Groove point screw

Details Groove point screw Groove point screw

1986-09-17

1988-02-16

Ridgill, Jr., James L.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Pilot end having means enhancing fastening or installation

408227, F16B 2500

Patent

active

047251751

ABSTRACT:
A drilling and thread forming fastener is provided having a threaded shank and a pilot end.
A pair of cutting surfaces are provided on the pilot end, each surface terminating in a cutting edge having a linear groove, arcuate in cross-section disposed adjacent the cutting edge.

REFERENCES:
patent: 305625 (1884-09-01), Newey
patent: 3199381 (1965-08-01), Mackey
patent: 3395603 (1968-08-01), Skierski
patent: 3463045 (1969-08-01), Prescott
patent: 3550255 (1968-08-01), Skierski
patent: 4114508 (1978-09-01), Jeal
patent: 4257307 (1981-03-01), Regensburger
patent: 4295768 (1981-10-01), Skierski
patent: 4599024 (1986-07-01), Sano et al.
SFS Koenig Brothers brochure (8 pages) dated 1985 submitted by applicant, Jul. 10, 1987.
SFS-Koenig Jerbin Oungstechnik brochure dated 1985.

Affiliated with

Also associated with

Rating

Groove point screw does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2218093