Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1994-01-18
1996-12-10
Fleming, Fritz
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
307119, 307 91, 361682, 312 72, 248917, A47B 8106
Patent
active
055837352
ABSTRACT:
A video monitor deployment/retraction apparatus includes a frame located in an aircraft overhead compartment and a monitor pivotally mounted on the frame for rotation between a stored and a deployed position. A spring biases the monitor to its stored position where is releasably retained by a locking mechanism. A solenoid and actuating arms selectively disable the locking mechanism to allow the monitor to be lowered to its deployed position and enable a latching mechanism when the monitor has reached its deployed position to retain the monitor in that position. The latching means is disabled when the monitor is bumped by a passenger while in the deployed position to allow the spring to return the monitor to the stored position.
REFERENCES:
patent: 4639106 (1987-01-01), Gradin
patent: 5096271 (1992-03-01), Portman
patent: 5145128 (1992-09-01), Umeda
patent: 5181771 (1993-01-01), Robak et al.
Pease Raymond J.
Rice Mark X.
Fleming Fritz
Hollingsead International Inc.
Jackson Harold L.
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