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The invention as recited in claim 1, wherein the speed of movement of said copyboard through said exposure station is adjustable to control the degree of exposure of said copy sheet through said original sheet.6.
The invention as recited in claim 1, wherein said developing means includes a closed chamber having sealed inlet and outlet openings accepting said copy sheet for passage therethrough, first means heating said chamber to a first elevated temperature and supplying ammonia and water vapor to the interior thereof, second means heating said chamber to a second elevated temperature greater than said first elevated temperature, and selector means having first and second modes for activating said first and second means, respectively.4.
The invention as recited in claim 21, wherein said film supply means includes a roll of copy film, roller menas capturing the end of said film roll, and drive means imparting rotary motion to said roller means to advance said end of said film roll a preselected amount.23.
The invention as recited in claim 22, wherein said drive means includes a drive wheel operatively connected with said roller means and rotating the same to impart said preselected film advance upon completion of a single revolution of said drive wheel.24.
The invention as recited in claim 8, further including hold-down means responsive to engagement of said copyboard with said roller means for holding said copy sheet against said original sheet as said copyboard moves toward said exposing station.10.
The invention as recited in claim 1, wherein said exposure means includes a source of ultraviolet radiation and roller means mounted in superposition thereof, and wherein said copyboard includes an ultraviolet transmissive plate supporting said original and copy sheets and movable between said roller means and said ultraviolet source whereby said original and copy sheets are held against each other and said transmissive plate by said roller means as said copyboard moves past said ultraviolet source.9.
The invention as recited in claim 6, wherein said register means further includes third and fourth stop means disposed on third and fourth opposite sides of said copyboard and movable relative to each other.8.
OF VAAssignors: CURTIS PAPER COMPANY (VIRGINIA), H. The invention as recited in claim 1, wherein said register means includes first and second stop means disposed on first and second opposite sides of said copyboard and movable relative to each other in response to movement of said copyboard.7.
The invention as recited in claim 10, wherein said developing chamber contains a first heating element maintaining the interior of said chamber at a substantially uniform temperature above room temperature, a second heating element disposed within the upper leg of said chamber maintaining the interior of said upper leg at a temperature above that provided by said first heating element, and a third heating element disposed in a developer-agent receiving tray in the floor of said chamber.21.
(VIRGINIA), JAMES RIVER LIQUIDATING COMPANY (VIRGINIA), JAMES RIVER SERVICES COMPANY (DELAWARE), PENINSULAR PAPER COMPANY (MICHIGAN), RIVERSIDE, INC. 355/78 25 Claims, 32 Drawing Figures PAIENTEU 1 75974 3.836.252 SHEET HE D?
355/102 X S a m m w T h& n 0 MC 3 B m cm i AH r we mm Z E, W m mm PA t S e m n w m m e muu e h H c. bfi t Sg P u n b 0 h D-C ASSS g r e m m m .w v M h A Q 3 7 7 .l l County, Pa. 8, 1973 A microfiche duplicator adapted to make single or pp N04 339,284 multiple copies of an original microfiche sheet using roll or sheet supply diazo or vesicular films, with the 52 U. 355/100, 355/97, 355 99 former developed y the e of either an aqueous or 51] Int. G03b 27/30 anhydrous developing agent, and provlding automatic  Field of 355/7s-103 registratiom'handling and Separation of Original and copy sheets in which the original microfiche as well as 5 R f e Cited copies thereof are conveniently returned to the front UNITED STATES PATENTS 9 the apparatus 1,413,406 Huebner...........,...................
The invention as recited in claim 16, wherein said liquid supply means includes a liquid container, a flexible tube connecting said container with said developing-agent receiving tray and having a portion thereof aligned vertically, and fluid control means sequentially closing said vertical portion of said flexible tube at first and second spaced points therealong.18.
The invention as recited in claim 15, wherein said developing means further includes liquid supply means connected with said developing-agent receiving tray to supply a metered amount of liquid thereto.17.
The invention as recited in claim 10, further including conveyor means disposed on said frame below said exposure station and adjacent the lower leg of said chamber for transporting said developed copy sheet from said developing means to a receptacle under said loading station.12.