1. An apparatus which attaches to a commercial truck, said commercial truck being composed of a tractor portion and a trailer portion attached by a fifth wheel plate, which said apparatus automatically detaches the tractor from the trailer in the event of a trailer induced weight shift rollover, allowing the tractor to remain upright and in tact, said apparatus comprising:
at least two weight-bearing supports equidistant from the fifth wheel plate located on said tractor, each of said weight-bearing supports containing a pneumatic quick release cylinder mounted inside a longitudinal axis of said weight-bearing supports, wherein said pneumatic quick release cylinder being activated through air that has been compressed and stored in an air tank, thereby creating an air flow supply;
at least one quick release pin that attach said weight-bearing supports to said fifth wheel plate;
at least two air flow supply lines connected to each of said pneumatic quick release cylinders;
an air actuator connected through an electrical means to said airflow supply lines and said weight-bearing supports;
at least two sensors connected through said electrical means to said air actuator, said sensors positioned on opposite sides of said tractor’s frame;
a tilt switch connected through said electrical means to said sensors and said air actuator located behind the cab of said tractor, said tilt switch sensing when said tractor is 15 degrees from the ground, said tilt switch activating said electrical means when 15 degrees from the ground has been sensed, said sensors then changing an air flow in said actuator from a forward push to a reverse push when said tilt switch measures a 30 degree angle between said tractor and the ground, thereby causing said pneumatic quick release cylinders and said quick release pins to release from said fifth wheel, thereby breaking apart said trailer from said tractor.
2. The apparatus of claim 1 wherein said airflow supply is derived from air that is compressed and stored in an air tank located in the engine area of said commercial truck that begins pushing air into air tanks once an engine is started and begins to build an air pressure in said air tanks.
3. The apparatus of claim 1 wherein said air actuator is a three-way normally closed air actuator.
4. The apparatus of claim 1 wherein said tilt switches are non-insulated.
5. The apparatus of claim 1 wherein said weight-bearing supports are about 20 inches long.
6. The apparatus of claim 1 wherein said weight-bearing supports are between about 3 and about 4 inches high.
7. The apparatus of claim 1 wherein said weight-bearing supports are between about 4 and about 5 inches wide.
8. A vehicle rollover prevention apparatus comprising:
a vehicle carrying a fifth-wheel, wherein said fifth wheel detachably connects a tractor and a trailer;
a plurality of weight-bearing supports attached to said fifth-wheel, each weight-bearing support being oppositely and outwardly positioned on said fifth-wheel;
a quick-release pin capable of having a portion inserted into said weight-bearing support, wherein each weight-bearing support is associated with at least one quick-release pin;
a quick-release cylinder associated with each quick-release pin, said quick release cylinder capable of being inserted within at least a portion of said quick-release pin, wherein said quick-release cylinder is responsive to an air flow in an airflow supply line;
a spring disposed around said quick-release cylinder;
an air tank storing air that has been compressed, said air tank providing a compressed air source in fluid communication with said quick-release cylinder and said airflow supply line, said compressed air source capable of providing pressurized air thereto thereby creating an air flow in said airflow supply line;
a directional air flow actuator positioned in-line with said air supply line; and
a tilt switch in communication with said directional air flow actuator, said tilt switch having a sensor capable of detecting when said vehicle is at an angle relative to the ground and capable of sending a signal to reverse the flow of air through said directional air flow actuator when said vehicle is at an angle relative to the ground.
9. The apparatus of claim 8, wherein said tilt switch is capable of detecting the angle of tilt of said trailer relative to the ground.
10. The apparatus of claim 8, wherein the tilt switch is activated when said angle is 15 degrees.
11. The apparatus of claim 8, wherein the tilt switch is activated when said angle is 30 degrees.
12. The apparatus of claim 8, wherein said weight-bearing supports are about 20 inches long, between about 3 and about 4 inches high, and between about 4 and about 5 inches wide.
13. The apparatus of claim 8, wherein said directional air flow actuator is a three-way normally closed directional air flow actuator.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A liquid crystal display device comprising:
a panel module having generally a rectangular shape having four sides and four corners; and
a housing which comprises a mold frame, a plurality of fixing piece and a plurality of fixing structures being adapted to fix the fixing pieces to the mold frame, wherein the mold frame is adapted to hold and receive the panel module, wherein each of the fixing pieces is located at a respective corner of the panel module and comprises a panel module fixing rib securely fitted onto the corner of the panel module, and a lateral fixing portion superimposed on lateral sides of the mold frame to be coupled to the mold frame so as to fix the panel module between the fixing pieces and the mold frame.
2. A liquid crystal display device according to claim 1, wherein each of the panel module fixing ribs superimposed on the panel module does not go beyond half way of a side of the panel module, whereas each of the lateral fixing portions superimposed on the mold frame does not go beyond halfway of a side of the mold frame.
