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Plastic filler neck cap

  • US 4,091,955 A
  • Filed: 05/24/1977
  • Issued: 05/30/1978
  • Est. Priority Date: 05/24/1977
  • Status: Expired due to Term
First Claim
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1. In a fuel cap comprising a closure having an axially outer portion and an axially inner portion for engaging and closing a fuel filler neck, and a shell providing a grip cover for said outer portion and a ring for rotatably fastening the shell and closure together, the improvement wherein the shell includes means providing a peripherally extending, axially outwardly facing surface and the ring includes means providing a peripherally extending, axially inwardly facing surface for engaging the axially outwardly facing surface of the shell and capturing the closure and shell rotatably together, at least one of the axially facing surfaces being interrupted to provide peripherally spacedapart engaging segments and clearance segments, and at least one of the shell and ring being provided with a plurality of peripherally and radially extending slots axially spaced from its axially facing interrupted surface, each slot being peripherally aligned with one of said engaging segments.

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