Single-way damping plunger cylinder and forklift comprising the same
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United States of America Patent
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Dec 25, 2018
Grant Date -
Aug 18, 2016
app pub date -
Apr 22, 2016
filing date -
Oct 24, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A single-way damping plunger cylinder includes a cylinder body (3), a piston rod (4), a piston (6) and a sleeve (2), the piston (6) dividing the cylinder body (3) into a first cylinder chamber (31) and a second cylinder chamber (32), a first end of the first oil passage (40) being communicated with the first cylinder chamber (31) via the second oil passage (41) and a second end of the first oil passage (40) being communicated with the second cylinder chamber (32), the valve (5) movably disposed in the second oil passage (41) to open or close a direct communication of the first and second oil passages (40,41); a damping oil passage (50) defined in the valve (5) to communicate the first oil passage (40) with the second oil passage (41). A forklift is also provided.
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