Anti-cross threading fastener

Details Anti-cross threading fastener Anti-cross threading fastener

1997-05-20

1998-08-11

Saether, Flemming

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

411411, F16B 2500

Patent

active

057918490

ABSTRACT:
A self-aligning, anti-cross threading fastener having first and/or second members with lead threads having a curved surface feature from the minor diameter to the major diameter which allows the surface of the lead threads to cam over the mating threads of the other member and thereby aligning collinearly the longitudinal axis of the two members. The initial presentation angle of the two threaded members may be restricted and therefore enhanced by providing a protruding diameter feature.

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patent: 5259398 (1993-11-01), Vrespa
patent: 5304022 (1994-04-01), Huska
patent: 5320467 (1994-06-01), Erbes

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