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. 09, 2019

Filed:

May. 04, 2016
Applicant:

Byd Company Limited, Shenzhen, Guangdong, CN;

Inventors:

Lei Zhou, Guangdong, CN;

Qiang Guo, Guangdong, CN;

Assignee:

BYD Company Limited, Shenzhen, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 17/02 (2006.01); F15B 15/14 (2006.01); F15B 11/15 (2006.01); B66F 9/22 (2006.01);
U.S. Cl.
CPC ...
F15B 15/149 (2013.01); B66F 9/22 (2013.01); F15B 11/15 (2013.01); F15B 2211/7725 (2013.01);
Abstract

A forklift, a hydraulic cylinder assembly () and a hydraulic device thereof are provided. The hydraulic cylinder assembly () includes a cylinder () having first, second oil inlets () and first, second oil outlets () therein; a cylinder liner () disposed within the cylinder () and being moveable between first and second positions, and defining a first oil port () and a second oil port () therein; a piston () disposed within the cylinder liner () and being moveable between a third position and a fourth position; a first oil chamber () and a second oil chamber () are defined by the cylinder (), the cylinder liner () and the piston (), the first oil chamber () is communicated with the first oil port (), and the second oil chamber () is communicated with the second oil port ().


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