Expanding shaft

Details Expanding shaft Expanding shaft

1998-03-09

1999-08-10

Darling, John P.

Winding, tensioning, or guiding

Coil holder or support

Radially expansible or contractile

B65H 7524

Patent

active

059346051

ABSTRACT:
An expanding shaft has a cylindrical shaft with a plurality of radially disposed slots longitudinally extending along its outer surface. The shaft is adapted to support one or more rolls each of which has side edges. A plurality of mobile devices is disposed within one of said slots for radial movement, and a thruster urges each of the mobile devices radially outwardly. A plurality of bucking elements are adapted to engage the side edges of the rolls. The bucking elements are supported by one of said mobile devices for longitudinal movement relative to the shaft, and locking devices for the bucking elements position them longitudinally of the shaft to thereby lock one or more rolls longitudinally in position on the shaft.

REFERENCES:
patent: 4026491 (1977-05-01), Bostroem
patent: 4332356 (1982-06-01), Damour

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