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Indicator element

  • US 5,349,509 A
  • Filed: 02/18/1993
  • Issued: 09/20/1994
  • Est. Priority Date: 02/28/1992
  • Status: Expired due to Term
First Claim
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1. An indicator element comprising a light permeable cap (6), a light source (26, 50) arranged to direct light through said cap, a protective sleeve (32) axially arranged with respect to said cap in an inner chamber of which connecting conductors (54, 55) for said light source (26, 50) extend, an outer sleeve (2) at least partially surrounding said cap (6) and said protective sleeve (32), said cap (6) and said protective sleeve (32) being fastened in said outer sleeve (2);

  • wherein said outer sleeve is provided with an external thread (16) and has a radially outwardly extending, rearwardly facing contact surface (14), said external thread directly adjoining said contact surface.

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