Easy lock safety spring cotter pin

Details Easy lock safety spring cotter pin Easy lock safety spring cotter pin

1995-04-26

1997-09-02

Wilson, Neill R.

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

Fastener securing element

Cotter pin

411530, 411940, 411946, F16B 2114, F16B 2118

Patent

active

056624468

ABSTRACT:
A twist lock insertion and twist release extraction type spring cotter pin having one primary straight end extremity to be inserted through an aperture in a structural element and its opposite adjacent free end extremity consisting of a series of arcuate curves allowing them to partially rotate or counter rotate about the surface of said structural element. And, commensurate with this, an easy grasp handle all made of spring steel type wire. The method of said designed invention allows for a new definition of utility for a spring cotter pin of this particular unique function the extraordinary characteristics of which demonstrate a locking spring pins basic need for a revision of often ignored operational safety features without compromising the new standards it has attained for ease of function yet maintaining its overall convenience, reliability and durability.

REFERENCES:
patent: 2135323 (1938-11-01), Brantingson
patent: 2926033 (1960-02-01), Zarrillo
patent: 4205586 (1980-06-01), MacNeill
patent: 4298299 (1981-11-01), Quarles
patent: 4592689 (1986-06-01), Leitzke
patent: 5217338 (1993-06-01), Czubek

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