Cylinder
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United States of America Patent
Stats
-
Mar 17, 2015
Grant Date -
Jan 10, 2013
app pub date -
Nov 22, 2011
filing date -
Jul 4, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A clamping cylinder is disclosed. The cylinder includes a cylinder block defining a receiving chamber and two vents communicating with the receiving chamber, the cylinder block further defining a through hole communicating with the receiving chamber at a side; a piston slidably mounted in the receiving chamber and defining a through groove corresponding to the through hole, the piston further comprising a resisting surface; and a pushrod assembly comprising a push block movably mounted in the through hole, and a resilient member mounted in the through groove, the resilient member is connected to the push block; wherein the resilient member is adapted to pull the push block towards the piston, and the resisting surface is configured to resist the push block so that the push block moves along the through hole when the piston slides along the receiving chamber.
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