| 摘要 |
A flingable, disk-like, flying toy (10) having a series of preferably bendable, radially inwardly directed vanes (13) extending out of the plane (11) of the disk, which can cause the toy to spiral and/or return to the user like a boomerang. The throwing disc has an open center (12), in which there is included about and in the inner, circular periphery the series of generally triangular, radially and inwardly arrayed, upwardly protruding fins or generally triangularly-shaped vanes or upwardly bent cut-outs (13) extending into the circular opening, which cause the disc to alter the normal path of a classic "Frisbee" type design, for example, causing the disc to spiral or to tend to return to the thrower. The vanes can be bent further inwardly or outwardly, i.e., up and down, about fold lines (14) to significantly vary the aerodynamic characteristics of the flying disc toy.
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