Color wheel having a limiting element for preventing radial...

Details Color wheel having a limiting element for preventing radial... Color wheel having a limiting element for preventing radial...

2006-02-14

2006-02-14

Boutsikaris, Leonidas (Department: 2872)

Optical: systems and elements

Absorption filter

With support or frame

C359S891000, C359S885000, C348S743000, C356S418000, C353S084000, C362S293000

Reexamination Certificate

active

06999252

ABSTRACT:
A color wheel includes a carrier, a color filter assembly mounted coaxially on the central boss and formed by a plurality of annularly arranged filter segments, a press cover connected to the carrier to press the filter segments against the carrier, and a limiting element. The color filter assembly defines inner and outer peripheries, upper and lower surfaces extending between the inner and outer peripheries, and an engaging element projecting axially from one of the upper and lower surfaces. The limiting element projects axially toward the engaging element from one of the carrier and the press cover to engage the engaging element so as to prevent the color filter assembly from displacing radially from an axis of the carrier due to a centrifugal force.

REFERENCES:
patent: 4076393 (1978-02-01), Bates
patent: 6715887 (2004-04-01), Chang
patent: 334891 (1986-09-01), None
patent: 528170 (2003-04-01), None

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