The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 09, 2024

Filed:

Mar. 15, 2022
Applicant:

Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;

Inventors:

Katsuya Haruta, Shizuoka, JP;

Kazuki Watanabe, Shizuoka, JP;

Norihisa Kobayashi, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T 17/04 (2006.01); B60T 11/22 (2006.01); B62L 3/04 (2006.01);
U.S. Cl.
CPC ...
B62L 3/04 (2013.01); B60T 11/22 (2013.01); B60T 17/04 (2013.01);
Abstract

A master cylinder for a brake. The master cylinder includes a cylinder main body having a hydraulic pressure chamber, a reservoir tank having a storage chamber, and a separator that is provided in the reservoir tank to divide a space in the storage chamber of the reservoir tank into an upper region and a lower region. A hydraulic fluid is storable in the hydraulic pressure chamber, and is storable in the storage chamber for thereby replenishing the hydraulic pressure chamber. The hydraulic fluid is circulatable between the upper region and the lower region, such that a liquid surface of the hydraulic fluid is in the upper region. The separator has a lower surface in the lower region. The lower surface has an inner portion, and an inclined portion that surrounds the inner portion and that is inclined outwardly and upwardly with respect to the inner portion.


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Haruta, Katsuya. (2024). Brake master cylinder and straddled vehicle including same (U.S. Patent No. 12030585). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12030585

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