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Patent Searching and Data


Title:
BOOSTER
Document Type and Number:
Japanese Patent JP3508125
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To downsize a device by mounting a hydraulic cylinder in an air cylinder, sharing a piston rod between the hydraulic cylinder and the air cylinder, and utilizing a space of a piston rod side of the air cylinder as a tank for a hydraulic cylinder operating oil.
SOLUTION: A tube 1 of an air cylinder and a tube 2 of a hydraulic cylinder are disposed. The hydraulic cylinder is built in the air cylinder. A piston rod 5 is shared between the air cylinder and the hydraulic cylinder. A piston 3 of the air cylinder and a piston 4 of the hydraulic cylinder are attached to both ends of the piston rod 5. A space of the piston rod of the air cylinder is filled with cylinder oil to an oil level 11.


Inventors:
Toyabe, Yuichi
Hirano, Takekazu
Hatayama, Hideo
Tanaka, Mikito
Horiuchi, Makoto
Application Number:
JP1999000086516
Publication Date:
March 22, 2004
Filing Date:
March 29, 1999
Export Citation:
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Assignee:
NIPPON PAPER INDUSTRIES CO LTD
International Classes:
F15B3/00; (IPC1-7): F15B3/00
Attorney, Agent or Firm:
河澄 和夫