Monitor filter

Details Monitor filter Monitor filter

1993-08-25

1995-04-04

Coles, Sr., Edward L.

Television

Video display

Projection device

348823, 348835, 348818, 359601, H04N 572

Patent

active

054041813

ABSTRACT:
A monitor filter includes a body having a front cover formed on an upper edge with a recess having a semi-tubular portion at both ends, a rear cover formed on an upper edge with a recess having a semi-tubular portion at both ends, the semi-tubular portion of the rear cover being adapted to the semi-tubular portion of the front cover to form a tubular portion, a spring fitted in the tubular portion, a screen disposed between the front cover and the rear cover; and a fixing frame having two toothed ends each having a protuberance engaged with the spring, the fixing frame being formed with a groove on a top for receiving the body; whereby the monitor filter can be easily assembled and can be turned over through an angle of 210 degrees thereby making it easier to be cleaned.

REFERENCES:
patent: 923626 (1863-04-01), Rinaldi et al.
patent: 4504867 (1985-03-01), Keller
patent: 4633322 (1986-12-01), Fourny
patent: 4745518 (1988-05-01), Fang
patent: 4788597 (1988-11-01), Gart et al.
patent: 4880300 (1989-11-01), Payner et al.

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