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:
Apr. 30, 2024

Filed:

Aug. 24, 2022
Applicant:

T-max (Hangzhou) Technology Co., Ltd., Zhejiang, CN;

Inventors:

Hangfei Yu, Zhejiang, CN;

Shipei Yao, Zhejiang, CN;

Senbiao Ge, Zhejiang, CN;

Haojia Chen, Zhejiang, CN;

Haibin Chen, Zhejiang, CN;

Xuebo Hu, Zhejiang, CN;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66D 5/06 (2006.01);
U.S. Cl.
CPC ...
B66D 5/06 (2013.01);
Abstract

A brake device and a winch having the same are provided. The brake device includes a brake sleeve, a torsion spring, a sealing member and a braking assembly. The torsion spring is fitted over the braking assembly, and the brake sleeve is fitted over the torsion spring. The braking assembly is configured to drive the torsion spring to move between an expanded position and a retracted position, so as to lock and release the brake sleeve. The sealing member is arranged between the brake sleeve and the braking assembly, so that a sealing cavity is defined between the brake sleeve and the braking assembly.


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