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Title:
CYLINDER DEVICE WITH FORCE MULTIPLICATION MECHANISM
Document Type and Number:
WIPO Patent Application WO/2014/054503
Kind Code:
A1
Abstract:
A first piston (4), which is connected to an output rod (2) and inserted in a housing (3), is driven upward by a pressure fluid. As a result of the downward movement of a second piston (6) disposed above the first piston (4), a wedge-type force multiplication mechanism (M) disposed above the first piston (4) drives the output rod (2) with a multiplied force.

Inventors:
YOKOTA HIDEAKI (JP)
YONEZAWA KEITARO (JP)
Application Number:
PCT/JP2013/076120
Publication Date:
April 10, 2014
Filing Date:
September 26, 2013
Export Citation:
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Assignee:
KOSMEK LTD (JP)
International Classes:
F15B15/14; B23Q3/06
Foreign References:
JP2009255219A2009-11-05
JPH0642507A1994-02-15
JP2008116032A2008-05-22
JPH11166506A1999-06-22
JPH11173307A1999-06-29
JPS5430374A1979-03-06
JPH01171903U1989-12-06
JP2001025932A2001-01-30
JP4945681B12012-06-06
Other References:
See also references of EP 2905481A4
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Patent business corporation Hara [Kenzo] international patent firm (JP)
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