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US 6,296,580 B1Granted
Adaptable playing fields with ventilated structures
AssigneeLaurent Hamet
InventorLaurent Hamet
Life of this patent
Estimating the term…
Abstract
Paint-ball playing fields are characterized by empty envelope elements fastened together creating a continuous interior volume filled with air, under a predetermined pressure of approximately 1.5 bars. A motor furnishes air to compensate for losses of pressure in the elements of the field.
Claims9
A paint-ball playing field, wherein empty envelope elements are fastened together, creating a continuous interior volume filled with air, under a predetermined pressure of approximately 1.5 bars, and means for compensating losses of said pressure.
The playing field, according to claim 1, further comprising:
- large shafts defining the limits of the playing field;
- small shafts designed to be perpendicularly fixed on to the large shafts on their obturable air supplying means;
- extensions designed to be perpendicularly fixed on to the small shafts on their obturable air supplying means;
- and
- obstacles designed to be fixed on to the ends of the extensions or directly on to the small shafts.
- 4.The playing field according to claim 3, wherein the elements have connection links between the large and small shafts, simple angle elements, and at least one motorized angle element.
3 more elements
Dependencies are inferred from the claim text.