Screw fastener

Details Screw fastener Screw fastener

2011-04-26

2011-04-26

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S057400

Reexamination Certificate

active

07930955

ABSTRACT:
A screw fastener includes a screwdriver that includes a sleeve having an absorption hole configured to absorb a top surface of a screw, a bit housed in the absorption hole and having a tip engageable with a recess of the screw, and a rotation unit configured to rotate the bit with the sleeve, a movement unit configured to move the screwdriver between a container configured to accommodate the screw and a work, an optical sensor provided to the sleeve and configured to detect the recess of the screw while a bottom surface of the sleeve and a top surface of the screw are arranged in noncontact manner, and a controller aligns the tip of the bit with the recess of the screw based on a detection result of the pressure detector.

REFERENCES:
patent: 6418818 (2002-07-01), Tham et al.
patent: 6681659 (2004-01-01), Hoe et al.
patent: 7040196 (2006-05-01), Ormachea et al.
patent: 7586284 (2009-09-01), Akita
patent: 3-221331 (1991-09-01), None
patent: 4-075828 (1992-03-01), None
patent: 5-60736 (1993-08-01), None
patent: 2008142824 (2008-06-01), None
patent: 2008200799 (2008-09-01), None
patent: 2007/105257 (2007-09-01), None
patent: WO 2008099491 (2008-08-01), None
International Search Report of PCT/JP2008/053797, mailing date of Apr. 1, 2008.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2734024