3. A liquid crystal display device according to claim 1, wherein the panel module has generally a rectangular shape having four sides and four corners, the mold frame comprises at least three rims, the housing further comprises four fixing pieces located at the four corners of the panel module respectively, each of the panel module fixing ribs holds the two adjacent sides of the panel module while each of the lateral fixing portions retains the two adjacent rims of the mold frame concurrently.
4. A liquid crystal display device according to claim 1, wherein each of the fixing structures comprises a positioning pin located on the mold frame and a positioning hole located on the fixing piece to allow the positioning pin inserted therethrough.
5. A liquid crystal display device according to claim 4, wherein the poisoning pin has a height and the fixing piece has a thickness substantially equal to he height of the positioning pin, and wherein the positioning pin has a diameter and the positioning hole also has a diameter substantially equal to the diameter of the positioning pin.
6. A liquid crystal display device according to claim 1, wherein each of the fixing structures comprises a tab located on the fixing piece and a slot on the mold frame, of which the tab bends toward the mold frame and the slot has a shape corresponding to the tab for receiving the tab.
7. A liquid crystal display device according to claim 6, wherein the tab is located at an end edge of the lateral fixing portion and the slot located where a bottom and one of the lateral sides of the mold frame meets.
8. A liquid crystal display device according to claim 1, wherein the fixing structure comprises a groove and a mold frame fixing rib, of which the groove is defined by the lateral fixing portion, the panel module fixing rib and a mold frame fixing rib, whereby the mold frame is adapted to be received therein.
9. A liquid crystal display device according to claim 1, wherein each of the fixing structures comprises a bolt, an through hole formed on the fixing piece and a screw hole located on the mold frame, whereby the bolt is adapted to engage in the screw hole through the through hole.
10. A liquid crystal display device according to claim 9, wherein each of the fixing structures comprises a window extending from the lateral fixing portion and bending toward a bottom of the mold frame to define the through hole, the screw hole is located on the bottom of the mold frame corresponding to complying with the through hole of the window.
11. A liquid crystal display device according to claim 9, wherein the through hole is located on the lateral fixing portion of the fixing piece, and the screw hole is located on a lateral side of the mold frame.
12. A liquid crystal display device according to claim 1, wherein each of the fixing structures comprises a receiving hole and a slope located on the fixing piece, and a protrusion and a receiving part located on the mold frame, of which the receiving hole is adapted to receive the protrusion, and the receiving part allows the slope received therein.
13. A housing used in a liquid crystal display device, the liquid crystal display device comprising a panel module having generally a rectangular shape having four sides and four corners, wherein the housing comprises:
a mold frame being adapted to hold and receive the panel module;
a plurality of fixing pieces, wherein each of the fixing pieces is located at a respective corner of the panel module and comprises a panel module fixing rib securely fitted onto the corner of the panel module, and a lateral fixing portion superimposed on lateral sides of the mold frame to be coupled to the mold frame so as to fix the panel module between the fixing pieces and the mold frame; and
a plurality of fixing structures being adapted to fix the fixing piece to the mold frame.
14. A housing according to claim 13, wherein each of the panel module fixing ribs superimposed on the panel module does not go beyond half way of a side of the panel module, whereas each of the lateral fixing portions superimposed on the mold frame does not go beyond half way of a side of the mold frame.
15. A housing according to claim 13, wherein the panel module has generally a rectangular shape having four sides and four corners, the mold frame comprises at least three rims, the housing further comprises four fixing pieces located at the four corners of the panel module respectively, each of the panel module fixing ribs retains the two adjacent sides of the panel module concurrently while each of the lateral fixing portions retains the two adjacent rims of the mold frame concurrently.
16. A housing according to claim 13, wherein each of the fixing structures comprises a positioning pin located on the mold frame and a positioning hole located on the fixing piece to allow the positioning pin inserted therethrough.
17. A housing according to claim 13, wherein each of the fixing structures comprises a tab located on the fixing piece and a slot on the mold frame, of which the tab bends toward the mold frame and the slot has a shape corresponding to the tab for receiving the tab.
18. A housing according to claim 13, wherein the fixing structure comprises a groove and a mold frame fixing rib, of which the groove is defined by the lateral fixing portion, the panel module fixing rib and a mold frame fixing rib, whereby the mold frame is adapted to be received therein.
19. A housing according to claim 13, wherein each of the fixing structures comprises a bolt, an through hole formed on the fixing piece and a screw hole located on the mold frame, whereby the bolt is adapted to engage in the screw hole through the through hole.
20. A housing according to claim 13, wherein each of the fixing structures comprises a receiving hole and a slope located on the fixing piece, and a protrusion and a receiving part located on the mold frame, of which the receiving hole is adapted to receive the protrusion, and the receiving part allows the slope received therein.