Quick release/eject drive assembly

Details Quick release/eject drive assembly Quick release/eject drive assembly

2005-01-11

2005-01-11

Tolan, Ed (Department: 3725)

Metal deforming

By use of tool acting during relative rotation between tool...

Tool orbiting or rotating about an axis

C072S391400, C072S391800

Reexamination Certificate

active

06840075

ABSTRACT:
A quick release drive assembly intercouples a reversible hand held motor and a drive screw for mounting blind fasteners in place. A replaceable adaption assembly includes the drive screw, the nosepiece of the unit and a drive adaptor for supplying torque from the motor to the drive screw. An outer housing is coupled to the nosepiece by three ball bearings which extend into a peripheral groove in the nosepiece, and which are held in place by a locking zone of reduced inner diameter in a quick release sleeve. The quick release sleeve has an adjacent release zone of increased inner diameter, into which the ball bearings may shift. A locking spring biases the quick release sleeve to its locked position. An eject spring is operative when the quick release sleeve is shifted to its released position, to eject the adaption assembly. A spring limiting sleeve limits the travel of the ejection spring and also holds the quick release sleeve in its released position until a new nosepiece assembly is inserted into the housing. A locking pin secured to the housing extends through a slot in the quick release sleeve to positively lock the sleeve in its locked position, except for one angular orientation of the quick release sleeve.

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