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Title:
BOOSTER
Document Type and Number:
Japanese Patent JP3666529
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To miniaturize an axial dimension in a booster.
SOLUTION: This booster amplifies operating physical force by a pressure receiving area ratio, and is equipped with a cylindrical cylinder case 1 having a single diametral cylinder chamber (a) in its inner circumference, a small diametral plunger 3 which is fitted to be axially advanced and retreated in the inner circumferential cylinder chamber (a) of the cylinder case 1 and a bottomed cylindrical large diametral plunger 5 which is fitted to be axially advanced and retreated around the periphery of the cylinder case 1, and fluid is filled to come in/out into the inner circumferential cylinder chamber (a) and a large cylinder chamber (b) formed between the end surface of the cylinder case 1 and the large diametral plunger 5.


Inventors:
Yamashita Ryujo
Application Number:
JP1996000306288
Publication Date:
June 29, 2005
Filing Date:
November 18, 1996
Export Citation:
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Assignee:
Koyo Seiko Co., Ltd.
International Classes:
B66F3/26; B66F19/00; F15B3/00; (IPC1-7): F15B3/00; B66F3/26; B66F19/00
Domestic Patent References:
JP53113973A
Attorney, Agent or Firm:
Kazuhide Okada



 
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