Etched support post for precise axial alignment between opposing

Details Etched support post for precise axial alignment between opposing Etched support post for precise axial alignment between opposing

1996-04-01

1998-09-22

Noori, Max H.

Measuring and testing

Testing of apparatus

73760, G01N 1900

Patent

active

058117008

ABSTRACT:
A coupling device for ensuring a precise alignment between a disk-drive suspension and a static-attitude testing tool along a predetermined axis. The device consists of the combination of a support post or ridge etched in relief precisely along the longitudinal axis of a disk-drive suspension, or a spherical-radius post protruding through an etched relief, and a compressive mechanism in a static-attitude testing tool adapted to provide a compressive force in a direction coincident with the main axis of the support post in the suspension. A conventional tooling hole is provided at a predetermined location on the suspension, typically along its longitudinal axis, to enable alignment between the testing tool and the suspension. As the tool's compressive mechanism begins pushing against the support post to impart a load, the point of contact between the two is determined by the fixed axial position of the support post and remains fixed even if the testing tool and the suspension are lightly misaligned, thereby causing the force exerted by the compressive mechanism to be transferred to the suspension in perfect alignment with its longitudinal axis, as intended.

REFERENCES:
patent: 4795286 (1989-01-01), Shimoishi et al.
patent: 4842433 (1989-06-01), Otsuka
patent: 5079660 (1992-01-01), Yummura et al.
patent: 5495375 (1996-02-01), Baasch et al.
patent: 5574234 (1996-11-01), Schudel

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