Resonant oscillating mass-based torquing tool

Details Resonant oscillating mass-based torquing tool Resonant oscillating mass-based torquing tool

1997-05-29

1998-12-08

Smith, Scott A.

Tool driving or impacting

Automatic control of power operated means

Drive means responsive to torque or speed condition

173 5, 173 93, 173 935, 173 20, 173117, 173217, 173181, 173183, B25B 1400, B23Q 1709

Patent

active

058457186

ABSTRACT:
Disclosed is a low reaction oscillating mass-based torquing tool wherein an oscillating mass is excited into near resonant oscillation by reversing pulses resulting in increased oscillation about a torsion spring to the point where the torque associated with the energy stored in the torsion spring exceeds the torque required to further tighten a fastener and the torque released from the torsion spring tightens the fastener while a biasing torque assures application of the released torque in the tightening direction only.

REFERENCES:
patent: 4019589 (1977-04-01), Wallace
patent: 4124026 (1978-11-01), Berner et al.
patent: 4524651 (1985-06-01), Dubiel et al.
patent: 4887499 (1989-12-01), Kipfelsberger
patent: 5094301 (1992-03-01), Wipperman et al.
patent: 5285857 (1994-02-01), Shimada
patent: 5457866 (1995-10-01), Noda
patent: 5492185 (1996-02-01), Schoeps et al.
patent: 5637968 (1997-06-01), Kainec et al.

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