Test access apparatus

Details Test access apparatus Test access apparatus

1979-09-26

1981-11-03

Abrams, Neil

Geometrical instruments

339 18R, 339 75M, 339 91R, 339255R, H01R 13629

Patent

active

042982391

ABSTRACT:
Portable test apparatus utilized to access a field of test points comprises either a single access tool (100) or a multiple access adaptor (200) depending on the mode of testing required. Tool (100) is usually employed for accessing the field to effect a periodic testing whereas adaptor (200) is generally used for planned test activities. Tool (100) comprises body (111), guide assembly (150) and cover plater (170) which house clamp assembly (130) and pin contact assembly (180). Clamp assembly (130) operates in scissor-like fashion for engaging and disengaging tool (100) from test field grips (401). Spring-loaded pins (181) penetrate apertures (403) within the test field to contact the test points. Adaptor (200) comprises body (211), center panel (240) and guide (260) which enclose pin contact assembly (280); in addition, cam-lever drive assembly (210) attached to body (211). Drive assembly (210) has means for grasping a frame (50) associated with the test field so as to draw body (211) towards frame (50). In the engaged position, spring-loaded pins (281) contact the test point. Recesses (266) in the front face of guide (260) align juxtaposed test field grips to establish a uniform field of test points.

REFERENCES:
patent: 2430011 (1947-11-01), Gillentine
patent: 2432120 (1947-12-01), Neill
patent: 2746022 (1956-05-01), Gilbert
patent: 2928998 (1960-03-01), Brumfield
patent: 3275971 (1966-09-01), King
patent: 3509297 (1970-04-01), King
patent: 3555487 (1971-01-01), Jones
patent: 3575685 (1971-04-01), Gley

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