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Patent Searching and Data


Title:
ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2019/189342
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an actuator in which jamming of sliding surfaces hardly occurs and a desired operation can be reliably performed. The actuator (1) is provided with: a housing (3); a shaft (4) having one end side housed in the housing (3) and the other end side placed outside the housing (3) and capable of moving along the axial direction; polymer material actuators (5), (6) housed in the housing (3), having one end connected to the inside of the housing (3) and the other end connected to the shaft (4), and expanding and contracting by the application of voltage; and a movement adjustment portion for adjusting the movement of the shaft (4) in accordance with the position of the shaft (4). The movement adjustment portion has: an electric motor (7) installed on the housing (3); a cam (9) connected to the electric motor (7) and rotating by the drive force of the electric motor (7); and a cam follower (10) provided on the shaft (4) and touching the cam (9).

Inventors:
MORISAKI Yuki (2-3, Marunouchi 3-Chome, Chiyoda-k, Tokyo 32, 〒1008332, JP)
KOMATSU Naotaka (2-3, Marunouchi 3-Chome, Chiyoda-k, Tokyo 32, 〒1008332, JP)
SAIKI Yasuhiro (2-3, Marunouchi 3-Chome, Chiyoda-k, Tokyo 32, 〒1008332, JP)
OYAMA Kenichi (2-3, Marunouchi 3-Chome, Chiyoda-k, Tokyo 32, 〒1008332, JP)
Application Number:
JP2019/013152
Publication Date:
October 03, 2019
Filing Date:
March 27, 2019
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (2-3 Marunouchi 3-Chome, Chiyoda-ku Tokyo, 32, 〒1008332, JP)
International Classes:
H02N11/00; F16H25/14; H02K7/06
Domestic Patent References:
WO2005071826A12005-08-04
Foreign References:
JP2009159664A2009-07-16
JP2006520180A2006-08-31
JP2005282708A2005-10-13
Attorney, Agent or Firm:
FUJITA, Takaharu (37F The Landmark Tower Yokohama, 2-2-1 Minatomirai, Nishi-ku, Yokohama-sh, Kanagawa 37, 〒2208137, JP)
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