Detecting apparatus

Geometrical instruments – Gauge – Straightness – flatness – or alignment

Reexamination Certificate

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Details

C033S551000

Reexamination Certificate

active

08065812

ABSTRACT:
A detecting apparatus for detecting linearity of an object includes a platform, a slide rail vertically extending from the platform, two standard units slidably mounted to the slide rail, and a detecting unit. The detecting unit includes a mounting block slidably mounted to the slide rail, a test dial indicator fixed to the mounting block and including an elastically extendable spindle, and a detecting bar slidably mounded to the mounting block via a resilient member. The standard units are used to abut against the object to cooperatively define a detection reference plane. A first end of the detecting bar abuts against by the spindle of the test dial indicator, and a second end of the detecting bar is used to contact the object.

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patent: 2009/0106995 (2009-04-01), Zhang et al.
patent: 2010/0242294 (2010-09-01), Zhang
patent: 2011/0036184 (2011-02-01), Zhang

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