High torque fastener head

Details High torque fastener head High torque fastener head

1976-02-23

1977-07-26

Frazier, Roy D.

Bridges

145 50A, F16B 2300

Patent

active

040375145

ABSTRACT:
There is disclosed a novel high torque fastener head for screwdriver type fasteners wherein the head has formed therein an arcuate slot transverse to and intersecting the longitudinal axis of the fastener. The shape of the slot is such as to avoid damage to the head when torquing or drive forces are applied by a driving implement.

REFERENCES:
patent: 379200 (1888-03-01), Hanlon
patent: 1088046 (1914-02-01), Turner
patent: 2182568 (1939-12-01), Olson
patent: 2322509 (1943-06-01), De Vellier
patent: 2338024 (1943-12-01), Bugg
patent: 2384264 (1945-09-01), Schlueter
patent: 2394104 (1946-02-01), Rankin
patent: 2418960 (1947-04-01), Todd
patent: 2677985 (1954-05-01), Vaughn
patent: 2808087 (1957-10-01), Vaughn
patent: 3212392 (1965-10-01), Wald
patent: 3331274 (1967-06-01), Walton
patent: 3540342 (1970-11-01), Vaughn
patent: 3808937 (1974-05-01), Roehrig
patent: 3872904 (1975-03-01), Barlow
patent: 3874258 (1975-04-01), Semola et al.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-719042