Spooling device assembly for hydraulic cylinder and method of assembling same
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United States of America Patent
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-
Apr 27, 2004
Grant Date -
N/A
app pub date -
Sep 30, 2002
filing date -
Sep 30, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydraulic cylinder assembly includes an electrical sensing device for sensing the relative position of a hydraulic piston within the cylinder. The sensor assembly includes a spool which is connected to one end of a wire that extends outside the cylinder. The spool may be rotated to take up any slack in the wire. Also, the wire is connected to a header assembly in the wall of the cylinder. The header assembly includes an internal member to which the wire is connected that does not rotate with respect to the outer header member during the threading of the outer header member into the wall of the cylinder.
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