Title:
ELECTRIC BRAKE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/122739
Kind Code:
A1
Abstract:
Provided is an electric brake system with which a fading phenomenon is less likely to occur even when a large braking force is generated, and wear of a brake pad is less likely to progress. An electric brake system according to the present invention has: first and second piston members (26a, 26b) that are provided parallel to each other so as to press the back surface of an inner-side brake pad (7) at two points; a caliper body (6) that has first and second piston accommodation holes (25a, 25b) for accommodating the first and second piston members (26a, 26b), respectively; first and second rotating shafts (32a, 32b) that are disposed on the center lines of the first and second piston accommodation holes (25a, 25b); first and second linear motion mechanisms (33a, 33b) that convert rotations of the first and second rotating shafts (32a, 32b) into linear motions of the first and second piston members (26a, 26b); and an electric motor (30) that rotationally drives the first and second rotating shafts (32a, 32b).
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Inventors:
YAMASAKI TATSUYA (JP)
EGUCHI MASAAKI (JP)
MURAMATSU MAKOTO (JP)
EGUCHI MASAAKI (JP)
MURAMATSU MAKOTO (JP)
Application Number:
PCT/JP2017/000863
Publication Date:
July 20, 2017
Filing Date:
January 12, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
B60T13/74; F16D55/22; F16D55/225; F16D65/18; F16H1/06; F16H1/20; F16D121/24; F16D125/40; F16D125/48; F16D125/50
Foreign References:
| JP2008516169A | 2008-05-15 | |||
| JP2015010635A | 2015-01-19 |
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
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