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Light beam modifier devices

  • US 6,761,467 B2
  • Filed: 04/01/2002
  • Issued: 07/13/2004
  • Est. Priority Date: 07/25/2001
  • Status: Active Grant
First Claim
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1. A device for modifying a light beam emanating from the head of a light beam generator, the device comprising the combination of;

  • a clamp assembly including a substantially tubular member having a front edge and a rear edge and a longitudinal opening defined by longitudinal ends extending between said front and rear edges, a latch pivotally secured to said tubular member on opposing sides of said longitudinal opening and manually operable to a latched position maintaining the width of said opening for clamping said tubular member about the light beam generator head, said latch manually operable to an unlatched position permitting the width of said opening to be increased for unclamping said tubular member from the light beam generator head;

    a door pivotally secured to said clamp assembly and including a light modifier element, said door being pivotable to a closed position placing said light modifier element in the path of a light beam generated by the light beam generator when said tubular member is clamped to the light beam generator head, said door being pivotable for maintaining said door in an open position with said light modifier element out of the path of the light beam; and

    a door latch including a manually actuable latching member on said door in cooperative latching relation with said clamp assembly for latching said door in said closed position to said clamp assembly, said door latch including a spring biasing said latching member for latching said door in said closed position, said latching member being manually actuable against the bias of said spring for unlatching said latching member for permitting opening of said door.

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