Pivot Point, Incorporated

Harry Swenson, Iii

Romy Baus

A self-locking pin having a shaft, a headed end, and detent means biased in a bore in the pin. The portion of the detent or plunger that extends outwardly from the bore is wedge-shaped, while the portion of the plunger disposed inside the bore is cylindrical. A transitional angle is formed at the point where the configuration of the plunger changes from cylindrical to wedge-shaped. The transitional angle defines shoulders on either side of the plunger. The shaft is staked at points along the perimeter of the bore so that the inwardly extending surface created by the staking abuts the shoulders and prevents the plunger from rotating or being removed from the bore. In an alternate embodiment, the plunger may be rotated to a locked depressed position.

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Hustisford, WI, United States of America

Harry Swenson, Iii