Title:
油圧作動機
Document Type and Number:
Japanese Patent JP3612184
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a hydraulic actuator that is easy in oil supply, oil replacement and bag attaching in manufacturing and can be manufactured with ease. SOLUTION: This hydraulic actuator comprises at least one accomodation hole section 45 opening on the side of a housing main body formed in a head frame 5 to be fixed to the housing main body, a bag body 47, to which an opening section 47a for supplying oil in a cylinder chamber during the movement of a movable machining tool communicates to the cylinder chamber, insertedly secured into the containing hole section 45 and having a collar section 65, which is projected outside and is pressure bonded with the head frame 5 and the housing main body (abutting face 67) for fixing the bag body 47.
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Inventors:
Yoshiyuki Kubo
Application Number:
JP24323197A
Publication Date:
January 19, 2005
Filing Date:
September 08, 1997
Export Citation:
Assignee:
Robtex Co., Ltd.
International Classes:
B23D29/00; B25F5/00; (IPC1-7): B23D29/00; B25F5/00
Domestic Patent References:
| JP9057655A | ||||
| JP3019621U | ||||
| JP9168915A | ||||
| JP5518568Y2 |
Attorney, Agent or Firm:
Noboru Fujimoto
Koji Ishida
Koji Ishida