Polymer actuator

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FIG. 1 is a perspective view of a polymer actuator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an exploded perspective view thereof, shown in a used condition with polymer thin film shown in broken lines.

The broken lines shown in the drawings form no part of the claimed design.

The dash-dot lines represent only the boundary between the claimed design and the unclaimed environment.


The ornamental design for a polymer actuator, as shown and described.

Referenced Cited
U.S. Patent Documents
D330363 October 20, 1992 Inoi
5452878 September 26, 1995 Gravesen
6376971 April 23, 2002 Pelrine
D493135 July 20, 2004 Moler
D493416 July 27, 2004 Moler
D496330 September 21, 2004 Moler
D563865 March 11, 2008 Ahlgren
9433537 September 6, 2016 Zelka
20100007245 January 14, 2010 Jager
20120169184 July 5, 2012 Pelrine
20130175898 July 11, 2013 Brokken
20130176608 July 11, 2013 Brokken
Patent History
Patent number: D892752
Type: Grant
Filed: Feb 27, 2018
Date of Patent: Aug 11, 2020
Assignee: TOYODA GOSEI CO., LTD. (Aichi-pref.)
Inventors: Genki Sago (Kiyosu), Nozomu Uesugi (Kiyosu), Yasuyuki Nakamura (Kiyosu), Kazumasa Baba (Kiyosu)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/638,396