Anti-cross thread fastener with cleaning tip

Details Anti-cross thread fastener with cleaning tip Anti-cross thread fastener with cleaning tip

1993-08-19

1995-05-30

Lindsey, Rodney M.

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

411418, F16B 2500

Patent

active

054196671

ABSTRACT:
A threaded fastener has an eccentric tip with a smooth portion, a threaded portion and a cleaning recess formed into the threaded portion of the tip. The recess and tip are formed in the heading operation prior to rolling the threads onto the shank which provides better thread quality.

REFERENCES:
patent: 3942406 (1976-03-01), Egner
patent: 3978760 (1976-09-01), Muenchinger
patent: 4655661 (1987-04-01), Brandt
patent: 4673323 (1987-06-01), Russo
patent: 4789288 (1988-12-01), Peterson
patent: 4915560 (1990-04-01), Peterson et al.
patent: 4952110 (1990-08-01), Avgoustis et al.
patent: 4963064 (1990-10-01), Peterson
patent: 4981406 (1991-01-01), Weiss et al.
patent: 5064327 (1991-11-01), Hughes
patent: 5244327 (1993-09-01), Whitesell

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