US 7,320,524 B2 | ||
Projector and air filtration device thereof | ||
Hsuan-Cheng Lee, Kaohsiung (Taiwan); and Chang-Chien Li, Taoyuan (Taiwan) | ||
Assigned to Benq Corporation, Taoyuan Shien (Taiwan) | ||
Filed on May 10, 2005, as Appl. No. 11/126,133. | ||
Claims priority of application No. 93113203 A (TW), filed on May 11, 2004. | ||
Prior Publication US 2005/0254021 A1, Nov. 17, 2005 | ||
Int. Cl. G03B 21/26 (2006.01); G03B 21/22 (2006.01); G03B 21/00 (2006.01); A47B 8/10 (2006.01); F24F 13/08 (2006.01) |
U.S. Cl. 353—60 [353/119; 312/10.1; 454/358; 454/367] | 14 Claims |
1. A projector, comprising:
a casing; and
an air filtration device, disposed within the casing and including:
a holder;
a filter; and
a rack movably disposed in the holder for supporting the filter; wherein when the rack moves to a first position, the rack
is received within the holder, and when the rack moves from the first position to a second position, the filter is released
from the rack for replacement wherein the rack further includes:
a first frame; and
a second frame, pivotally connected with the first frame; wherein the filter is disposed between the first frame and the second
frame.
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