Apparatus for applying tension to studs

Details Apparatus for applying tension to studs Apparatus for applying tension to studs

1985-09-20

1986-08-12

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

B25B 2902

Patent

active

046049185

ABSTRACT:
A stud tensioning apparatus includes an array of arcuate jaw segments that are movable inwardly to cause grooves on the segments to engage the threads of the studs. The tensioning force is applied to the segments by a pull member that has hangers received by apertures in the segments. The hangers fit loosely into the apertures, permitting the segments to move pivotably in two perpendicular directions to compensate for misalignment between the stud and the tensioning apparatus.

REFERENCES:
patent: 1898726 (1933-02-01), Hess
patent: 4175453 (1979-11-01), Exner et al.
patent: 4315446 (1982-02-01), Orban
patent: 4565111 (1986-01-01), Ecker et al.

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