Title:
DRUM BRAKE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/199237
Kind Code:
A1
Abstract:
A drum brake device (11) is provided with: a wheel cylinder (15) for spreading a pair of brake shoes (25, 27) disposed inside a brake drum (29) by pressing the adjacent ends on one side of the pair of brake shoes (25, 27) with the tip of a first piston (39) and the tip of a second piston (41) using hydraulic pressure; an extension mechanism (21) that is disposed inside the wheel cylinder and drives the first piston (39) and the second piston (41) in directions away from each other; and an electric actuator for rotating the extension mechanism (21).
Inventors:
ISHIKAWA HIROYASU (JP)
KATO HIROYUKI (JP)
AKADA HIRONORI (JP)
SUZUKI MICHIO (JP)
KATO HIROYUKI (JP)
AKADA HIRONORI (JP)
SUZUKI MICHIO (JP)
Application Number:
PCT/JP2015/068591
Publication Date:
December 30, 2015
Filing Date:
June 26, 2015
Export Citation:
Assignee:
AKEBONO BRAKE IND (JP)
International Classes:
F16D65/22; F16D51/22; F16D121/04; F16D121/24; F16D123/00; F16D125/06; F16D125/40; F16D125/52
Foreign References:
| JP2013053675A | 2013-03-21 | |||
| JP2001107999A | 2001-04-17 |
Other References:
See also references of EP 3163113A4
Attorney, Agent or Firm:
Eikoh Patent Firm, P. C. et al. (JP)
Patent business corporation glory patent firm (JP)
Patent business corporation glory patent firm (JP)
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