Video display positioning system
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United States of America Patent
Stats
-
May 7, 2002
Grant Date -
Nov 22, 2001
app pub date -
Jun 1, 2001
filing date -
Dec 4, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates a video monitor display positioning system of the type in widespread use in passenger-aircraft entertainment systems and includes a housing in which a video screen is rotatably positioned for rotation between a retracted position and an extended position, but with rotary motion provided through a hydraulic system that includes a mechanical linkage from the screen to a linear motion to rotational motion actuator subassembly which is in turn actuated by a hydraulic system that includes a cylinder, two mutually opposed, hollowed pistons, an internal spring positioned within the cavity formed by the hollow pistons, a hydraulic circuit including a hydraulic oil reservoir, an electric motor that controls a hydraulic pump, a solenoid valve and an over pressure switch.
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