Clamping arrangement for hollow objects with an end face

Details Clamping arrangement for hollow objects with an end face Clamping arrangement for hollow objects with an end face

1996-02-01

1997-05-13

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Radially expansible or contractile

279 224, B65H 7524

Patent

active

056284756

ABSTRACT:
The present invention relates to a clamping arrangement for hollow objects, whereby the clamping arrangement is equipped with one or more clamping bodies distributed circumferentially to facilitate the transfer of a lateral force and/or torque applied to the clamping arrangement to a hollow object or vice versa. The clamping arrangement for one or each end of a hollow object comprises of a center body capable of lifting and centering a hollow object; one or more clamping bodies distributed circumferentially and capable of sliding and rotating with respect to the center body in response to contact with the end face of a hollow object while a longitudinal force is applied to the center body or hollow object, and arranged so as to maintain the center position of the center body inside the hollow object during the clamping motion; and a containment ring elastically extendible or elastically and radially expandable, and arranged so as to restore the retracted position of the clamping bodies when the lateral force applied to the center body is removed.

REFERENCES:
patent: 2369093 (1945-02-01), Washam
patent: 3704837 (1972-12-01), Heinz et al.
patent: 4291844 (1981-09-01), Blickley et al.
patent: 4715553 (1987-12-01), Hatakeyama et al.
patent: 4773656 (1988-09-01), Chlupsa
patent: 4795106 (1989-01-01), Weiss et al.

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