Nested automatically separable flying disk assembly
US5480334A · kind A · utility
Inventors
Key dates
| Filing date | Apr 22, 1994 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Apr 22, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H33/18
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The nested automatically separable flying disk assembly includes an outer or cover disk assembly enclosing a nested or inner disk assembly. The outer or cover disk assembly is of a generally cylinderical disk shape having an air space between itself and the nested or inner disk assembly provided by a central nub projection cooperating with flange nub projections. The nested or inner disk assembly is provided with an outer peripheral flange section extended downwardly and below a similar peripheral rim section on the outer or cover disk assembly for allowing air to flow therebetween to cause the desired separation between the nested disk assemblies. An adjustable central nub projection is provided to adjustably change separation between the outer or cover disk assembly and the nested or inner disk assembly. The nested or inner disk assembly is provided with a plurality of inclined concentric aerodynamic ridges to alter air flow and resultant turbulence of air flow between the nested disk assemblies to vary the aerodynamic flight characteristics thereof. Second and third embodiments provide different angular relationships, either inwardly or outwardly, of the outer adjacent periphera…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.