Perfected expanding shaft

Details Perfected expanding shaft Perfected expanding shaft

1995-06-29

1997-01-28

Darling, John P.

Winding, tensioning, or guiding

Coil holder or support

Radially expansible or contractile

B65H 7524

Patent

active

055971342

ABSTRACT:
A cylindrical shaft has radial slots each for receiving one or more tubular supports. A plurality of mobile sectors located in the slots and expand radially by means of air tubes. At least one of said mobile sectors has two or more sliding bucking elements, for locking the tubular supports axially.

REFERENCES:
patent: 4026491 (1977-05-01), Bostroem

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