John A Nagel

US Patent:

42309867, Oct 28, 1980

Filed:

Dec 18, 1978

Appl. No.:

5/970768

Inventors:

Richard A. Deaver - Wichita KS
Ralph C. Eifort - Wichita KS
John A. Nagel - Wichita KS

Assignee:

NCR Corporation - Dayton OH

International Classification:

G01R 3122

US Classification:

324158F

Abstract:

An apparatus for facilitating the servicing of a printed circuit board which is removed from a support structure. An extender board is inserted into the space from which the board to be serviced is removed, and the extender board has zero-insertion-force connectors thereon to provide electrical connections to the board to be serviced. A collapsible support is used to support the board being serviced, and additional power connections are supplied to enable the board being serviced to maintain normal board-to-board signal flow while being examined outside of the support structure.