Power screwdriver

Details Power screwdriver Power screwdriver

1998-06-30

1999-09-07

Smith, Scott A.

Tool driving or impacting

Automatic control of power operated means

Drive means responsive to torque or speed condition

173216, 192 545, 192150, 227136, B25B 2100, B25B 2314

Patent

active

059472103

ABSTRACT:
A power screwdriver has a tool body, a motor, a drive member rotatably driven by the motor, a spindle rotatably mounted on the tool body and a clutch mechanism provided between the drive member and the spindle. The clutch mechanism includes an engaging clutch and a synchronizer device. The synchronizer device is operable to rotate the spindle at a predetermined speed that is substantially equal to or less than the rotational speed of the drive member, prior to connection of the engaging clutch.

REFERENCES:
patent: 5271471 (1993-12-01), Sasaki
patent: 5343961 (1994-09-01), Ichikawa
patent: 5372206 (1994-12-01), Sasaki et al.
patent: 5458206 (1995-10-01), Bourner et al.
patent: 5538089 (1996-07-01), Sanford
patent: 5568849 (1996-10-01), Sasaki et al.
patent: 5687624 (1997-11-01), Tsuge et al.

Affiliated with

Also associated with

Rating

Power screwdriver does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Power screwdriver, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power screwdriver will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1794401