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Patent Searching and Data


Title:
DRUM BRAKE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/155655
Kind Code:
A1
Abstract:
This drum brake device (100) comprises: first and second brake shoes (17, 19) arranged in an expandable manner on a plane parallel to a backing plate (11), the shoes being arranged across the brake central axis from one another in a manner opposing the inner circumferential surface of a brake drum; and a pressing/expanding mechanism (35) including a lever (49) that actuates a pressing mechanism arranged between respective one ends of first and second webs (23, 25) and thereby expands the first and second brake shoes (17, 19). The drum brake device comprises a parking brake mechanism (33) in which a rotary base part (51) of the lever (49) is arranged near the first brake shoe (17) and a lever input part (53) is arranged near the second brake shoe (19).

Inventors:
YOSHIKAWA Kazuhiro (19-5, Nihonbashi Koami-cho, Chuo-k, Tokyo 34, 〒1038534, JP)
Application Number:
JP2018/006820
Publication Date:
August 30, 2018
Filing Date:
February 23, 2018
Export Citation:
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Assignee:
AKEBONO BRAKE INDUSTRY CO., LTD. (19-5, Nihonbashi Koami-cho Chuo-k, Tokyo 34, 〒1038534, JP)
International Classes:
F16D51/22; B60T13/74; F16D65/22; F16D65/56; F16D121/24; F16D125/64; F16D125/68
Foreign References:
JP2013124696A2013-06-24
JP2015152126A2015-08-24
JP2002242965A2002-08-28
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (Toranomon East Bldg. 10F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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