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Thin Core Support System for Conveyance of Panels Using Non-Contact Horizontal Developing

IP.com Disclosure Number: IPCOM000038341D
Original Publication Date: 1987-Jan-01
Included in the Prior Art Database: 2005-Jan-31
Document File: 2 page(s) / 43K

Publishing Venue

IBM

Related People

Corrado, DJ: AUTHOR

Abstract

The transport of thin printed circuit panels on conveyor frames through a horizontal developer requires that the panels be held firmly to prevent them from slipping or falling off the conveyor during processing. A support system that secures panels by means of a tension frame which contacts the panel only in circuit-free areas works as follows. The panel (not seen) is supported by support screws 1 which are on all four sides of the frame 2. Frame 2 consists of two drive chains 3 and two cross members 4. The leading edge of panel is held by U-clamps 5 (seen in closed or down position in the drawing). The U-clamps 5 are held in place by hinges 6. The trailing edge of the panel is held by backer plates 7 which are rectangular metal sheets which are mounted to cross members 4 by screws 8 and lock nuts (not seen).

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Thin Core Support System for Conveyance of Panels Using Non-Contact Horizontal Developing

The transport of thin printed circuit panels on conveyor frames through a horizontal developer requires that the panels be held firmly to prevent them from slipping or falling off the conveyor during processing. A support system that secures panels by means of a tension frame which contacts the panel only in circuit-free areas works as follows. The panel (not seen) is supported by support screws 1 which are on all four sides of the frame 2. Frame 2 consists of two drive chains 3 and two cross members 4. The leading edge of panel is held by U-clamps 5 (seen in closed or down position in the drawing). The U-clamps 5 are held in place by hinges 6. The trailing edge of the panel is held by backer plates 7 which are rectangular metal sheets which are mounted to cross members 4 by screws 8 and lock nuts (not seen). The backer plates 7 are slightly curved and act as springs when the screws 8 are tightened into the lock nuts by turning screws 8 clockwise. When the backer plate 7 is tightened, this serves as an adjusting mechanism to tighten the frame 2 which holds the panel. The backer plates 7 and the U-clamps 5 prevent the panel from moving while the conveyor is going through the horizontal developer. Turning the backer screws 8 counterwise moves the backer plates 7 away from the cross members 4 by contacting the frame 2.

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