Patent attributes
A manual chuck includes a turbine having a centrally disposed aperture and a spindle including an elongated shaft portion positionable into the aperture in a substantially vertical direction. The spindle further includes a head portion integral with the shaft portion and a centrally disposed aperture formed therein and extending substantially vertically and downwardly through the shaft portion. The chuck function includes a locking member substantially aligned with the spindle aperture and for allowing the chuck to be rotated between predetermined locked and unlocked positions. The chuck further includes a cap for causing the spindle and the locking member to rotate respectively and a plurality of flexible washers disposed between the cap and the locking member.
