Torque-applying, freely-reversible tool and drive-handle coupling with direction of torque-application selection

摘要

A torque-applying coupling comprising a housing having members at its opposite ends for receiving a handle element and a tool element. Means is provided for operatively connecting said receiving members and comprises a double-spring clutch in the housing and a tool drive-shank disposed within the clutch for axial and rotative movement, along with a plurality of axially-aligned connecting and drive sleeves disposed within said spring clutch. The shank carries a drive portion which is axially movable with the shank into selective engagement with the sleeves to drive the shank in the desired direction.