LOADING METHOD OF LARGE DISPLAY UNIT
PURPOSE:To make a large picture enlargeable to the extent of twice as long as the maximum limitation of height provided in the Road Transport Vehicles Act, by loading the large picture on a car in a way of dividing it into two part, upper and lower parts, while locking the lower part on the car and...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To make a large picture enlargeable to the extent of twice as long as the maximum limitation of height provided in the Road Transport Vehicles Act, by loading the large picture on a car in a way of dividing it into two part, upper and lower parts, while locking the lower part on the car and placing the upper part on the top of the locked lower part in time of picture displaying. CONSTITUTION:After a car is held in horizontality, an internal cylinder 20 of a lift cylinder is extended long to some extent, lifting an upper display part 5 upward, and the lower end of the display part 5 is made so as to cause it to become somewhat higher than the upper end of a lower display part 6. Next, only when an internal cylinder 23 of a tilt cylinder is contracted, an external cylinder 21 of a vertical cylinder is tilted to the right with a bearing 26 as a fulcrum point, and contraction motion of the internal cylinder 23 of the tilt cylinder stops at a position where the upper display part 6 reaches just above the lower display part 6. Under this condition, only when length of the internal cylinder 20 of the lift cylinder is contracted, the upper display part 5 is placed on the lower display part 6 while being positioned by V-type uneven metal devices 28 and 29 so that setup formation for a solidified picture as one body is thus completed. With this constitution, a large picture can be enlarged twice as long as the mandatory loading limitation. |
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