Wire dispenser with base anti-rotation lock

Details Wire dispenser with base anti-rotation lock Wire dispenser with base anti-rotation lock

1996-06-10

1997-06-03

Nguyen, John Q.

Winding, tensioning, or guiding

Strand unwinding device

B65H 4900

Patent

active

056346042

ABSTRACT:
Apparatus for dispensing wire from a spool, such as welding wire, wherein the spool axis is vertically oriented and the spool includes end flanges confining the wire coil. A rotatable wire dispensing arm is mounted upon a base inserted in a hole within the upper spool flange and a friction brake interposed between the base and arm controls the rate of arm rotation. An extension in the form of a cam is formed upon the base to selectively increase the friction between the base and flange hole to prevent base rotation, and the dispensing arm includes a tube internally reinforced by a coiled wear sleeve while the entrance end of the wear sleeve is provided with a hard, wear resistant ceramic ring to reduce wear.

REFERENCES:
patent: 1834159 (1931-12-01), King, Jr. et al.
patent: 1920962 (1933-08-01), Arkema
patent: 2319828 (1943-05-01), Rohweder
patent: 2880305 (1959-03-01), Baird
patent: 3259407 (1966-07-01), Welt
patent: 3618873 (1971-11-01), Fons et al.
patent: 3942826 (1976-03-01), Lester
patent: 3997127 (1976-12-01), Kovaleski
patent: 4206889 (1980-06-01), Adelhardt et al.
patent: 4253624 (1981-03-01), Colbert
patent: 4435105 (1984-03-01), Rampley
patent: 4657204 (1987-04-01), Colbert

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