Lighting apparatus

  • US 7,222,997 B2
  • Filed: 09/06/2005
  • Issued: 05/29/2007
  • Est. Priority Date: 09/06/2001
  • Status: Active Grant
First Claim
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1. A lighting apparatus, which lighting apparatus has a light path defined therethrough, the lighting apparatus comprising:

  • an effect wheel having a rotational centre and an effect region located radially outwardly of the rotational centre, the effect region being configured to alter the visual appearance of a light beam passing therethrough;

    a washer of magnetic material bonded to the rotational centre of the effect wheel about its rotational centre;

    a rotation mechanism having a drive member and arranged to rotate the effect wheel about the centre, drive member having a magnetic portion arranged to attach to the magnetic washer material, wherein the drive member of the rotation mechanism is removably connected to the rotational centre of the effect wheel for rotation therewith by magnetic attraction; and

    at least one locating formation configured to engage with a complementary locating formation on said effect wheel to locate the effect region in position on said fixture.

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