Claims
- 1. A portable system for multiple educational activities for participants, comprising:
- a) a first plank having ends and a length;
- b) a second plank having ends;
- c) one of said ends of said first plank being positionable adjacent to one of said ends of said second plank, and said first plank being selectively adjustable in relation to said second plank to at least one of defining an angle between said first and second planks and abutting said one of said ends of said first plank to said one of said ends of said second plank;
- d) a third plank having ends and a length;
- e) a fourth plank having ends;
- f) said first and third planks having an integral slot along their length;
- g) said first, second, third and fourth planks being connected and defining an area;
- h) two connectors; and,
- i) one of said connectors being connected to one of said ends of said fourth plank and operably engaged with said integral slot of said first plank, the other of said connectors being connected to the other of said ends of said fourth plank and operably engaged with said integral slot of said third plank, thus enabling movement of said fourth plank relative to said second plank to increase or decrease said area.
- 2. A portable system as recited in claim 1, further comprising:
- a) a plurality of connectors disposed on said first plank, providing additional stability for said first plank.
- 3. A portable system as recited in claim 1, further comprising:
- a) a pivot joint joining one of said ends of said first plank to one of said ends of said second plank.
- 4. A portable system as recited in claim 3, further comprising:
- a) a safety device removably attached to one of said ends of said first plank and one of said ends of said second plank and opposite said pivot joint, for limiting said angle to a predetermined safe degree.
- 5. A portable system as recited in claim 1, further comprising:
- a) a platform disposed on said first, second, third and fourth planks and substantially covering said area.
- 6. A portable system as recited in claim 1, wherein:
- a) said length of said third plank is greater than said length of said first plank.
- 7. A portable system, as recited in claim 1, wherein:
- a) said first plank is aluminum.
- 8. A portable system, as recited in claim 1, wherein:
- a) said second plank has a length;
- b) said fourth plank has a length; and,
- c) said lengths of each of said first, second, third and fourth planks are unequal in dimension.
- 9. A portable system, as recited in claim 1, wherein:
- a) said area is generally square.
- 10. A portable system, as recited in claim 1, further comprising:
- a) a carrying handle disposed on said first plank.
- 11. A portable system, as recited in claim 1, further comprising:
- a) a fifth plank; and,
- b) said fifth plank disposed between said first and third planks, and between said second and fourth planks.
- 12. A portable system, as recited in claim 11, further comprising:
- a) a platform disposed on said first, second, third, fourth, and fifth planks.
- 13. A portable system, as recited in claim 12, further comprising:
- a) a non-skid strip disposed on said platform.
- 14. A portable system, as recited in claim 1, further comprising:
- a) a container removably disposed within said area.
- 15. A portable system as recited in claim 1, further comprising:
- a) an item removably disposed within said area;
- b) a first rope;
- c) a second rope; and,
- d) said first and second ropes positioned across said area and selectively engaging said item.
- 16. A method for using a portable system for multiple educational activities for participants, comprising:
- a) providing a first plank having ends, a length and an integral slot along said length;
- b) providing a second plank having ends;
- c) providing a third plank having ends, a length and an integral slot along said length;
- d) providing a fourth plank having ends;
- e) arranging said first, second, third and fourth planks to define an area;
- f) providing two connectors;
- g) connecting one of said connectors to one of said ends of said fourth plank and connecting another one of said connectors to the other of said ends of said fourth plank; and,
- h) engaging one of said connectors with said integral slot of said first plank and engaging one of said connectors with said integral slot of said third plank, enabling movement of said fourth plank relative to said second plank.
- 17. A method as recited in claim 16, wherein:
- a. said first plank is aluminum.
- 18. A method as recited in claim 16, further comprising:
- a) providing a plurality of connectors; and,
- b) removably attaching said connectors to said first plank for additional stability.
- 19. A method as recited in claim 16, further comprising:
- a) providing a pivot joint; and,
- b) attaching said pivot joint to one of said ends of said first plank and to one of said ends of said second plank.
- 20. A method as recited in claim 19, further comprising:
- a) providing a safety device;
- b) removably attaching said safety device to one of said ends of said first and second planks opposite said pivot joint.
- 21. A method as recited in claim 16, further comprising:
- a) providing a platform; and,
- b) disposing said platform on said first, second, third and fourth planks.
- 22. A method as recited in claim 16, wherein:
- a) said area defined in said arranging step is generally square.
- 23. An educational activity device comprising:
- a) a first plank having ends and integral slots;
- b) a second plank having ends and integral slots;
- c) a third plank having ends;
- d) a fourth plank having ends;
- e) said first, second, third and fourth planks being disposed adjacent each other defining an area;
- f) at least two connectors, one of said at least two connectors being attached to one of said ends of said third plank, another of said at least two connectors being attached to the other of said ends of said third plank; and,
- g) said at least two connectors engaging said integral slots of said first and second planks allowing said third plank to selectively move relative to said first, second and fourth planks.
- 24. An educational activity device, as recited in claim 23, wherein:
- a) said first plank has a length;
- b) said third plank has a length; and,
- c) said lengths of said first and third planks are unequal in dimension.
- 25. An educational activity device, as recited in claim 23, further comprising:
- a) a pivot joint, connecting one end of said first plank to one end of said fourth plank.
- 26. An educational activity device, as recited in claim 23, further comprising:
- a) a platform disposed on said first, second, third and fourth planks substantially covering said area.
- 27. A method of making multiple educational activities, comprising:
- a) providing a plurality of planks having ends;
- b) providing a splice plate;
- c) providing a hinge;
- d) selectively arranging one end of one of said plurality of planks adjacent to one end of another of said plurality of planks;
- e) selectively rearranging said plurality of planks arranged in the previous steps and removably attaching one end of one of said plurality of planks to one end of another of said plurality of planks with said splice plate;
- f) selectively rearranging said plurality of planks arranged in the previous steps and removably attaching said hinge to one end of one of said plurality of planks and to one end of another of said plurality of planks, for selectively adjusting a relative placement between said plurality of planks; and,
- g) selectively rearranging said plurality of planks arranged in the previous steps and arranging said plurality of planks to define an area.
- 28. A method, as recited in claim 27, further comprising:
- a) providing a platform; and,
- b) selectively disposing said platform on said plurality of planks.
- 29. A method, as recited in claim 27, wherein:
- a) at least one of said plurality of planks is lesser in a length dimension than other ones of said plurality of planks.
Parent Case Info
This application claims the benefit of U.S. Provisional No. 60/020,889 filed Jun. 28, 1996.
US Referenced Citations (24)