Chuck for simultaneously winding a plurality of narrow product s

Details Chuck for simultaneously winding a plurality of narrow product s Chuck for simultaneously winding a plurality of narrow product s

1981-02-23

1982-06-01

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 569, B65H 7518

Patent

active

043323561

ABSTRACT:
There is provided apparatus in the form of a chuck that is adapted for winding a plurality of strips of material on narrow cores with the build-up of strip windings being regulated by an adjustment of pressurized air or fluid into a resilient tube in the chuck. The chuck includes a plurality of movable leaves and fixed separators carried on an inner core. The leaves are retained against excessive outward movement by cooperative longitudinal edge retaining means provided on and by the fixed separators. The resilient tube is carried in a groove formed in the inner support member and this tube supports and moves a plurality of saddle members each of which carries at least one drive member. Each leaf is formed with a plurality of shallow grooves so that when the pressurized air or fluid is fed to the resilient tubes the movable leaf members and drive members carried therewith are moved outwardly to provide restraining shoulders and drive means for the narrow core, and release of the pressure on said resilient tube allows the leaf members and drive members to move into a condition and position whereat the narrow cores may be removed from the chuck and replaced.

REFERENCES:
patent: 3010671 (1961-11-01), Brown
patent: 3825167 (1974-07-01), Komorek
patent: 3853280 (1979-12-01), Pennisi
patent: 3917187 (1975-11-01), Damour
patent: 3937412 (1976-02-01), Damour
patent: 4124173 (1978-11-01), Damour
patent: 4209138 (1980-06-01), Cecchi
patent: 4220291 (1980-09-01), Papa

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