Series hydraulic circuit tailgate locking mechanism
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United States of America Patent
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-
May 28, 1996
Issued Date -
N/A
app pub date -
Nov 4, 1994
filing date -
Apr 27, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tailgate locking apparatus for a refuse container comprises first and second locking cylinders for locking the tailgate in the closed position. The first and second locking cylinders are movable between a tailgate locked position and a tailgate unlocked position. Each of the first and second locking cylinders comprises a piston assembly disposed within its interior volume. The piston assembly comprises a piston and a piston rod extending from the piston through a central opening in an upper portion of the cylinder. The piston divides the interior volume into a lower chamber and an upper chamber. The upper chamber of the first locking cylinder is fluidly connected to the lower chamber of the second locking cylinder.
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