Photocopying – Contact printing – Light boxes
Patent
1986-10-10
1987-09-22
Mathews, A. A.
Photocopying
Contact printing
Light boxes
355 30, G03D 1300
Patent
active
046951466
ABSTRACT:
A fume and heat exhaust system to be used in conjunction with a high-speed photo print processor which requires for its operation that the user be positioned in close proximity to the processor front panel. The processor front panel includes an opening for finished photo discharge into a tray therebelow. The invention, connectable to the front panel, includes a blower having an inlet matably aligned with one end of a rigid contoured hood, the upper margin of which is mounted against the front panel above the opening. The rigid hood is contoured outwardly and downwardly to its lower, outer margin to cover the opening and tray such that the heated fumes which discharge and rise from the opening are collected within the chamber formed by the inner surface of the hood and front panel for removal by the blower. The lower margin of the hood may also include a flexible curtain downwardly disposed therefrom to further reduce the quantity of heated fumes escaping from the chamber while still allowing user access to, and viewing the contents of, the tray. The hood and curtain may be transparent to provide said user visibility of tray contents. A flexible exhaust hose may also be connected to the blower outlet for conveying the heated fumes away from the user's work area.
REFERENCES:
patent: 2975695 (1961-03-01), Tsuno
patent: 3208335 (1965-09-01), Doherty
patent: 4059409 (1977-11-01), Barto
patent: 4377331 (1983-03-01), Seelenbinder et al.
Mathews A. A.
Prescott Charles J.
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