Boomerang

Details Boomerang Boomerang

1982-04-13

1983-12-20

Shapiro, Paul E.

Amusement devices: games

Problem eliciting response

273426, A63B 6508

Patent

active

044213204

ABSTRACT:
The disclosure is directed to a multi-arm boomerang with a structural configuration with permits simple modification of operational flight characteristics. The boomerang comprises a plurality of airfoil-shaped arms spaced about a central axis with an airfoil-shaped control device, preferably in the form of a ring, interconnecting the arms. By altering the cross sectional shape of the control device means, the flight characteristics of the boomerang may be modified. Furthermore, by constructing the disclosed boomerang of a resilient material there is created an entertainment device with safety features far in advance of those heretofore known.

REFERENCES:
patent: 692608 (1902-02-01), Bristow
patent: 2324022 (1943-07-01), Prause, Jr.
patent: 3036832 (1962-05-01), Ellman et al.
patent: 3082572 (1963-03-01), Knox, Jr.
patent: 3565434 (1971-02-01), Liston
patent: 3742643 (1973-07-01), Keith
patent: 3955817 (1976-05-01), Davis
patent: 4045029 (1977-08-01), Katzmark
patent: 4203249 (1980-05-01), Bohm
patent: 4222573 (1980-09-01), Adler

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