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US 4,053,225 AGranted
Portable copier
AssigneeOhno Research & Development Laboratories Co.
InventorHisao Morohashi
Life of this patent
Estimating the term…
Abstract
A contact exposure unit having a transparent contact surface and a liquid development unit having means for preventing leakage of a developer are, respectively, constructed as independent units. The exposure unit and the development unit are adapted to be releasably combined with each other thereby to form a portable copier. Outer housings of the exposure and the development units constitute in combination the housing of the portable copier.
Claims20
A portable copier, comprising:
- a. a contact exposure unit including
- 1. a first housing part having at one face side thereof a light-pervious exposure contact surface, and
- ii. exposure means disposed in said first housing part and having a light source for illuminating said exposure contact surface;
- b. a liquid development unit including
- i. a second housing part having an access face side, and
- ii. liquid development means disposed within said second housing part and comprising a developing chamber and slot means located at said access face side to provide openings for inserting photosensitive and transfer papers into and withdrawing them from said developing chamber;
- and
- c. means for separably connecting said first and second housing parts to each other such that said first and second housing parts, when interconnected, locate said exposure contact surface in face to face relation with said slot means and coact to form a complete outer housing for the copier.
5 more elements
Dependencies are inferred from the claim text.