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Lin Chin Hsiung

Chyi-Yiing Wu

An automatic optical plumbing instrument includes: an objective telescopically mounted at a front portion of a telescopic housing adjacent to an object to be observed, an ocular telescopically mounted at a rear portion of the housing adjacent to an observer's eye, and a transparent plumbing protractor defining a plumbing line thereon and mounted in the housing between the objective and the ocular, whereby upon entrance of a vertical line (or plane) of the object into the instrument to form an image therein, a verticality of the vertical line (or plane) of the object can be checked whether the vertical line is aligned with the plumbing line marked on the protractor, thereby providing a plumbing instrument for calibrating a verticality of the object.

Automatic optical plumbing instrument

An automatic optical levelling, plumbing and verticality-determining appartus includes: a base, a supporting and driving means adjustably standing on the base for supporting a frame having a plumb device secured to a horizontality calibrator universally pendulously mounted on the frame, a pair of plumb-line illuminators respectively secured on a top and a bottom portion of the plumb device for emitting an upper and a lower optical beam towards a ceiling and a ground floor for calibrating a vertical plumb line, a horizontal-line illuminator and a vertical-line illuminator symmetrically disposed on opposite ends of a T-shaped adapter mounted on a top of the plumb device and the horizontality calibrator for respectively emitting a horizontal optical line and a vertical optical line for determining or calibrating a horizontal plane and a vertical plane.

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Taipei, Taiwan

Lin Chin Hsiung