Patent ID: 9297630
Filing Date: 2016-03-29
CPC Classification: G01B

Claim Text:
1. An apparatus of measuring a workpiece, comprising: a base, comprising: a measuring member movably positioned at the horizontal rail, the measuring member includes a frame driving portion, an upper pivoting portion and a lower pivoting portion; an upper arm member, comprising: a lower arm member, comprising: a first pin, configured to selectively connect the upper rotation frame with the lower rotation frame; and a second pin, configured to selectively lock the lower rotation frame to the measuring member; wherein when the first pin is moved to disconnect the upper rotation frame from the lower rotation frame, the upper rotation frame is rotatable; wherein when the second pin is moved to lock the lower rotation frame to the measuring member, the lower rotation frame is unrotatable; and wherein when the first pin is moved to connect the upper rotation frame and the lower rotation frame with each other and the second pin is moved to unlock the lower rotation frame from the measuring member, the lower rotation frame is rotatable with the upper rotation frame.