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Patent Searching and Data

Document Type and Number:
Japanese Patent JP2005054862
Kind Code:

To freely adjust output of a driving mechanism by adjusting discharge quantity of pressure fluid to be supplied to the driving mechanism, and to miniaturize an actuator by integrally providing a pump mechanism with the driving mechanism.

This actuator 10 is provided with a pump driving unit 12 to be driven for rotation by the current, the pump mechanism 16 connected to the pump driving unit 12 to suck/discharge the pressure oil, and a cylinder mechanism 22 integrally provided with an upper part of the pump driving unit 12 and the pump mechanism 16 and having a piston 18 to be displaced along the axial direction by supplying the pressure oil. Discharge quantity of the pressure oil to the cylinder mechanism 22 is adjusted by freely changing angle of tilting of a tilting member 80 provided inside the pump mechanism 16.

Nagai, Shigekazu
Saito, Akio
Saito, Masaru
Application Number:
Publication Date:
March 03, 2005
Filing Date:
August 01, 2003
Export Citation:
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International Classes:
B25B5/06; F15B7/00; F15B15/18; (IPC1-7): F15B15/18
Attorney, Agent or Firm:
千葉 剛宏
宮寺 利幸