Internally fitting tool for spinning a hollow element

Details Internally fitting tool for spinning a hollow element Internally fitting tool for spinning a hollow element

2011-08-09

2011-08-09

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S446000

Reexamination Certificate

active

07992468

ABSTRACT:
A spinner tool has a shaft that is receivable in a rotation-imparting device, such as a hand-held drill. The shaft carries mounts in which the shaft rotates. Gripper elements are mounted between the mounts for radial movement relative to the shaft. The shaft is configured to move the gripper elements away from the shaft away from the shaft upon rotation of the shaft. This movement of the gripper elements causes the gripper elements to engage the interior surface of a hollow-cylindrical element in which the tool is inserted, so that the hollow-cylindrical element rotates together with the shaft.

REFERENCES:
patent: 705724 (1902-07-01), Upson
patent: 2528873 (1950-11-01), Dorman
patent: 4741228 (1988-05-01), O'Flaherty
patent: 4762187 (1988-08-01), Haney
patent: 5129291 (1992-07-01), Poniatowski
patent: 5839330 (1998-11-01), Stokka
patent: 6675679 (2004-01-01), Dugan
patent: 6851342 (2005-02-01), Dugan et al.
patent: 6874393 (2005-04-01), Kile
patent: 6904835 (2005-06-01), Dugan et al.

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