PIEZOELECTRIC DRIVE DEVICE AND ROBOT

A piezoelectric drive device (11, 11A, 11B) includes multiple piezoelectric drive units (10) that each have a contact portion (20) which can come into contact with a driven portion (50), and that each have a piezoelectric substance (140). The number of the multiple piezoelectric drive units (10) is...

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Bibliographische Detailangaben
1. Verfasser:	Miyazawa, Osamu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHAMBERS PROVIDED WITH MANIPULATION DEVICES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING
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Beschreibung
Zusammenfassung:	A piezoelectric drive device (11, 11A, 11B) includes multiple piezoelectric drive units (10) that each have a contact portion (20) which can come into contact with a driven portion (50), and that each have a piezoelectric substance (140). The number of the multiple piezoelectric drive units (10) is 10 or more, an overall output from the multiple piezoelectric drive units (10) is 0.3 W or greater, and a weight of each of the piezoelectric drive units (10) is 1 µg to 5 g.