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Patent Searching and Data


Title:
DISC BRAKE
Document Type and Number:
WIPO Patent Application WO/2018/003191
Kind Code:
A1
Abstract:
Provided is a disc brake that is made more compact and that improves a pedal feeling when operating a parking brake. This parking brake mechanism comprises an input member to which the rotation from an electric motor is transmitted, a cover member that is joined to the input member on one end side in the axial direction, a shaft member that is threadedly fitted with a ball and ramp mechanism, and a pressing member that is threadedly fitted to the shaft member. The ball and ramp mechanism comprises a rotary/linear ramp with which the cover member engages, and a support ramp that is threadedly fitted to the shaft member. A biasing member biases the rotary/linear ramp toward the input member.

Inventors:
SAKASHITA, Takayasu (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
Application Number:
JP2017/010135
Publication Date:
January 04, 2018
Filing Date:
March 14, 2017
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
International Classes:
F16D65/18; B60T13/74; F16H25/20; F16H25/24; F16D121/24; F16D125/36; F16D125/40
Foreign References:
JP2008207679A2008-09-11
US3991859A1976-11-16
JP2016125550A2016-07-11
Attorney, Agent or Firm:
ONO, Shinjiro et al. (YUASA AND HARA, Section 206 New Ohtemachi Bldg., 2-1, Ohtemachi 2-chome, Chiyoda-k, Tokyo 04, 〒1000004, JP)
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