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Tether for captive plug of inflation device

  • US 4,004,614 A
  • Filed: 02/13/1976
  • Issued: 01/25/1977
  • Est. Priority Date: 08/01/1975
  • Status: Expired due to Term
First Claim
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1. In a device having a nipple and a closure member for the nipple which spans the opening therethrough, the application of the closure member to and its removal from the nipple involving rotation of the closure member relative to the nipple, the improvement which comprises a tether attaching the closure member to the nipple while permitting its removal therefrom, the tether being made of flexible plastic material in sheet form and having a circular body made substantially of two concentric rings spaced radially from each other, means rotatably securing the inner ring to the nipple inwardly of its outer free end and concentrically therewith, a radial tab connecting the two rings at one zone, a flexible strap connected at one of its ends to the outer edge of the outer ring at a second zone, such second zone being disposed diametrically opposite the first zone, the other end of the flexible strap being connected to the closure member.

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