Patent ID: 11933719
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Measurement (Instruments)
Classification: CPC G  H  B | IPC B  G  H

Claim 3:
4. The posture adjustment device of claim 1, wherein the movable bracket comprises a first movable plate, a second movable plate and a third movable plate; the plurality of piezoelectric adjusting bolts comprise a first piezoelectric adjusting bolt, a second piezoelectric adjusting bolt, a third piezoelectric adjusting bolt, a fourth piezoelectric adjusting bolt, a fifth piezoelectric adjusting bolt, a sixth piezoelectric adjusting bolt, a seventh piezoelectric adjusting bolt and an eighth piezoelectric adjusting bolt;
the first movable plate and the second movable plate are located on two opposite sides of the optical sensor to be detected; the first movable plate is connected with the fixed bracket through the first piezoelectric adjusting bolt and the second piezoelectric adjusting bolt; the second movable plate is connected with the fixed bracket through the third piezoelectric adjusting bolt and the fourth piezoelectric adjusting bolt;
the third movable plate is connected with the first movable plate through the fifth piezoelectric adjusting bolt and the sixth piezoelectric adjusting bolt; and the third movable plate is further connected with the second movable plate through the seventh piezoelectric adjusting bolt and the eighth piezoelectric adjusting bolt.