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
Patent
1985-09-06
1987-10-06
Wilson, Neill
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
411399, 411421, F16B 2500
Patent
active
046979697
ABSTRACT:
An improved wood screw which is self drilling. The wood screw has a first spiral flute that extends essentially the full length of the screw. The screw also has a second spiral flute which begins at the point of the screw and which terminates a short distance from the point.
REFERENCES:
patent: 45133 (1864-11-01), Bonwill
patent: 877131 (1908-01-01), Searelle
patent: 1235626 (1917-08-01), Woodward
patent: 3136205 (1964-06-01), Ansingh
patent: 3370501 (1968-02-01), Ansingh
Averill, Jr. Edgar W.
Wilson Neill
LandOfFree
Wood 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 Wood screw, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wood screw will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2114893