Forklift, hydraulic cylinder assembly and hydraulic device thereof
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United States of America Patent
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Apr 9, 2019
Grant Date -
Aug 25, 2016
app pub date -
May 4, 2016
filing date -
Nov 29, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A forklift, a hydraulic cylinder assembly (100) and a hydraulic device thereof are provided. The hydraulic cylinder assembly (100) includes a cylinder (1) having first, second oil inlets (151, 152) and first, second oil outlets (153, 154) therein; a cylinder liner (2) disposed within the cylinder (1) and being moveable between first and second positions, and defining a first oil port (21) and a second oil port (22) therein; a piston (31) disposed within the cylinder liner (2) and being moveable between a third position and a fourth position; a first oil chamber (41) and a second oil chamber (42) are defined by the cylinder (1), the cylinder liner (2) and the piston (31), the first oil chamber (41) is communicated with the first oil port (21), and the second oil chamber (42) is communicated with the second oil port (22).
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