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US 4,153,365 AGranted
Portable copier using flash lamp article
AssigneeGTE Sylvania Incorporated
InventorsGeorge J. English, Timothy Fohl
Life of this patent
Estimating the term…
Abstract
A low-cost, portable copier for exposing a photosensitized sheet through a stencil placed thereon. The sheet and stencil, in the form of a "sandwich", are positioned on the copier's cover member which is then pivoted to a closed position against the copier's housing. A flash lamp article, including a tapered casing having a percussively-ignitable flash lamp therein, is inserted within the housing and activated by a resilient cantilever member located therein.
Claims8
A portable copier for exposing a sheet of photosensitized material through a stencil, said copier comprising:
- a housing defining a chamber therein, said chamber including first and second opposing end portions;
- a cover member movably oriented on said housing and adapted for forming a closure for said first end portion of said chamber, said cover member adapted for having said photosensitized sheet and said stencil located thereon whereby said sheet and stencil will be positioned adjacent said first end portion of said chamber when said cover member forms said closure therefor;
- a flash lamp article adapted for being manually positioned within said second end portion of said chamber, said flash lamp article including a casing member and a chemical flash lamp positioned therein;
- and
- activation means located within said second end portion of said chamber for activating said chemical flash lamp when said flash lamp article is positioned within said second end portion, the radiant energy from said flash lamp being directed toward said photosensitized sheet and stencil.
2 more elements
Dependencies are inferred from the claim text.