Device for chucking tubular winding cores

Details Device for chucking tubular winding cores Device for chucking tubular winding cores

1980-07-03

1982-07-13

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 72R, 279 2R, B65H 7524

Patent

active

043390943

ABSTRACT:
A device for chucking tubular winding cores, and particularly cores carrying paper webs or webs of similar material, wherein chucking segments forming a cylindrical surfaces are radially positioned by means of a core trunnion having an equilateral polygonal cross section, each of the chucking segments bearing on an individual surface of the trunnion through a support member having a rounded profile and producing a line contact. The support members are carried without play or with very little play in a cage inserted coaxially to be freely rotatable between the chucking segments and the core trunnion.

REFERENCES:
patent: 1072067 (1913-09-01), Wild
patent: 3198454 (1965-08-01), Gorsek, Jr. et al.
patent: 3963250 (1976-06-01), Flagg
patent: 3993317 (1976-11-01), Flagg

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