Importance

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Abstract

Plug for sealing or capping the open ends of tubular members, such as tubular rails or railing support members in boats. The plug has a cap from which extend upper, lower, right side and left side rearwardly projecting and connected planar panels. Each of the upper and lower planar panels and one of the side planar panels includes an outwardly protruding array of ramped teeth formed integrally therewith. The other side planar panel lacks an array of ramped teeth. The height of the teeth in each array increases incrementally from a minimum height remote from the cap to a maximum height adjacent to the cap. The ramping of the teeth allows for accommodational frictional engagement with various inside dimensions of tubular rails or railing support members to secure the plug tightly therewithin. A tapered indexing guide bar is located at the junction of the upper planar panel and the side planar panel which lacks an array of ramped teeth. The indexing guide bar serves as an alignment member to facilitate insertion of the plug into the open end of a rail or railing support member and also aids in retaining the plug once it is inserted.

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First Claim