Polishing tool for finishing optically effective surfaces on spectacle lenses in particular

  • US 9,089,948 B2
  • Filed: 08/11/2010
  • Issued: 07/28/2015
  • Est. Priority Date: 08/12/2009
  • Status: Active Grant
First Claim
Patent Images

1. A polishing tool for finishing optically effective surfaces of, in particular, spectacle lenses, comprising a base body, at the outer side of which a processing section is provided and which has at its inner side an interior space, which is bounded by a wall surface and a base surface and is for pushing of the base body onto and detenting and mounting with a mount of complementary construction of a tool spindle and has at its base surface entrainer elements for transmission of torque, with which corresponding entrainer counter-elements at the mount are associated, wherein provided between the wall surface and the mount is a retaining ring which is fixed in an axially positioned annular groove in one of the wall surface and mount and which provides detenting with a corresponding axially positioned counter-groove in the other of the wall surface and mount and sealing of the interior space, wherein the detenting arises during the pushing-on before the entrainer elements come into engagement with the entrainer counter-elements, which mounting engagement of the entrainer counter-elements for transmission of torque from the mount to the base body is achievable only when further pushing-on is carried out under cancellation of the detenting of said retaining ring in said annular groove and sealing occurs between the wall surface and the mount.

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