Gripper and driving method using the same

Details Gripper and driving method using the same Gripper and driving method using the same

2009-02-02

2011-11-29

Caputo, Lisa (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specimen clamp, holder, or support

Reexamination Certificate

active

08065920

ABSTRACT:
A gripper and a driving method using the same are disclosed, wherein an actuator has a configuration combined with a piezoelectric operating unit and a bending structure, whereby an amount of variation of a gap between fingers are amplified more than that of the piezoelectric operating unit by generating a movement of the fingers perpendicular to a movement direction of the piezoelectric operating unit, and wherein the gripper having arms including a strain gauge sensor can precisely measure a force applied to a micro object.

REFERENCES:
patent: 5224386 (1993-07-01), Curtis
patent: 5651574 (1997-07-01), Tanikawa et al.
patent: 7461882 (2008-12-01), Choi et al.
patent: 2004/0103740 (2004-06-01), Townsend et al.
patent: 2009/0025502 (2009-01-01), Nakamoto
patent: 2009028859 (2009-01-01), None

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