Title:
PNEUMATIC DISC BRAKE DEVICE FOR RAILROAD VEHICLE
Document Type and Number:
WIPO Patent Application WO/2010/131699
Kind Code:
A1
Abstract:
A pneumatic disc brake device for a railroad vehicle, capable of, even with the use of a brake cylinder having the same diameter as the brake cylinders in conventional devices, generating a braking force which is two times the braking force exerted by the conventional devices. The pneumatic disc brake device for a railroad vehicle is provided with first and second brake levers (1, 2), a pair of braking elements (4) each mounted to one end of each lever through a braking element head (5) so as to face a brake disc, and a brake cylinder (6) disposed between the other end of each of the first and second brake levers. The brake cylinder (6) is composed of a first cylinder (6a) and a second cylinder (6b) which are arranged in series.
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Inventors:
SATO YOSHI (JP)
Application Number:
PCT/JP2010/058088
Publication Date:
November 18, 2010
Filing Date:
May 13, 2010
Export Citation:
Assignee:
SUMITOMO METAL IND (JP)
SATO YOSHI (JP)
SATO YOSHI (JP)
International Classes:
B61H5/00; F16D55/224; F16D65/18
Foreign References:
| JPS4942382U | 1974-04-13 | |||
| JP2008296756A | 2008-12-11 | |||
| JPH0258129U | 1990-04-26 | |||
| JPH0211759U | 1990-01-25 | |||
| JP2008296756A | 2008-12-11 | |||
| US5813499A | 1998-09-29 |
Other References:
See also references of EP 2431251A4
Attorney, Agent or Firm:
HIROSE SHOICHI (JP)
Hirose Shoichi (JP)
Hirose Shoichi (JP)
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Claims: