BENDING ACTUATOR ELEMENT AND BENDING ACTUATOR MODULE

The invention relates to a bending actuator element (1, 40) comprising a protective casing (3) and a bending actuator (4) accommodated therein, and a flat support (6) and a piezoelectrically active coating (7) applied to at least one side thereof. The bending actuator (4) is substantially enclosed b...

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Bibliographic Details
Main Authors RUETTEL, MARTIN, KREMER, HUBERT, GUENTHER, JUERGEN, SCHLEICHER, JUERGEN, KLUMP, STEFAN
Format Patent
LanguageEnglish
French
German
Published 26.05.2010
Subjects
BRAIDING
ELECTRICITY
KNITTING
LACE-MAKING
NON-WOVEN FABRICS
TEXTILES
TRIMMINGS
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Summary:The invention relates to a bending actuator element (1, 40) comprising a protective casing (3) and a bending actuator (4) accommodated therein, and a flat support (6) and a piezoelectrically active coating (7) applied to at least one side thereof. The bending actuator (4) is substantially enclosed by the protective casing (3) and is directly fastened in the protective casing (3) with its fixed end (9). The invention further relates to a bending actuator module (28) having a plurality of said bending actuator elements (1, 40). The fact that the bending actuator (4) is immobilized inside a protective casing (3) allows a unit that can be easily mounted, the risk of being damaged due to the destruction of the piezoelectric coating (7) during mounting or transport being substantially reduced compared to bending actuators of the prior art.
Bibliography:Application Number: EP20080801821