Title:
HYDRAULIC ACTUATOR
Document Type and Number:
Japanese Patent JPH1177424
Kind Code:
A
Abstract:
To provide a hydraulic actuator that is easy in oil supply, oil replacement and bag attaching in manufacturing and can be manufactured with ease.
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:
KUBO YOSHIYUKI
Application Number:
JP24323197A
Publication Date:
March 23, 1999
Filing Date:
September 08, 1997
Export Citation:
Assignee:
ROBUTETSUKUSU KK
International Classes:
B23D29/00; B25F5/00; (IPC1-7): B23D29/00; B25F5/00
Attorney, Agent or Firm:
Noboru Fujimoto (2 outside)
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