Exposure frame assembly

Details Exposure frame assembly Exposure frame assembly

1993-08-17

1994-11-15

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355231, G03B 2762

Patent

active

053653092

ABSTRACT:
A exposure frame assembly for use with a contact and off contact photo exposure machine which includes a removable upper tray frame coupled to a lower tray frame. In use, a pair of pneumatically operated rams capture hinge pivot rollers mounted on the upper tray frame and actuate a pair of tray lift rollers which are also attached to the upper tray frame. In operation, the motion of the pneumatic ram act on the tray lift rollers to open the exposure frame assembly for access to the work-piece.

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patent: 5128713 (1992-07-01), Watanabe
patent: 5177535 (1993-01-01), Watanabe

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