Test fixtures for testing of printed circuit boards

Details Test fixtures for testing of printed circuit boards Test fixtures for testing of printed circuit boards

1997-02-11

1999-09-28

Bryant, David P.

Metal working

Method of mechanical manufacture

Assembling or joining

29559, 361784, 361804, 174166S, B23Q 300

Patent

active

059568356

ABSTRACT:
There is disclosed a fastener useful for the precise positioning of a plurality of plates in a parallel, spaced-apart array. The fastener has a cylindrical standard with distal fixed abutments and carries a plurality of spacers that are axially adjustable on the standard. At least one spacer is axially extendable, and has a user-adjustable cam to control its axial length, thereby accommodating for variable thicknesses of the intermediate plates. The fastener is disclosed as particularly useful for the precise orientation of the parallel plates of a fixture used in equipment for automated testing of printed circuit boards.

REFERENCES:
patent: 2940016 (1960-06-01), Flint et al.
patent: 4730237 (1988-03-01), Locker
patent: 4760495 (1988-07-01), Till
patent: 4875140 (1989-10-01), Delpech et al.
patent: 4969065 (1990-11-01), Petri
patent: 5223674 (1993-06-01), Reznikov
patent: 5340258 (1994-08-01), Simon

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