319906 (1967-05-01), Atkinson
Baisch J. C.
McCarthy Edward J.
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